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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-28 23:27:48 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-28 23:27:48 -0400
commit9f2fa466383ce100b90fe52cb4489d7a26bf72a9 (patch)
tree7b72b1fae85137435d5b98f4614df2195f612acc /drivers
parent607f31e80b6f982d7c0dd7a5045377fc368fe507 (diff)
parent0a6047eef1c465c38aacfbdab193161b3f0cd144 (diff)
downloadblackbird-op-linux-9f2fa466383ce100b90fe52cb4489d7a26bf72a9.tar.gz
blackbird-op-linux-9f2fa466383ce100b90fe52cb4489d7a26bf72a9.zip
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/loop.c4
-rw-r--r--drivers/block/rd.c2
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c7
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c67
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c18
-rw-r--r--drivers/char/istallion.c1819
-rw-r--r--drivers/char/mxser.c1
-rw-r--r--drivers/char/n_tty.c6
-rw-r--r--drivers/char/pty.c2
-rw-r--r--drivers/char/stallion.c3
-rw-r--r--drivers/char/tty_io.c68
-rw-r--r--drivers/char/watchdog/at91_wdt.c82
-rw-r--r--drivers/char/watchdog/i8xx_tco.c28
-rw-r--r--drivers/char/watchdog/pcwd_pci.c30
-rw-r--r--drivers/char/watchdog/pcwd_usb.c23
-rw-r--r--drivers/ide/ide-io.c2
-rw-r--r--drivers/ide/ide-iops.c4
-rw-r--r--drivers/ide/pci/aec62xx.c16
-rw-r--r--drivers/ide/pci/cmd64x.c15
-rw-r--r--drivers/ide/pci/pdc202xx_new.c2
-rw-r--r--drivers/ide/pci/pdc202xx_old.c115
-rw-r--r--drivers/ide/pci/sc1200.c4
-rw-r--r--drivers/ide/pci/serverworks.c53
-rw-r--r--drivers/ide/pci/siimage.c62
-rw-r--r--drivers/ide/pci/sl82c105.c4
-rw-r--r--drivers/ide/pci/slc90e66.c11
-rw-r--r--drivers/input/joystick/db9.c2
-rw-r--r--drivers/input/keyboard/atkbd.c2
-rw-r--r--drivers/input/misc/wistron_btns.c19
-rw-r--r--drivers/rtc/Kconfig10
-rw-r--r--drivers/rtc/Makefile1
-rw-r--r--drivers/rtc/rtc-rs5c348.c246
-rw-r--r--drivers/serial/68328serial.c102
-rw-r--r--drivers/serial/crisv10.c6
-rw-r--r--drivers/serial/jsm/jsm_tty.c7
-rw-r--r--drivers/spi/spi.c1
-rw-r--r--drivers/usb/serial/ir-usb.c3
-rw-r--r--drivers/video/aty/radeon_backlight.c6
38 files changed, 1247 insertions, 1606 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 3c74ea729fc7..18dd026f470d 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -210,7 +210,7 @@ static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
{
struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */
struct address_space *mapping = file->f_mapping;
- struct address_space_operations *aops = mapping->a_ops;
+ const struct address_space_operations *aops = mapping->a_ops;
pgoff_t index;
unsigned offset, bv_offs;
int len, ret;
@@ -784,7 +784,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
error = -EINVAL;
if (S_ISREG(inode->i_mode) || S_ISBLK(inode->i_mode)) {
- struct address_space_operations *aops = mapping->a_ops;
+ const struct address_space_operations *aops = mapping->a_ops;
/*
* If we can't read - sorry. If we only can't write - well,
* it's going to be read-only.
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 940bfd7951e5..0378da04cfa2 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -191,7 +191,7 @@ static int ramdisk_set_page_dirty(struct page *page)
return 0;
}
-static struct address_space_operations ramdisk_aops = {
+static const struct address_space_operations ramdisk_aops = {
.readpage = ramdisk_readpage,
.prepare_write = ramdisk_prepare_write,
.commit_write = ramdisk_commit_write,
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 83ed6ae466a5..ad26f4b997c5 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3738,11 +3738,8 @@ static int ipmi_init_msghandler(void)
proc_ipmi_root->owner = THIS_MODULE;
#endif /* CONFIG_PROC_FS */
- init_timer(&ipmi_timer);
- ipmi_timer.data = 0;
- ipmi_timer.function = ipmi_timeout;
- ipmi_timer.expires = jiffies + IPMI_TIMEOUT_JIFFIES;
- add_timer(&ipmi_timer);
+ setup_timer(&ipmi_timer, ipmi_timeout, 0);
+ mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES);
atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 101c14b9b26d..bd4f2248b758 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -55,23 +55,6 @@
#include <linux/mutex.h>
#include <linux/kthread.h>
#include <asm/irq.h>
-#ifdef CONFIG_HIGH_RES_TIMERS
-#include <linux/hrtime.h>
-# if defined(schedule_next_int)
-/* Old high-res timer code, do translations. */
-# define get_arch_cycles(a) quick_update_jiffies_sub(a)
-# define arch_cycles_per_jiffy cycles_per_jiffies
-# endif
-static inline void add_usec_to_timer(struct timer_list *t, long v)
-{
- t->arch_cycle_expires += nsec_to_arch_cycle(v * 1000);
- while (t->arch_cycle_expires >= arch_cycles_per_jiffy)
- {
- t->expires++;
- t->arch_cycle_expires -= arch_cycles_per_jiffy;
- }
-}
-#endif
#include <linux/interrupt.h>
#include <linux/rcupdate.h>
#include <linux/ipmi_smi.h>
@@ -243,8 +226,6 @@ static int register_xaction_notifier(struct notifier_block * nb)
return atomic_notifier_chain_register(&xaction_notifier_list, nb);
}
-static void si_restart_short_timer(struct smi_info *smi_info);
-
static void deliver_recv_msg(struct smi_info *smi_info,
struct ipmi_smi_msg *msg)
{
@@ -768,7 +749,6 @@ static void sender(void *send_info,
&& (smi_info->curr_msg == NULL))
{
start_next_msg(smi_info);
- si_restart_short_timer(smi_info);
}
spin_unlock_irqrestore(&(smi_info->si_lock), flags);
}
@@ -833,37 +813,6 @@ static void request_events(void *send_info)
static int initialized = 0;
-/* Must be called with interrupts off and with the si_lock held. */
-static void si_restart_short_timer(struct smi_info *smi_info)
-{
-#if defined(CONFIG_HIGH_RES_TIMERS)
- unsigned long flags;
- unsigned long jiffies_now;
- unsigned long seq;
-
- if (del_timer(&(smi_info->si_timer))) {
- /* If we don't delete the timer, then it will go off
- immediately, anyway. So we only process if we
- actually delete the timer. */
-
- do {
- seq = read_seqbegin_irqsave(&xtime_lock, flags);
- jiffies_now = jiffies;
- smi_info->si_timer.expires = jiffies_now;
- smi_info->si_timer.arch_cycle_expires
- = get_arch_cycles(jiffies_now);
- } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
-
- add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC);
-
- add_timer(&(smi_info->si_timer));
- spin_lock_irqsave(&smi_info->count_lock, flags);
- smi_info->timeout_restarts++;
- spin_unlock_irqrestore(&smi_info->count_lock, flags);
- }
-#endif
-}
-
static void smi_timeout(unsigned long data)
{
struct smi_info *smi_info = (struct smi_info *) data;
@@ -904,31 +853,15 @@ static void smi_timeout(unsigned long data)
/* If the state machine asks for a short delay, then shorten
the timer timeout. */
if (smi_result == SI_SM_CALL_WITH_DELAY) {
-#if defined(CONFIG_HIGH_RES_TIMERS)
- unsigned long seq;
-#endif
spin_lock_irqsave(&smi_info->count_lock, flags);
smi_info->short_timeouts++;
spin_unlock_irqrestore(&smi_info->count_lock, flags);
-#if defined(CONFIG_HIGH_RES_TIMERS)
- do {
- seq = read_seqbegin_irqsave(&xtime_lock, flags);
- smi_info->si_timer.expires = jiffies;
- smi_info->si_timer.arch_cycle_expires
- = get_arch_cycles(smi_info->si_timer.expires);
- } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
- add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC);
-#else
smi_info->si_timer.expires = jiffies + 1;
-#endif
} else {
spin_lock_irqsave(&smi_info->count_lock, flags);
smi_info->long_timeouts++;
spin_unlock_irqrestore(&smi_info->count_lock, flags);
smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
-#if defined(CONFIG_HIGH_RES_TIMERS)
- smi_info->si_timer.arch_cycle_expires = 0;
-#endif
}
do_add_timer:
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index 8f8867170973..1a0a19c53605 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -949,9 +949,10 @@ static int wdog_reboot_handler(struct notifier_block *this,
/* Disable the WDT if we are shutting down. */
ipmi_watchdog_state = WDOG_TIMEOUT_NONE;
panic_halt_ipmi_set_timeout();
- } else {
+ } else if (ipmi_watchdog_state != WDOG_TIMEOUT_NONE) {
/* Set a long timer to let the reboot happens, but
- reboot if it hangs. */
+ reboot if it hangs, but only if the watchdog
+ timer was already running. */
timeout = 120;
pretimeout = 0;
ipmi_watchdog_state = WDOG_TIMEOUT_RESET;
@@ -973,16 +974,17 @@ static int wdog_panic_handler(struct notifier_block *this,
{
static int panic_event_handled = 0;
- /* On a panic, if we have a panic timeout, make sure that the thing
- reboots, even if it hangs during that panic. */
- if (watchdog_user && !panic_event_handled) {
- /* Make sure the panic doesn't hang, and make sure we
- do this only once. */
+ /* On a panic, if we have a panic timeout, make sure to extend
+ the watchdog timer to a reasonable value to complete the
+ panic, if the watchdog timer is running. Plus the
+ pretimeout is meaningless at panic time. */
+ if (watchdog_user && !panic_event_handled &&
+ ipmi_watchdog_state != WDOG_TIMEOUT_NONE) {
+ /* Make sure we do this only once. */
panic_event_handled = 1;
timeout = 255;
pretimeout = 0;
- ipmi_watchdog_state = WDOG_TIMEOUT_RESET;
panic_halt_ipmi_set_timeout();
}
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index ef20c1fc9c4c..216c79256de3 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -42,13 +42,12 @@
#include <linux/devfs_fs_kernel.h>
#include <linux/device.h>
#include <linux/wait.h>
+#include <linux/eisa.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#ifdef CONFIG_PCI
#include <linux/pci.h>
-#endif
/*****************************************************************************/
@@ -137,6 +136,10 @@ static stlconf_t stli_brdconf[] = {
static int stli_nrbrds = ARRAY_SIZE(stli_brdconf);
+/* stli_lock must NOT be taken holding brd_lock */
+static spinlock_t stli_lock; /* TTY logic lock */
+static spinlock_t brd_lock; /* Board logic lock */
+
/*
* There is some experimental EISA board detection code in this driver.
* By default it is disabled, but for those that want to try it out,
@@ -173,14 +176,6 @@ static char *stli_serialname = "ttyE";
static struct tty_driver *stli_serial;
-/*
- * We will need to allocate a temporary write buffer for chars that
- * come direct from user space. The problem is that a copy from user
- * space might cause a page fault (typically on a system that is
- * swapping!). All ports will share one buffer - since if the system
- * is already swapping a shared buffer won't make things any worse.
- */
-static char *stli_tmpwritebuf;
#define STLI_TXBUFSIZE 4096
@@ -419,7 +414,7 @@ static int stli_eisamempsize = ARRAY_SIZE(stli_eisamemprobeaddrs);
#endif
static struct pci_device_id istallion_pci_tbl[] = {
- { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECRA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECRA), },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, istallion_pci_tbl);
@@ -682,7 +677,7 @@ static int stli_startbrd(stlibrd_t *brdp);
static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp);
static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp);
static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg);
-static void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
+static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp);
static void stli_poll(unsigned long arg);
static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
static int stli_initopen(stlibrd_t *brdp, stliport_t *portp);
@@ -693,7 +688,8 @@ static void stli_dohangup(void *arg);
static int stli_setport(stliport_t *portp);
static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
-static void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp);
+static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
+static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp);
static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp);
static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
static long stli_mktiocm(unsigned long sigvalue);
@@ -799,18 +795,8 @@ static struct class *istallion_class;
static int __init istallion_module_init(void)
{
- unsigned long flags;
-
-#ifdef DEBUG
- printk("init_module()\n");
-#endif
-
- save_flags(flags);
- cli();
stli_init();
- restore_flags(flags);
-
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -819,33 +805,24 @@ static void __exit istallion_module_exit(void)
{
stlibrd_t *brdp;
stliport_t *portp;
- unsigned long flags;
int i, j;
-#ifdef DEBUG
- printk("cleanup_module()\n");
-#endif
-
printk(KERN_INFO "Unloading %s: version %s\n", stli_drvtitle,
stli_drvversion);
- save_flags(flags);
- cli();
-
-/*
- * Free up all allocated resources used by the ports. This includes
- * memory and interrupts.
- */
+ /*
+ * Free up all allocated resources used by the ports. This includes
+ * memory and interrupts.
+ */
if (stli_timeron) {
stli_timeron = 0;
- del_timer(&stli_timerlist);
+ del_timer_sync(&stli_timerlist);
}
i = tty_unregister_driver(stli_serial);
if (i) {
printk("STALLION: failed to un-register tty driver, "
"errno=%d\n", -i);
- restore_flags(flags);
return;
}
put_tty_driver(stli_serial);
@@ -859,16 +836,15 @@ static void __exit istallion_module_exit(void)
printk("STALLION: failed to un-register serial memory device, "
"errno=%d\n", -i);
- kfree(stli_tmpwritebuf);
kfree(stli_txcookbuf);
for (i = 0; (i < stli_nrbrds); i++) {
- if ((brdp = stli_brds[i]) == (stlibrd_t *) NULL)
+ if ((brdp = stli_brds[i]) == NULL)
continue;
for (j = 0; (j < STL_MAXPORTS); j++) {
portp = brdp->ports[j];
- if (portp != (stliport_t *) NULL) {
- if (portp->tty != (struct tty_struct *) NULL)
+ if (portp != NULL) {
+ if (portp->tty != NULL)
tty_hangup(portp->tty);
kfree(portp);
}
@@ -878,10 +854,8 @@ static void __exit istallion_module_exit(void)
if (brdp->iosize > 0)
release_region(brdp->iobase, brdp->iosize);
kfree(brdp);
- stli_brds[i] = (stlibrd_t *) NULL;
+ stli_brds[i] = NULL;
}
-
- restore_flags(flags);
}
module_init(istallion_module_init);
@@ -895,19 +869,15 @@ module_exit(istallion_module_exit);
static void stli_argbrds(void)
{
- stlconf_t conf;
- stlibrd_t *brdp;
- int i;
-
-#ifdef DEBUG
- printk("stli_argbrds()\n");
-#endif
+ stlconf_t conf;
+ stlibrd_t *brdp;
+ int i;
for (i = stli_nrbrds; i < ARRAY_SIZE(stli_brdsp); i++) {
memset(&conf, 0, sizeof(conf));
if (stli_parsebrd(&conf, stli_brdsp[i]) == 0)
continue;
- if ((brdp = stli_allocbrd()) == (stlibrd_t *) NULL)
+ if ((brdp = stli_allocbrd()) == NULL)
continue;
stli_nrbrds = i + 1;
brdp->brdnr = i;
@@ -926,9 +896,9 @@ static void stli_argbrds(void)
static unsigned long stli_atol(char *str)
{
- unsigned long val;
- int base, c;
- char *sp;
+ unsigned long val;
+ int base, c;
+ char *sp;
val = 0;
sp = str;
@@ -962,15 +932,11 @@ static unsigned long stli_atol(char *str)
static int stli_parsebrd(stlconf_t *confp, char **argp)
{
- char *sp;
- int i;
-
-#ifdef DEBUG
- printk("stli_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp);
-#endif
+ char *sp;
+ int i;
- if ((argp[0] == (char *) NULL) || (*argp[0] == 0))
- return(0);
+ if (argp[0] == NULL || *argp[0] == 0)
+ return 0;
for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++)
*sp = TOLOWER(*sp);
@@ -985,9 +951,9 @@ static int stli_parsebrd(stlconf_t *confp, char **argp)
}
confp->brdtype = stli_brdstr[i].type;
- if ((argp[1] != (char *) NULL) && (*argp[1] != 0))
+ if (argp[1] != NULL && *argp[1] != 0)
confp->ioaddr1 = stli_atol(argp[1]);
- if ((argp[2] != (char *) NULL) && (*argp[2] != 0))
+ if (argp[2] != NULL && *argp[2] != 0)
confp->memaddr = stli_atol(argp[2]);
return(1);
}
@@ -998,34 +964,29 @@ static int stli_parsebrd(stlconf_t *confp, char **argp)
static int stli_open(struct tty_struct *tty, struct file *filp)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- unsigned int minordev;
- int brdnr, portnr, rc;
-
-#ifdef DEBUG
- printk("stli_open(tty=%x,filp=%x): device=%s\n", (int) tty,
- (int) filp, tty->name);
-#endif
+ stlibrd_t *brdp;
+ stliport_t *portp;
+ unsigned int minordev;
+ int brdnr, portnr, rc;
minordev = tty->index;
brdnr = MINOR2BRD(minordev);
if (brdnr >= stli_nrbrds)
- return(-ENODEV);
+ return -ENODEV;
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (brdp == NULL)
+ return -ENODEV;
if ((brdp->state & BST_STARTED) == 0)
- return(-ENODEV);
+ return -ENODEV;
portnr = MINOR2PORT(minordev);
if ((portnr < 0) || (portnr > brdp->nrports))
- return(-ENODEV);
+ return -ENODEV;
portp = brdp->ports[portnr];
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
+ if (portp == NULL)
+ return -ENODEV;
if (portp->devnr < 1)
- return(-ENODEV);
+ return -ENODEV;
/*
@@ -1037,8 +998,8 @@ static int stli_open(struct tty_struct *tty, struct file *filp)
if (portp->flags & ASYNC_CLOSING) {
interruptible_sleep_on(&portp->close_wait);
if (portp->flags & ASYNC_HUP_NOTIFY)
- return(-EAGAIN);
- return(-ERESTARTSYS);
+ return -EAGAIN;
+ return -ERESTARTSYS;
}
/*
@@ -1054,7 +1015,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp)
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_INITIALIZING, &portp->state));
if (signal_pending(current))
- return(-ERESTARTSYS);
+ return -ERESTARTSYS;
if ((portp->flags & ASYNC_INITIALIZED) == 0) {
set_bit(ST_INITIALIZING, &portp->state);
@@ -1065,7 +1026,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp)
clear_bit(ST_INITIALIZING, &portp->state);
wake_up_interruptible(&portp->raw_wait);
if (rc < 0)
- return(rc);
+ return rc;
}
/*
@@ -1077,8 +1038,8 @@ static int stli_open(struct tty_struct *tty, struct file *filp)
if (portp->flags & ASYNC_CLOSING) {
interruptible_sleep_on(&portp->close_wait);
if (portp->flags & ASYNC_HUP_NOTIFY)
- return(-EAGAIN);
- return(-ERESTARTSYS);
+ return -EAGAIN;
+ return -ERESTARTSYS;
}
/*
@@ -1088,38 +1049,33 @@ static int stli_open(struct tty_struct *tty, struct file *filp)
*/
if (!(filp->f_flags & O_NONBLOCK)) {
if ((rc = stli_waitcarrier(brdp, portp, filp)) != 0)
- return(rc);
+ return rc;
}
portp->flags |= ASYNC_NORMAL_ACTIVE;
- return(0);
+ return 0;
}
/*****************************************************************************/
static void stli_close(struct tty_struct *tty, struct file *filp)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- unsigned long flags;
-
-#ifdef DEBUG
- printk("stli_close(tty=%x,filp=%x)\n", (int) tty, (int) filp);
-#endif
+ stlibrd_t *brdp;
+ stliport_t *portp;
+ unsigned long flags;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&stli_lock, flags);
if (tty_hung_up_p(filp)) {
- restore_flags(flags);
+ spin_unlock_irqrestore(&stli_lock, flags);
return;
}
if ((tty->count == 1) && (portp->refcount != 1))
portp->refcount = 1;
if (portp->refcount-- > 1) {
- restore_flags(flags);
+ spin_unlock_irqrestore(&stli_lock, flags);
return;
}
@@ -1134,6 +1090,8 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
if (tty == stli_txcooktty)
stli_flushchars(tty);
tty->closing = 1;
+ spin_unlock_irqrestore(&stli_lock, flags);
+
if (portp->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, portp->closing_wait);
@@ -1157,7 +1115,7 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
stli_flushbuffer(tty);
tty->closing = 0;
- portp->tty = (struct tty_struct *) NULL;
+ portp->tty = NULL;
if (portp->openwaitcnt) {
if (portp->close_delay)
@@ -1167,7 +1125,6 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
portp->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
wake_up_interruptible(&portp->close_wait);
- restore_flags(flags);
}
/*****************************************************************************/
@@ -1182,45 +1139,41 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
static int stli_initopen(stlibrd_t *brdp, stliport_t *portp)
{
- struct tty_struct *tty;
- asynotify_t nt;
- asyport_t aport;
- int rc;
-
-#ifdef DEBUG
- printk("stli_initopen(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
-#endif
+ struct tty_struct *tty;
+ asynotify_t nt;
+ asyport_t aport;
+ int rc;
if ((rc = stli_rawopen(brdp, portp, 0, 1)) < 0)
- return(rc);
+ return rc;
memset(&nt, 0, sizeof(asynotify_t));
nt.data = (DT_TXLOW | DT_TXEMPTY | DT_RXBUSY | DT_RXBREAK);
nt.signal = SG_DCD;
if ((rc = stli_cmdwait(brdp, portp, A_SETNOTIFY, &nt,
sizeof(asynotify_t), 0)) < 0)
- return(rc);
+ return rc;
tty = portp->tty;
- if (tty == (struct tty_struct *) NULL)
- return(-ENODEV);
+ if (tty == NULL)
+ return -ENODEV;
stli_mkasyport(portp, &aport, tty->termios);
if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
sizeof(asyport_t), 0)) < 0)
- return(rc);
+ return rc;
set_bit(ST_GETSIGS, &portp->state);
if ((rc = stli_cmdwait(brdp, portp, A_GETSIGNALS, &portp->asig,
sizeof(asysigs_t), 1)) < 0)
- return(rc);
+ return rc;
if (test_and_clear_bit(ST_GETSIGS, &portp->state))
portp->sigs = stli_mktiocm(portp->asig.sigvalue);
stli_mkasysigs(&portp->asig, 1, 1);
if ((rc = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
sizeof(asysigs_t), 0)) < 0)
- return(rc);
+ return rc;
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -1234,22 +1187,15 @@ static int stli_initopen(stlibrd_t *brdp, stliport_t *portp)
static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
{
- volatile cdkhdr_t *hdrp;
- volatile cdkctrl_t *cp;
- volatile unsigned char *bits;
- unsigned long flags;
- int rc;
-
-#ifdef DEBUG
- printk("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n",
- (int) brdp, (int) portp, (int) arg, wait);
-#endif
+ cdkhdr_t __iomem *hdrp;
+ cdkctrl_t __iomem *cp;
+ unsigned char __iomem *bits;
+ unsigned long flags;
+ int rc;
/*
* Send a message to the slave to open this port.
*/
- save_flags(flags);
- cli();
/*
* Slave is already closing this port. This can happen if a hangup
@@ -1260,7 +1206,6 @@ static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, i
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_CLOSING, &portp->state));
if (signal_pending(current)) {
- restore_flags(flags);
return -ERESTARTSYS;
}
@@ -1269,19 +1214,20 @@ static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, i
* memory. Once the message is in set the service bits to say that
* this port wants service.
*/
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
- cp->openarg = arg;
- cp->open = 1;
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
+ cp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
+ writel(arg, &cp->openarg);
+ writeb(1, &cp->open);
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ bits = ((unsigned char __iomem *) hdrp) + brdp->slaveoffset +
portp->portidx;
- *bits |= portp->portbit;
+ writeb(readb(bits) | portp->portbit, bits);
EBRDDISABLE(brdp);
if (wait == 0) {
- restore_flags(flags);
- return(0);
+ spin_unlock_irqrestore(&brd_lock, flags);
+ return 0;
}
/*
@@ -1290,15 +1236,16 @@ static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, i
*/
rc = 0;
set_bit(ST_OPENING, &portp->state);
+ spin_unlock_irqrestore(&brd_lock, flags);
+
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_OPENING, &portp->state));
if (signal_pending(current))
rc = -ERESTARTSYS;
- restore_flags(flags);
if ((rc == 0) && (portp->rc != 0))
rc = -EIO;
- return(rc);
+ return rc;
}
/*****************************************************************************/
@@ -1311,19 +1258,11 @@ static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, i
static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
{
- volatile cdkhdr_t *hdrp;
- volatile cdkctrl_t *cp;
- volatile unsigned char *bits;
- unsigned long flags;
- int rc;
-
-#ifdef DEBUG
- printk("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n",
- (int) brdp, (int) portp, (int) arg, wait);
-#endif
-
- save_flags(flags);
- cli();
+ cdkhdr_t __iomem *hdrp;
+ cdkctrl_t __iomem *cp;
+ unsigned char __iomem *bits;
+ unsigned long flags;
+ int rc;
/*
* Slave is already closing this port. This can happen if a hangup
@@ -1333,7 +1272,6 @@ static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg,
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_CLOSING, &portp->state));
if (signal_pending(current)) {
- restore_flags(flags);
return -ERESTARTSYS;
}
}
@@ -1341,21 +1279,22 @@ static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg,
/*
* Write the close command into shared memory.
*/
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
- cp->closearg = arg;
- cp->close = 1;
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
+ cp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
+ writel(arg, &cp->closearg);
+ writeb(1, &cp->close);
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ bits = ((unsigned char __iomem *) hdrp) + brdp->slaveoffset +
portp->portidx;
- *bits |= portp->portbit;
+ writeb(readb(bits) |portp->portbit, bits);
EBRDDISABLE(brdp);
set_bit(ST_CLOSING, &portp->state);
- if (wait == 0) {
- restore_flags(flags);
- return(0);
- }
+ spin_unlock_irqrestore(&brd_lock, flags);
+
+ if (wait == 0)
+ return 0;
/*
* Slave is in action, so now we must wait for the open acknowledgment
@@ -1366,11 +1305,10 @@ static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg,
!test_bit(ST_CLOSING, &portp->state));
if (signal_pending(current))
rc = -ERESTARTSYS;
- restore_flags(flags);
if ((rc == 0) && (portp->rc != 0))
rc = -EIO;
- return(rc);
+ return rc;
}
/*****************************************************************************/
@@ -1384,36 +1322,21 @@ static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg,
static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
{
- unsigned long flags;
-
-#ifdef DEBUG
- printk("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
- "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
- (int) arg, size, copyback);
-#endif
-
- save_flags(flags);
- cli();
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_CMDING, &portp->state));
- if (signal_pending(current)) {
- restore_flags(flags);
+ if (signal_pending(current))
return -ERESTARTSYS;
- }
stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_CMDING, &portp->state));
- if (signal_pending(current)) {
- restore_flags(flags);
+ if (signal_pending(current))
return -ERESTARTSYS;
- }
- restore_flags(flags);
if (portp->rc != 0)
- return(-EIO);
- return(0);
+ return -EIO;
+ return 0;
}
/*****************************************************************************/
@@ -1425,22 +1348,18 @@ static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, v
static int stli_setport(stliport_t *portp)
{
- stlibrd_t *brdp;
- asyport_t aport;
-
-#ifdef DEBUG
- printk("stli_setport(portp=%x)\n", (int) portp);
-#endif
+ stlibrd_t *brdp;
+ asyport_t aport;
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
- if (portp->tty == (struct tty_struct *) NULL)
- return(-ENODEV);
- if ((portp->brdnr < 0) && (portp->brdnr >= stli_nrbrds))
- return(-ENODEV);
+ if (portp == NULL)
+ return -ENODEV;
+ if (portp->tty == NULL)
+ return -ENODEV;
+ if (portp->brdnr < 0 && portp->brdnr >= stli_nrbrds)
+ return -ENODEV;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (brdp == NULL)
+ return -ENODEV;
stli_mkasyport(portp, &aport, portp->tty->termios);
return(stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0));
@@ -1455,13 +1374,8 @@ static int stli_setport(stliport_t *portp)
static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp)
{
- unsigned long flags;
- int rc, doclocal;
-
-#ifdef DEBUG
- printk("stli_waitcarrier(brdp=%x,portp=%x,filp=%x)\n",
- (int) brdp, (int) portp, (int) filp);
-#endif
+ unsigned long flags;
+ int rc, doclocal;
rc = 0;
doclocal = 0;
@@ -1469,11 +1383,11 @@ static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *fil
if (portp->tty->termios->c_cflag & CLOCAL)
doclocal++;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&stli_lock, flags);
portp->openwaitcnt++;
if (! tty_hung_up_p(filp))
portp->refcount--;
+ spin_unlock_irqrestore(&stli_lock, flags);
for (;;) {
stli_mkasysigs(&portp->asig, 1, 1);
@@ -1499,12 +1413,13 @@ static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *fil
interruptible_sleep_on(&portp->open_wait);
}
+ spin_lock_irqsave(&stli_lock, flags);
if (! tty_hung_up_p(filp))
portp->refcount++;
portp->openwaitcnt--;
- restore_flags(flags);
+ spin_unlock_irqrestore(&stli_lock, flags);
- return(rc);
+ return rc;
}
/*****************************************************************************/
@@ -1517,46 +1432,38 @@ static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *fil
static int stli_write(struct tty_struct *tty, const unsigned char *buf, int count)
{
- volatile cdkasy_t *ap;
- volatile cdkhdr_t *hdrp;
- volatile unsigned char *bits;
- unsigned char *shbuf, *chbuf;
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned int len, stlen, head, tail, size;
- unsigned long flags;
-
-#ifdef DEBUG
- printk("stli_write(tty=%x,buf=%x,count=%d)\n",
- (int) tty, (int) buf, count);
-#endif
+ cdkasy_t __iomem *ap;
+ cdkhdr_t __iomem *hdrp;
+ unsigned char __iomem *bits;
+ unsigned char __iomem *shbuf;
+ unsigned char *chbuf;
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned int len, stlen, head, tail, size;
+ unsigned long flags;
- if ((tty == (struct tty_struct *) NULL) ||
- (stli_tmpwritebuf == (char *) NULL))
- return(0);
if (tty == stli_txcooktty)
stli_flushchars(tty);
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return(0);
+ if (portp == NULL)
+ return 0;
if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return(0);
+ return 0;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(0);
+ if (brdp == NULL)
+ return 0;
chbuf = (unsigned char *) buf;
/*
* All data is now local, shove as much as possible into shared memory.
*/
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
- head = (unsigned int) ap->txq.head;
- tail = (unsigned int) ap->txq.tail;
- if (tail != ((unsigned int) ap->txq.tail))
- tail = (unsigned int) ap->txq.tail;
+ ap = (cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr);
+ head = (unsigned int) readw(&ap->txq.head);
+ tail = (unsigned int) readw(&ap->txq.tail);
+ if (tail != ((unsigned int) readw(&ap->txq.tail)))
+ tail = (unsigned int) readw(&ap->txq.tail);
size = portp->txsize;
if (head >= tail) {
len = size - (head - tail) - 1;
@@ -1568,11 +1475,11 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun
len = MIN(len, count);
count = 0;
- shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
+ shbuf = (char __iomem *) EBRDGETMEMPTR(brdp, portp->txoffset);
while (len > 0) {
stlen = MIN(len, stlen);
- memcpy((shbuf + head), chbuf, stlen);
+ memcpy_toio(shbuf + head, chbuf, stlen);
chbuf += stlen;
len -= stlen;
count += stlen;
@@ -1583,20 +1490,19 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun
}
}
- ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
- ap->txq.head = head;
+ ap = (cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr);
+ writew(head, &ap->txq.head);
if (test_bit(ST_TXBUSY, &portp->state)) {
- if (ap->changed.data & DT_TXEMPTY)
- ap->changed.data &= ~DT_TXEMPTY;
+ if (readl(&ap->changed.data) & DT_TXEMPTY)
+ writel(readl(&ap->changed.data) & ~DT_TXEMPTY, &ap->changed.data);
}
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ bits = ((unsigned char __iomem *) hdrp) + brdp->slaveoffset +
portp->portidx;
- *bits |= portp->portbit;
+ writeb(readb(bits) | portp->portbit, bits);
set_bit(ST_TXBUSY, &portp->state);
EBRDDISABLE(brdp);
-
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
return(count);
}
@@ -1613,14 +1519,8 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun
static void stli_putchar(struct tty_struct *tty, unsigned char ch)
{
-#ifdef DEBUG
- printk("stli_putchar(tty=%x,ch=%x)\n", (int) tty, (int) ch);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return;
if (tty != stli_txcooktty) {
- if (stli_txcooktty != (struct tty_struct *) NULL)
+ if (stli_txcooktty != NULL)
stli_flushchars(stli_txcooktty);
stli_txcooktty = tty;
}
@@ -1640,29 +1540,26 @@ static void stli_putchar(struct tty_struct *tty, unsigned char ch)
static void stli_flushchars(struct tty_struct *tty)
{
- volatile cdkhdr_t *hdrp;
- volatile unsigned char *bits;
- volatile cdkasy_t *ap;
- struct tty_struct *cooktty;
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned int len, stlen, head, tail, size, count, cooksize;
- unsigned char *buf, *shbuf;
- unsigned long flags;
-
-#ifdef DEBUG
- printk("stli_flushchars(tty=%x)\n", (int) tty);
-#endif
+ cdkhdr_t __iomem *hdrp;
+ unsigned char __iomem *bits;
+ cdkasy_t __iomem *ap;
+ struct tty_struct *cooktty;
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned int len, stlen, head, tail, size, count, cooksize;
+ unsigned char *buf;
+ unsigned char __iomem *shbuf;
+ unsigned long flags;
cooksize = stli_txcooksize;
cooktty = stli_txcooktty;
stli_txcooksize = 0;
stli_txcookrealsize = 0;
- stli_txcooktty = (struct tty_struct *) NULL;
+ stli_txcooktty = NULL;
- if (tty == (struct tty_struct *) NULL)
+ if (tty == NULL)
return;
- if (cooktty == (struct tty_struct *) NULL)
+ if (cooktty == NULL)
return;
if (tty != cooktty)
tty = cooktty;
@@ -1670,23 +1567,22 @@ static void stli_flushchars(struct tty_struct *tty)
return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
return;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
return;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
- head = (unsigned int) ap->txq.head;
- tail = (unsigned int) ap->txq.tail;
- if (tail != ((unsigned int) ap->txq.tail))
- tail = (unsigned int) ap->txq.tail;
+ ap = (cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr);
+ head = (unsigned int) readw(&ap->txq.head);
+ tail = (unsigned int) readw(&ap->txq.tail);
+ if (tail != ((unsigned int) readw(&ap->txq.tail)))
+ tail = (unsigned int) readw(&ap->txq.tail);
size = portp->txsize;
if (head >= tail) {
len = size - (head - tail) - 1;
@@ -1703,7 +1599,7 @@ static void stli_flushchars(struct tty_struct *tty)
while (len > 0) {
stlen = MIN(len, stlen);
- memcpy((shbuf + head), buf, stlen);
+ memcpy_toio(shbuf + head, buf, stlen);
buf += stlen;
len -= stlen;
count += stlen;
@@ -1714,73 +1610,66 @@ static void stli_flushchars(struct tty_struct *tty)
}
}
- ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
- ap->txq.head = head;
+ ap = (cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr);
+ writew(head, &ap->txq.head);
if (test_bit(ST_TXBUSY, &portp->state)) {
- if (ap->changed.data & DT_TXEMPTY)
- ap->changed.data &= ~DT_TXEMPTY;
+ if (readl(&ap->changed.data) & DT_TXEMPTY)
+ writel(readl(&ap->changed.data) & ~DT_TXEMPTY, &ap->changed.data);
}
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ bits = ((unsigned char __iomem *) hdrp) + brdp->slaveoffset +
portp->portidx;
- *bits |= portp->portbit;
+ writeb(readb(bits) | portp->portbit, bits);
set_bit(ST_TXBUSY, &portp->state);
EBRDDISABLE(brdp);
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
}
/*****************************************************************************/
static int stli_writeroom(struct tty_struct *tty)
{
- volatile cdkasyrq_t *rp;
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned int head, tail, len;
- unsigned long flags;
-
-#ifdef DEBUG
- printk("stli_writeroom(tty=%x)\n", (int) tty);
-#endif
+ cdkasyrq_t __iomem *rp;
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned int head, tail, len;
+ unsigned long flags;
- if (tty == (struct tty_struct *) NULL)
- return(0);
if (tty == stli_txcooktty) {
if (stli_txcookrealsize != 0) {
len = stli_txcookrealsize - stli_txcooksize;
- return(len);
+ return len;
}
}
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return(0);
+ if (portp == NULL)
+ return 0;
if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return(0);
+ return 0;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(0);
+ if (brdp == NULL)
+ return 0;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->txq;
- head = (unsigned int) rp->head;
- tail = (unsigned int) rp->tail;
- if (tail != ((unsigned int) rp->tail))
- tail = (unsigned int) rp->tail;
+ rp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->txq;
+ head = (unsigned int) readw(&rp->head);
+ tail = (unsigned int) readw(&rp->tail);
+ if (tail != ((unsigned int) readw(&rp->tail)))
+ tail = (unsigned int) readw(&rp->tail);
len = (head >= tail) ? (portp->txsize - (head - tail)) : (tail - head);
len--;
EBRDDISABLE(brdp);
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
if (tty == stli_txcooktty) {
stli_txcookrealsize = len;
len -= stli_txcooksize;
}
- return(len);
+ return len;
}
/*****************************************************************************/
@@ -1795,44 +1684,37 @@ static int stli_writeroom(struct tty_struct *tty)
static int stli_charsinbuffer(struct tty_struct *tty)
{
- volatile cdkasyrq_t *rp;
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned int head, tail, len;
- unsigned long flags;
-
-#ifdef DEBUG
- printk("stli_charsinbuffer(tty=%x)\n", (int) tty);
-#endif
+ cdkasyrq_t __iomem *rp;
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned int head, tail, len;
+ unsigned long flags;
- if (tty == (struct tty_struct *) NULL)
- return(0);
if (tty == stli_txcooktty)
stli_flushchars(tty);
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return(0);
+ if (portp == NULL)
+ return 0;
if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return(0);
+ return 0;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(0);
+ if (brdp == NULL)
+ return 0;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->txq;
- head = (unsigned int) rp->head;
- tail = (unsigned int) rp->tail;
- if (tail != ((unsigned int) rp->tail))
- tail = (unsigned int) rp->tail;
+ rp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->txq;
+ head = (unsigned int) readw(&rp->head);
+ tail = (unsigned int) readw(&rp->tail);
+ if (tail != ((unsigned int) readw(&rp->tail)))
+ tail = (unsigned int) readw(&rp->tail);
len = (head >= tail) ? (head - tail) : (portp->txsize - (tail - head));
if ((len == 0) && test_bit(ST_TXBUSY, &portp->state))
len = 1;
EBRDDISABLE(brdp);
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
- return(len);
+ return len;
}
/*****************************************************************************/
@@ -1843,12 +1725,8 @@ static int stli_charsinbuffer(struct tty_struct *tty)
static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp)
{
- struct serial_struct sio;
- stlibrd_t *brdp;
-
-#ifdef DEBUG
- printk("stli_getserial(portp=%x,sp=%x)\n", (int) portp, (int) sp);
-#endif
+ struct serial_struct sio;
+ stlibrd_t *brdp;
memset(&sio, 0, sizeof(struct serial_struct));
sio.type = PORT_UNKNOWN;
@@ -1863,7 +1741,7 @@ static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp)
sio.hub6 = 0;
brdp = stli_brds[portp->brdnr];
- if (brdp != (stlibrd_t *) NULL)
+ if (brdp != NULL)
sio.port = brdp->iobase;
return copy_to_user(sp, &sio, sizeof(struct serial_struct)) ?
@@ -1880,12 +1758,8 @@ static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp)
static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp)
{
- struct serial_struct sio;
- int rc;
-
-#ifdef DEBUG
- printk("stli_setserial(portp=%p,sp=%p)\n", portp, sp);
-#endif
+ struct serial_struct sio;
+ int rc;
if (copy_from_user(&sio, sp, sizeof(struct serial_struct)))
return -EFAULT;
@@ -1894,7 +1768,7 @@ static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp)
(sio.close_delay != portp->close_delay) ||
((sio.flags & ~ASYNC_USR_MASK) !=
(portp->flags & ~ASYNC_USR_MASK)))
- return(-EPERM);
+ return -EPERM;
}
portp->flags = (portp->flags & ~ASYNC_USR_MASK) |
@@ -1905,8 +1779,8 @@ static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp)
portp->custom_divisor = sio.custom_divisor;
if ((rc = stli_setport(portp)) < 0)
- return(rc);
- return(0);
+ return rc;
+ return 0;
}
/*****************************************************************************/
@@ -1917,19 +1791,19 @@ static int stli_tiocmget(struct tty_struct *tty, struct file *file)
stlibrd_t *brdp;
int rc;
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return(0);
+ if (portp == NULL)
+ return -ENODEV;
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ return 0;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(0);
+ if (brdp == NULL)
+ return 0;
if (tty->flags & (1 << TTY_IO_ERROR))
- return(-EIO);
+ return -EIO;
if ((rc = stli_cmdwait(brdp, portp, A_GETSIGNALS,
&portp->asig, sizeof(asysigs_t), 1)) < 0)
- return(rc);
+ return rc;
return stli_mktiocm(portp->asig.sigvalue);
}
@@ -1941,15 +1815,15 @@ static int stli_tiocmset(struct tty_struct *tty, struct file *file,
stlibrd_t *brdp;
int rts = -1, dtr = -1;
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return(0);
+ if (portp == NULL)
+ return -ENODEV;
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ return 0;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(0);
+ if (brdp == NULL)
+ return 0;
if (tty->flags & (1 << TTY_IO_ERROR))
- return(-EIO);
+ return -EIO;
if (set & TIOCM_RTS)
rts = 1;
@@ -1968,32 +1842,25 @@ static int stli_tiocmset(struct tty_struct *tty, struct file *file,
static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned int ival;
- int rc;
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned int ival;
+ int rc;
void __user *argp = (void __user *)arg;
-#ifdef DEBUG
- printk("stli_ioctl(tty=%x,file=%x,cmd=%x,arg=%x)\n",
- (int) tty, (int) file, cmd, (int) arg);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return(-ENODEV);
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return(0);
+ if (portp == NULL)
+ return -ENODEV;
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ return 0;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(0);
+ if (brdp == NULL)
+ return 0;
if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
(cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) {
if (tty->flags & (1 << TTY_IO_ERROR))
- return(-EIO);
+ return -EIO;
}
rc = 0;
@@ -2040,7 +1907,7 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm
break;
}
- return(rc);
+ return rc;
}
/*****************************************************************************/
@@ -2052,24 +1919,20 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm
static void stli_settermios(struct tty_struct *tty, struct termios *old)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- struct termios *tiosp;
- asyport_t aport;
-
-#ifdef DEBUG
- printk("stli_settermios(tty=%x,old=%x)\n", (int) tty, (int) old);
-#endif
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ struct termios *tiosp;
+ asyport_t aport;
- if (tty == (struct tty_struct *) NULL)
+ if (tty == NULL)
return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
return;
tiosp = tty->termios;
@@ -2102,18 +1965,9 @@ static void stli_settermios(struct tty_struct *tty, struct termios *old)
static void stli_throttle(struct tty_struct *tty)
{
- stliport_t *portp;
-
-#ifdef DEBUG
- printk("stli_throttle(tty=%x)\n", (int) tty);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
+ stliport_t *portp = tty->driver_data;
+ if (portp == NULL)
return;
- portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return;
-
set_bit(ST_RXSTOP, &portp->state);
}
@@ -2127,88 +1981,30 @@ static void stli_throttle(struct tty_struct *tty)
static void stli_unthrottle(struct tty_struct *tty)
{
- stliport_t *portp;
-
-#ifdef DEBUG
- printk("stli_unthrottle(tty=%x)\n", (int) tty);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return;
- portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ stliport_t *portp = tty->driver_data;
+ if (portp == NULL)
return;
-
clear_bit(ST_RXSTOP, &portp->state);
}
/*****************************************************************************/
/*
- * Stop the transmitter. Basically to do this we will just turn TX
- * interrupts off.
+ * Stop the transmitter.
*/
static void stli_stop(struct tty_struct *tty)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- asyctrl_t actrl;
-
-#ifdef DEBUG
- printk("stli_stop(tty=%x)\n", (int) tty);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return;
- portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return;
- brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return;
-
- memset(&actrl, 0, sizeof(asyctrl_t));
- actrl.txctrl = CT_STOPFLOW;
-#if 0
- stli_cmdwait(brdp, portp, A_PORTCTRL, &actrl, sizeof(asyctrl_t), 0);
-#endif
}
/*****************************************************************************/
/*
- * Start the transmitter again. Just turn TX interrupts back on.
+ * Start the transmitter again.
*/
static void stli_start(struct tty_struct *tty)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- asyctrl_t actrl;
-
-#ifdef DEBUG
- printk("stli_start(tty=%x)\n", (int) tty);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return;
- portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
- return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
- return;
- brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return;
-
- memset(&actrl, 0, sizeof(asyctrl_t));
- actrl.txctrl = CT_STARTFLOW;
-#if 0
- stli_cmdwait(brdp, portp, A_PORTCTRL, &actrl, sizeof(asyctrl_t), 0);
-#endif
}
/*****************************************************************************/
@@ -2224,22 +2020,9 @@ static void stli_start(struct tty_struct *tty)
static void stli_dohangup(void *arg)
{
- stliport_t *portp;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_dohangup(portp=%x)\n", (int) arg);
-#endif
-
- /*
- * FIXME: There's a module removal race here: tty_hangup
- * calls schedule_work which will call into this
- * driver later.
- */
- portp = (stliport_t *) arg;
- if (portp != (stliport_t *) NULL) {
- if (portp->tty != (struct tty_struct *) NULL) {
- tty_hangup(portp->tty);
- }
+ stliport_t *portp = (stliport_t *) arg;
+ if (portp->tty != NULL) {
+ tty_hangup(portp->tty);
}
}
@@ -2254,31 +2037,25 @@ static void stli_dohangup(void *arg)
static void stli_hangup(struct tty_struct *tty)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned long flags;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_hangup(tty=%x)\n", (int) tty);
-#endif
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned long flags;
- if (tty == (struct tty_struct *) NULL)
- return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
return;
portp->flags &= ~ASYNC_INITIALIZED;
- save_flags(flags);
- cli();
- if (! test_bit(ST_CLOSING, &portp->state))
+ if (!test_bit(ST_CLOSING, &portp->state))
stli_rawclose(brdp, portp, 0, 0);
+
+ spin_lock_irqsave(&stli_lock, flags);
if (tty->termios->c_cflag & HUPCL) {
stli_mkasysigs(&portp->asig, 0, 0);
if (test_bit(ST_CMDING, &portp->state)) {
@@ -2290,14 +2067,15 @@ static void stli_hangup(struct tty_struct *tty)
&portp->asig, sizeof(asysigs_t), 0);
}
}
- restore_flags(flags);
clear_bit(ST_TXBUSY, &portp->state);
clear_bit(ST_RXSTOP, &portp->state);
set_bit(TTY_IO_ERROR, &tty->flags);
- portp->tty = (struct tty_struct *) NULL;
+ portp->tty = NULL;
portp->flags &= ~ASYNC_NORMAL_ACTIVE;
portp->refcount = 0;
+ spin_unlock_irqrestore(&stli_lock, flags);
+
wake_up_interruptible(&portp->open_wait);
}
@@ -2312,29 +2090,22 @@ static void stli_hangup(struct tty_struct *tty)
static void stli_flushbuffer(struct tty_struct *tty)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned long ftype, flags;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_flushbuffer(tty=%x)\n", (int) tty);
-#endif
+ stliport_t *portp;
+ stlibrd_t *brdp;
+ unsigned long ftype, flags;
- if (tty == (struct tty_struct *) NULL)
- return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
return;
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&brd_lock, flags);
if (tty == stli_txcooktty) {
- stli_txcooktty = (struct tty_struct *) NULL;
+ stli_txcooktty = NULL;
stli_txcooksize = 0;
stli_txcookrealsize = 0;
}
@@ -2346,15 +2117,10 @@ static void stli_flushbuffer(struct tty_struct *tty)
ftype |= FLUSHRX;
clear_bit(ST_DOFLUSHRX, &portp->state);
}
- stli_sendcmd(brdp, portp, A_FLUSH, &ftype,
- sizeof(unsigned long), 0);
+ __stli_sendcmd(brdp, portp, A_FLUSH, &ftype, sizeof(u32), 0);
}
- restore_flags(flags);
-
- wake_up_interruptible(&tty->write_wait);
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup)
- (tty->ldisc.write_wakeup)(tty);
+ spin_unlock_irqrestore(&brd_lock, flags);
+ tty_wakeup(tty);
}
/*****************************************************************************/
@@ -2364,55 +2130,31 @@ static void stli_breakctl(struct tty_struct *tty, int state)
stlibrd_t *brdp;
stliport_t *portp;
long arg;
- /* long savestate, savetime; */
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_breakctl(tty=%x,state=%d)\n", (int) tty, state);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
return;
-/*
- * Due to a bug in the tty send_break() code we need to preserve
- * the current process state and timeout...
- savetime = current->timeout;
- savestate = current->state;
- */
-
arg = (state == -1) ? BREAKON : BREAKOFF;
stli_cmdwait(brdp, portp, A_BREAK, &arg, sizeof(long), 0);
-
-/*
- *
- current->timeout = savetime;
- current->state = savestate;
- */
}
/*****************************************************************************/
static void stli_waituntilsent(struct tty_struct *tty, int timeout)
{
- stliport_t *portp;
- unsigned long tend;
+ stliport_t *portp;
+ unsigned long tend;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_waituntilsent(tty=%x,timeout=%x)\n", (int) tty, timeout);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
+ if (tty == NULL)
return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
if (timeout == 0)
@@ -2436,19 +2178,13 @@ static void stli_sendxchar(struct tty_struct *tty, char ch)
stliport_t *portp;
asyctrl_t actrl;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_sendxchar(tty=%x,ch=%x)\n", (int) tty, ch);
-#endif
-
- if (tty == (struct tty_struct *) NULL)
- return;
portp = tty->driver_data;
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
return;
memset(&actrl, 0, sizeof(asyctrl_t));
@@ -2460,7 +2196,6 @@ static void stli_sendxchar(struct tty_struct *tty, char ch)
actrl.txctrl = CT_SENDCHR;
actrl.tximdch = ch;
}
-
stli_cmdwait(brdp, portp, A_PORTCTRL, &actrl, sizeof(asyctrl_t), 0);
}
@@ -2476,17 +2211,17 @@ static void stli_sendxchar(struct tty_struct *tty, char ch)
static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *pos)
{
- char *sp, *uart;
- int rc, cnt;
+ char *sp, *uart;
+ int rc, cnt;
rc = stli_portcmdstats(portp);
uart = "UNKNOWN";
if (brdp->state & BST_STARTED) {
switch (stli_comstats.hwid) {
- case 0: uart = "2681"; break;
- case 1: uart = "SC26198"; break;
- default: uart = "CD1400"; break;
+ case 0: uart = "2681"; break;
+ case 1: uart = "SC26198"; break;
+ default:uart = "CD1400"; break;
}
}
@@ -2537,17 +2272,11 @@ static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *p
static int stli_readproc(char *page, char **start, off_t off, int count, int *eof, void *data)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- int brdnr, portnr, totalport;
- int curoff, maxoff;
- char *pos;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_readproc(page=%x,start=%x,off=%x,count=%d,eof=%x,"
- "data=%x\n", (int) page, (int) start, (int) off, count,
- (int) eof, (int) data);
-#endif
+ stlibrd_t *brdp;
+ stliport_t *portp;
+ int brdnr, portnr, totalport;
+ int curoff, maxoff;
+ char *pos;
pos = page;
totalport = 0;
@@ -2568,7 +2297,7 @@ static int stli_readproc(char *page, char **start, off_t off, int count, int *eo
*/
for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
continue;
if (brdp->state == 0)
continue;
@@ -2583,7 +2312,7 @@ static int stli_readproc(char *page, char **start, off_t off, int count, int *eo
for (portnr = 0; (portnr < brdp->nrports); portnr++,
totalport++) {
portp = brdp->ports[portnr];
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
continue;
if (off >= (curoff += MAXLINE))
continue;
@@ -2610,49 +2339,54 @@ stli_readdone:
* a poll routine that does not have user context. Therefore you cannot
* copy back directly into user space, or to the kernel stack of a
* process. This routine does not sleep, so can be called from anywhere.
+ *
+ * The caller must hold the brd_lock (see also stli_sendcmd the usual
+ * entry point)
*/
-static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
+static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
{
- volatile cdkhdr_t *hdrp;
- volatile cdkctrl_t *cp;
- volatile unsigned char *bits;
- unsigned long flags;
+ cdkhdr_t __iomem *hdrp;
+ cdkctrl_t __iomem *cp;
+ unsigned char __iomem *bits;
+ unsigned long flags;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
- "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
- (int) arg, size, copyback);
-#endif
-
- save_flags(flags);
- cli();
+ spin_lock_irqsave(&brd_lock, flags);
if (test_bit(ST_CMDING, &portp->state)) {
printk(KERN_ERR "STALLION: command already busy, cmd=%x!\n",
(int) cmd);
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
return;
}
EBRDENABLE(brdp);
- cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
+ cp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
if (size > 0) {
- memcpy((void *) &(cp->args[0]), arg, size);
+ memcpy_toio((void __iomem *) &(cp->args[0]), arg, size);
if (copyback) {
portp->argp = arg;
portp->argsize = size;
}
}
- cp->status = 0;
- cp->cmd = cmd;
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
+ writel(0, &cp->status);
+ writel(cmd, &cp->cmd);
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ bits = ((unsigned char __iomem *) hdrp) + brdp->slaveoffset +
portp->portidx;
- *bits |= portp->portbit;
+ writeb(readb(bits) | portp->portbit, bits);
set_bit(ST_CMDING, &portp->state);
EBRDDISABLE(brdp);
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
+}
+
+static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&brd_lock, flags);
+ __stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
+ spin_unlock_irqrestore(&brd_lock, flags);
}
/*****************************************************************************/
@@ -2667,28 +2401,23 @@ static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd,
static void stli_read(stlibrd_t *brdp, stliport_t *portp)
{
- volatile cdkasyrq_t *rp;
- volatile char *shbuf;
+ cdkasyrq_t __iomem *rp;
+ char __iomem *shbuf;
struct tty_struct *tty;
- unsigned int head, tail, size;
- unsigned int len, stlen;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_read(brdp=%x,portp=%d)\n",
- (int) brdp, (int) portp);
-#endif
+ unsigned int head, tail, size;
+ unsigned int len, stlen;
if (test_bit(ST_RXSTOP, &portp->state))
return;
tty = portp->tty;
- if (tty == (struct tty_struct *) NULL)
+ if (tty == NULL)
return;
- rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
- head = (unsigned int) rp->head;
- if (head != ((unsigned int) rp->head))
- head = (unsigned int) rp->head;
- tail = (unsigned int) rp->tail;
+ rp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
+ head = (unsigned int) readw(&rp->head);
+ if (head != ((unsigned int) readw(&rp->head)))
+ head = (unsigned int) readw(&rp->head);
+ tail = (unsigned int) readw(&rp->tail);
size = portp->rxsize;
if (head >= tail) {
len = head - tail;
@@ -2699,12 +2428,15 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp)
}
len = tty_buffer_request_room(tty, len);
- /* FIXME : iomap ? */
- shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
+
+ shbuf = (char __iomem *) EBRDGETMEMPTR(brdp, portp->rxoffset);
while (len > 0) {
+ unsigned char *cptr;
+
stlen = MIN(len, stlen);
- tty_insert_flip_string(tty, (char *)(shbuf + tail), stlen);
+ tty_prepare_flip_string(tty, &cptr, stlen);
+ memcpy_fromio(cptr, shbuf + tail, stlen);
len -= stlen;
tail += stlen;
if (tail >= size) {
@@ -2712,8 +2444,8 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp)
stlen = head;
}
}
- rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
- rp->tail = tail;
+ rp = &((cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
+ writew(tail, &rp->tail);
if (head != tail)
set_bit(ST_RXING, &portp->state);
@@ -2729,9 +2461,9 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp)
* difficult to deal with them here.
*/
-static void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
+static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp)
{
- int cmd;
+ int cmd;
if (test_bit(ST_DOSIGS, &portp->state)) {
if (test_bit(ST_DOFLUSHTX, &portp->state) &&
@@ -2746,10 +2478,10 @@ static void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
clear_bit(ST_DOFLUSHTX, &portp->state);
clear_bit(ST_DOFLUSHRX, &portp->state);
clear_bit(ST_DOSIGS, &portp->state);
- memcpy((void *) &(cp->args[0]), (void *) &portp->asig,
+ memcpy_toio((void __iomem *) &(cp->args[0]), (void *) &portp->asig,
sizeof(asysigs_t));
- cp->status = 0;
- cp->cmd = cmd;
+ writel(0, &cp->status);
+ writel(cmd, &cp->cmd);
set_bit(ST_CMDING, &portp->state);
} else if (test_bit(ST_DOFLUSHTX, &portp->state) ||
test_bit(ST_DOFLUSHRX, &portp->state)) {
@@ -2757,9 +2489,9 @@ static void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
cmd |= ((test_bit(ST_DOFLUSHRX, &portp->state)) ? FLUSHRX : 0);
clear_bit(ST_DOFLUSHTX, &portp->state);
clear_bit(ST_DOFLUSHRX, &portp->state);
- memcpy((void *) &(cp->args[0]), (void *) &cmd, sizeof(int));
- cp->status = 0;
- cp->cmd = A_FLUSH;
+ memcpy_toio((void __iomem *) &(cp->args[0]), (void *) &cmd, sizeof(int));
+ writel(0, &cp->status);
+ writel(A_FLUSH, &cp->cmd);
set_bit(ST_CMDING, &portp->state);
}
}
@@ -2779,30 +2511,25 @@ static void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
{
- volatile cdkasy_t *ap;
- volatile cdkctrl_t *cp;
- struct tty_struct *tty;
- asynotify_t nt;
- unsigned long oldsigs;
- int rc, donerx;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_hostcmd(brdp=%x,channr=%d)\n",
- (int) brdp, channr);
-#endif
-
- ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
+ cdkasy_t __iomem *ap;
+ cdkctrl_t __iomem *cp;
+ struct tty_struct *tty;
+ asynotify_t nt;
+ unsigned long oldsigs;
+ int rc, donerx;
+
+ ap = (cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr);
cp = &ap->ctrl;
/*
* Check if we are waiting for an open completion message.
*/
if (test_bit(ST_OPENING, &portp->state)) {
- rc = (int) cp->openarg;
- if ((cp->open == 0) && (rc != 0)) {
+ rc = readl(&cp->openarg);
+ if (readb(&cp->open) == 0 && rc != 0) {
if (rc > 0)
rc--;
- cp->openarg = 0;
+ writel(0, &cp->openarg);
portp->rc = rc;
clear_bit(ST_OPENING, &portp->state);
wake_up_interruptible(&portp->raw_wait);
@@ -2813,11 +2540,11 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
* Check if we are waiting for a close completion message.
*/
if (test_bit(ST_CLOSING, &portp->state)) {
- rc = (int) cp->closearg;
- if ((cp->close == 0) && (rc != 0)) {
+ rc = (int) readl(&cp->closearg);
+ if (readb(&cp->close) == 0 && rc != 0) {
if (rc > 0)
rc--;
- cp->closearg = 0;
+ writel(0, &cp->closearg);
portp->rc = rc;
clear_bit(ST_CLOSING, &portp->state);
wake_up_interruptible(&portp->raw_wait);
@@ -2829,16 +2556,16 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
* need to copy out the command results associated with this command.
*/
if (test_bit(ST_CMDING, &portp->state)) {
- rc = cp->status;
- if ((cp->cmd == 0) && (rc != 0)) {
+ rc = readl(&cp->status);
+ if (readl(&cp->cmd) == 0 && rc != 0) {
if (rc > 0)
rc--;
- if (portp->argp != (void *) NULL) {
- memcpy(portp->argp, (void *) &(cp->args[0]),
+ if (portp->argp != NULL) {
+ memcpy_fromio(portp->argp, (void __iomem *) &(cp->args[0]),
portp->argsize);
- portp->argp = (void *) NULL;
+ portp->argp = NULL;
}
- cp->status = 0;
+ writel(0, &cp->status);
portp->rc = rc;
clear_bit(ST_CMDING, &portp->state);
stli_dodelaycmd(portp, cp);
@@ -2877,18 +2604,15 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
if (nt.data & DT_TXEMPTY)
clear_bit(ST_TXBUSY, &portp->state);
if (nt.data & (DT_TXEMPTY | DT_TXLOW)) {
- if (tty != (struct tty_struct *) NULL) {
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup) {
- (tty->ldisc.write_wakeup)(tty);
- EBRDENABLE(brdp);
- }
+ if (tty != NULL) {
+ tty_wakeup(tty);
+ EBRDENABLE(brdp);
wake_up_interruptible(&tty->write_wait);
}
}
if ((nt.data & DT_RXBREAK) && (portp->rxmarkmsk & BRKINT)) {
- if (tty != (struct tty_struct *) NULL) {
+ if (tty != NULL) {
tty_insert_flip_char(tty, 0, TTY_BREAK);
if (portp->flags & ASYNC_SAK) {
do_SAK(tty);
@@ -2932,14 +2656,14 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
* at the cdk header structure.
*/
-static void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
+static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp)
{
- stliport_t *portp;
- unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
- unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
- unsigned char *slavep;
- int bitpos, bitat, bitsize;
- int channr, nrdevs, slavebitchange;
+ stliport_t *portp;
+ unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
+ unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
+ unsigned char __iomem *slavep;
+ int bitpos, bitat, bitsize;
+ int channr, nrdevs, slavebitchange;
bitsize = brdp->bitsize;
nrdevs = brdp->nrdevs;
@@ -2951,7 +2675,7 @@ static void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
* 8 service bits at a time in the inner loop, so we can bypass
* the lot if none of them want service.
*/
- memcpy(&hostbits[0], (((unsigned char *) hdrp) + brdp->hostoffset),
+ memcpy_fromio(&hostbits[0], (((unsigned char __iomem *) hdrp) + brdp->hostoffset),
bitsize);
memset(&slavebits[0], 0, bitsize);
@@ -2978,11 +2702,11 @@ static void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
* service may initiate more slave requests.
*/
if (slavebitchange) {
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- slavep = ((unsigned char *) hdrp) + brdp->slaveoffset;
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ slavep = ((unsigned char __iomem *) hdrp) + brdp->slaveoffset;
for (bitpos = 0; (bitpos < bitsize); bitpos++) {
- if (slavebits[bitpos])
- slavep[bitpos] &= ~slavebits[bitpos];
+ if (readb(slavebits + bitpos))
+ writeb(readb(slavep + bitpos) & ~slavebits[bitpos], slavebits + bitpos);
}
}
}
@@ -3000,9 +2724,9 @@ static void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
static void stli_poll(unsigned long arg)
{
- volatile cdkhdr_t *hdrp;
- stlibrd_t *brdp;
- int brdnr;
+ cdkhdr_t __iomem *hdrp;
+ stlibrd_t *brdp;
+ int brdnr;
stli_timerlist.expires = STLI_TIMEOUT;
add_timer(&stli_timerlist);
@@ -3012,16 +2736,18 @@ static void stli_poll(unsigned long arg)
*/
for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
continue;
if ((brdp->state & BST_STARTED) == 0)
continue;
+ spin_lock(&brd_lock);
EBRDENABLE(brdp);
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
- if (hdrp->hostreq)
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ if (readb(&hdrp->hostreq))
stli_brdpoll(brdp, hdrp);
EBRDDISABLE(brdp);
+ spin_unlock(&brd_lock);
}
}
@@ -3034,11 +2760,6 @@ static void stli_poll(unsigned long arg)
static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n",
- (int) portp, (int) pp, (int) tiosp);
-#endif
-
memset(pp, 0, sizeof(asyport_t));
/*
@@ -3157,11 +2878,6 @@ static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tio
static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n",
- (int) sp, dtr, rts);
-#endif
-
memset(sp, 0, sizeof(asysigs_t));
if (dtr >= 0) {
sp->signal |= SG_DTR;
@@ -3182,13 +2898,7 @@ static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
static long stli_mktiocm(unsigned long sigvalue)
{
- long tiocm;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
-#endif
-
- tiocm = 0;
+ long tiocm = 0;
tiocm |= ((sigvalue & SG_DCD) ? TIOCM_CD : 0);
tiocm |= ((sigvalue & SG_CTS) ? TIOCM_CTS : 0);
tiocm |= ((sigvalue & SG_RI) ? TIOCM_RI : 0);
@@ -3210,10 +2920,6 @@ static int stli_initports(stlibrd_t *brdp)
stliport_t *portp;
int i, panelnr, panelport;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_initports(brdp=%x)\n", (int) brdp);
-#endif
-
for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
portp = kzalloc(sizeof(stliport_t), GFP_KERNEL);
if (!portp) {
@@ -3240,7 +2946,7 @@ static int stli_initports(stlibrd_t *brdp)
brdp->ports[i] = portp;
}
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -3253,10 +2959,6 @@ static void stli_ecpinit(stlibrd_t *brdp)
{
unsigned long memconf;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpinit(brdp=%d)\n", (int) brdp);
-#endif
-
outb(ECP_ATSTOP, (brdp->iobase + ECP_ATCONFR));
udelay(10);
outb(ECP_ATDISABLE, (brdp->iobase + ECP_ATCONFR));
@@ -3270,9 +2972,6 @@ static void stli_ecpinit(stlibrd_t *brdp)
static void stli_ecpenable(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpenable(brdp=%x)\n", (int) brdp);
-#endif
outb(ECP_ATENABLE, (brdp->iobase + ECP_ATCONFR));
}
@@ -3280,9 +2979,6 @@ static void stli_ecpenable(stlibrd_t *brdp)
static void stli_ecpdisable(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpdisable(brdp=%x)\n", (int) brdp);
-#endif
outb(ECP_ATDISABLE, (brdp->iobase + ECP_ATCONFR));
}
@@ -3290,13 +2986,8 @@ static void stli_ecpdisable(stlibrd_t *brdp)
static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
{
- void *ptr;
- unsigned char val;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
- (int) offset);
-#endif
+ void *ptr;
+ unsigned char val;
if (offset > brdp->memsize) {
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
@@ -3316,10 +3007,6 @@ static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
static void stli_ecpreset(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpreset(brdp=%x)\n", (int) brdp);
-#endif
-
outb(ECP_ATSTOP, (brdp->iobase + ECP_ATCONFR));
udelay(10);
outb(ECP_ATDISABLE, (brdp->iobase + ECP_ATCONFR));
@@ -3330,9 +3017,6 @@ static void stli_ecpreset(stlibrd_t *brdp)
static void stli_ecpintr(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpintr(brdp=%x)\n", (int) brdp);
-#endif
outb(0x1, brdp->iobase);
}
@@ -3346,10 +3030,6 @@ static void stli_ecpeiinit(stlibrd_t *brdp)
{
unsigned long memconf;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpeiinit(brdp=%x)\n", (int) brdp);
-#endif
-
outb(0x1, (brdp->iobase + ECP_EIBRDENAB));
outb(ECP_EISTOP, (brdp->iobase + ECP_EICONFR));
udelay(10);
@@ -3383,11 +3063,6 @@ static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line
void *ptr;
unsigned char val;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
- (int) brdp, (int) offset, line);
-#endif
-
if (offset > brdp->memsize) {
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
@@ -3437,8 +3112,8 @@ static void stli_ecpmcdisable(stlibrd_t *brdp)
static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
{
- void *ptr;
- unsigned char val;
+ void *ptr;
+ unsigned char val;
if (offset > brdp->memsize) {
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
@@ -3472,10 +3147,6 @@ static void stli_ecpmcreset(stlibrd_t *brdp)
static void stli_ecppciinit(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecppciinit(brdp=%x)\n", (int) brdp);
-#endif
-
outb(ECP_PCISTOP, (brdp->iobase + ECP_PCICONFR));
udelay(10);
outb(0, (brdp->iobase + ECP_PCICONFR));
@@ -3489,11 +3160,6 @@ static char *stli_ecppcigetmemptr(stlibrd_t *brdp, unsigned long offset, int lin
void *ptr;
unsigned char val;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_ecppcigetmemptr(brdp=%x,offset=%x,line=%d)\n",
- (int) brdp, (int) offset, line);
-#endif
-
if (offset > brdp->memsize) {
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), board=%d\n",
@@ -3528,10 +3194,6 @@ static void stli_onbinit(stlibrd_t *brdp)
{
unsigned long memconf;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbinit(brdp=%d)\n", (int) brdp);
-#endif
-
outb(ONB_ATSTOP, (brdp->iobase + ONB_ATCONFR));
udelay(10);
outb(ONB_ATDISABLE, (brdp->iobase + ONB_ATCONFR));
@@ -3547,9 +3209,6 @@ static void stli_onbinit(stlibrd_t *brdp)
static void stli_onbenable(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbenable(brdp=%x)\n", (int) brdp);
-#endif
outb((brdp->enabval | ONB_ATENABLE), (brdp->iobase + ONB_ATCONFR));
}
@@ -3557,9 +3216,6 @@ static void stli_onbenable(stlibrd_t *brdp)
static void stli_onbdisable(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbdisable(brdp=%x)\n", (int) brdp);
-#endif
outb((brdp->enabval | ONB_ATDISABLE), (brdp->iobase + ONB_ATCONFR));
}
@@ -3569,11 +3225,6 @@ static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
{
void *ptr;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
- (int) offset);
-#endif
-
if (offset > brdp->memsize) {
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
@@ -3589,11 +3240,6 @@ static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
static void stli_onbreset(stlibrd_t *brdp)
{
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbreset(brdp=%x)\n", (int) brdp);
-#endif
-
outb(ONB_ATSTOP, (brdp->iobase + ONB_ATCONFR));
udelay(10);
outb(ONB_ATDISABLE, (brdp->iobase + ONB_ATCONFR));
@@ -3610,10 +3256,6 @@ static void stli_onbeinit(stlibrd_t *brdp)
{
unsigned long memconf;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbeinit(brdp=%d)\n", (int) brdp);
-#endif
-
outb(0x1, (brdp->iobase + ONB_EIBRDENAB));
outb(ONB_EISTOP, (brdp->iobase + ONB_EICONFR));
udelay(10);
@@ -3632,9 +3274,6 @@ static void stli_onbeinit(stlibrd_t *brdp)
static void stli_onbeenable(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbeenable(brdp=%x)\n", (int) brdp);
-#endif
outb(ONB_EIENABLE, (brdp->iobase + ONB_EICONFR));
}
@@ -3642,9 +3281,6 @@ static void stli_onbeenable(stlibrd_t *brdp)
static void stli_onbedisable(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbedisable(brdp=%x)\n", (int) brdp);
-#endif
outb(ONB_EIDISABLE, (brdp->iobase + ONB_EICONFR));
}
@@ -3652,13 +3288,8 @@ static void stli_onbedisable(stlibrd_t *brdp)
static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
{
- void *ptr;
- unsigned char val;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n",
- (int) brdp, (int) offset, line);
-#endif
+ void *ptr;
+ unsigned char val;
if (offset > brdp->memsize) {
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
@@ -3681,11 +3312,6 @@ static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
static void stli_onbereset(stlibrd_t *brdp)
{
-
-#ifdef DEBUG
- printk(KERN_ERR "stli_onbereset(brdp=%x)\n", (int) brdp);
-#endif
-
outb(ONB_EISTOP, (brdp->iobase + ONB_EICONFR));
udelay(10);
outb(ONB_EIDISABLE, (brdp->iobase + ONB_EICONFR));
@@ -3700,11 +3326,6 @@ static void stli_onbereset(stlibrd_t *brdp)
static void stli_bbyinit(stlibrd_t *brdp)
{
-
-#ifdef DEBUG
- printk(KERN_ERR "stli_bbyinit(brdp=%d)\n", (int) brdp);
-#endif
-
outb(BBY_ATSTOP, (brdp->iobase + BBY_ATCONFR));
udelay(10);
outb(0, (brdp->iobase + BBY_ATCONFR));
@@ -3717,24 +3338,13 @@ static void stli_bbyinit(stlibrd_t *brdp)
static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
{
- void *ptr;
- unsigned char val;
+ void *ptr;
+ unsigned char val;
-#ifdef DEBUG
- printk(KERN_ERR "stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
- (int) offset);
-#endif
+ BUG_ON(offset > brdp->memsize);
- if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
- "range at line=%d(%d), brd=%d\n",
- (int) offset, line, __LINE__, brdp->brdnr);
- ptr = NULL;
- val = 0;
- } else {
- ptr = brdp->membase + (offset % BBY_PAGESIZE);
- val = (unsigned char) (offset / BBY_PAGESIZE);
- }
+ ptr = brdp->membase + (offset % BBY_PAGESIZE);
+ val = (unsigned char) (offset / BBY_PAGESIZE);
outb(val, (brdp->iobase + BBY_ATCONFR));
return(ptr);
}
@@ -3743,11 +3353,6 @@ static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
static void stli_bbyreset(stlibrd_t *brdp)
{
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_bbyreset(brdp=%x)\n", (int) brdp);
-#endif
-
outb(BBY_ATSTOP, (brdp->iobase + BBY_ATCONFR));
udelay(10);
outb(0, (brdp->iobase + BBY_ATCONFR));
@@ -3762,11 +3367,6 @@ static void stli_bbyreset(stlibrd_t *brdp)
static void stli_stalinit(stlibrd_t *brdp)
{
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_stalinit(brdp=%d)\n", (int) brdp);
-#endif
-
outb(0x1, brdp->iobase);
mdelay(1000);
}
@@ -3775,36 +3375,18 @@ static void stli_stalinit(stlibrd_t *brdp)
static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
{
- void *ptr;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
- (int) offset);
-#endif
-
- if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
- "range at line=%d(%d), brd=%d\n",
- (int) offset, line, __LINE__, brdp->brdnr);
- ptr = NULL;
- } else {
- ptr = brdp->membase + (offset % STAL_PAGESIZE);
- }
- return(ptr);
+ BUG_ON(offset > brdp->memsize);
+ return brdp->membase + (offset % STAL_PAGESIZE);
}
/*****************************************************************************/
static void stli_stalreset(stlibrd_t *brdp)
{
- volatile unsigned long *vecp;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_stalreset(brdp=%x)\n", (int) brdp);
-#endif
+ u32 __iomem *vecp;
- vecp = (volatile unsigned long *) (brdp->membase + 0x30);
- *vecp = 0xffff0000;
+ vecp = (u32 __iomem *) (brdp->membase + 0x30);
+ writel(0xffff0000, vecp);
outb(0, brdp->iobase);
mdelay(1000);
}
@@ -3818,15 +3400,11 @@ static void stli_stalreset(stlibrd_t *brdp)
static int stli_initecp(stlibrd_t *brdp)
{
- cdkecpsig_t sig;
- cdkecpsig_t *sigsp;
- unsigned int status, nxtid;
- char *name;
- int panelnr, nrports;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_initecp(brdp=%x)\n", (int) brdp);
-#endif
+ cdkecpsig_t sig;
+ cdkecpsig_t __iomem *sigsp;
+ unsigned int status, nxtid;
+ char *name;
+ int panelnr, nrports;
if (!request_region(brdp->iobase, brdp->iosize, "istallion"))
return -EIO;
@@ -3834,7 +3412,7 @@ static int stli_initecp(stlibrd_t *brdp)
if ((brdp->iobase == 0) || (brdp->memaddr == 0))
{
release_region(brdp->iobase, brdp->iosize);
- return(-ENODEV);
+ return -ENODEV;
}
brdp->iosize = ECP_IOSIZE;
@@ -3903,7 +3481,7 @@ static int stli_initecp(stlibrd_t *brdp)
default:
release_region(brdp->iobase, brdp->iosize);
- return(-EINVAL);
+ return -EINVAL;
}
/*
@@ -3915,10 +3493,10 @@ static int stli_initecp(stlibrd_t *brdp)
EBRDINIT(brdp);
brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
- if (brdp->membase == (void *) NULL)
+ if (brdp->membase == NULL)
{
release_region(brdp->iobase, brdp->iosize);
- return(-ENOMEM);
+ return -ENOMEM;
}
/*
@@ -3927,23 +3505,14 @@ static int stli_initecp(stlibrd_t *brdp)
* this is, and what it is connected to it.
*/
EBRDENABLE(brdp);
- sigsp = (cdkecpsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
+ sigsp = (cdkecpsig_t __iomem *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
memcpy(&sig, sigsp, sizeof(cdkecpsig_t));
EBRDDISABLE(brdp);
-#if 0
- printk("%s(%d): sig-> magic=%x rom=%x panel=%x,%x,%x,%x,%x,%x,%x,%x\n",
- __FILE__, __LINE__, (int) sig.magic, sig.romver, sig.panelid[0],
- (int) sig.panelid[1], (int) sig.panelid[2],
- (int) sig.panelid[3], (int) sig.panelid[4],
- (int) sig.panelid[5], (int) sig.panelid[6],
- (int) sig.panelid[7]);
-#endif
-
- if (sig.magic != ECP_MAGIC)
+ if (sig.magic != cpu_to_le32(ECP_MAGIC))
{
release_region(brdp->iobase, brdp->iosize);
- return(-ENODEV);
+ return -ENODEV;
}
/*
@@ -3967,7 +3536,7 @@ static int stli_initecp(stlibrd_t *brdp)
brdp->state |= BST_FOUND;
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -3979,20 +3548,16 @@ static int stli_initecp(stlibrd_t *brdp)
static int stli_initonb(stlibrd_t *brdp)
{
- cdkonbsig_t sig;
- cdkonbsig_t *sigsp;
- char *name;
- int i;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_initonb(brdp=%x)\n", (int) brdp);
-#endif
+ cdkonbsig_t sig;
+ cdkonbsig_t __iomem *sigsp;
+ char *name;
+ int i;
/*
* Do a basic sanity check on the IO and memory addresses.
*/
- if ((brdp->iobase == 0) || (brdp->memaddr == 0))
- return(-ENODEV);
+ if (brdp->iobase == 0 || brdp->memaddr == 0)
+ return -ENODEV;
brdp->iosize = ONB_IOSIZE;
@@ -4010,7 +3575,6 @@ static int stli_initonb(stlibrd_t *brdp)
case BRD_ONBOARD2:
case BRD_ONBOARD2_32:
case BRD_ONBOARDRS:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = ONB_MEMSIZE;
brdp->pagesize = ONB_ATPAGESIZE;
brdp->init = stli_onbinit;
@@ -4028,7 +3592,6 @@ static int stli_initonb(stlibrd_t *brdp)
break;
case BRD_ONBOARDE:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = ONB_EIMEMSIZE;
brdp->pagesize = ONB_EIPAGESIZE;
brdp->init = stli_onbeinit;
@@ -4044,7 +3607,6 @@ static int stli_initonb(stlibrd_t *brdp)
case BRD_BRUMBY4:
case BRD_BRUMBY8:
case BRD_BRUMBY16:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = BBY_MEMSIZE;
brdp->pagesize = BBY_PAGESIZE;
brdp->init = stli_bbyinit;
@@ -4058,7 +3620,6 @@ static int stli_initonb(stlibrd_t *brdp)
break;
case BRD_STALLION:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = STAL_MEMSIZE;
brdp->pagesize = STAL_PAGESIZE;
brdp->init = stli_stalinit;
@@ -4073,7 +3634,7 @@ static int stli_initonb(stlibrd_t *brdp)
default:
release_region(brdp->iobase, brdp->iosize);
- return(-EINVAL);
+ return -EINVAL;
}
/*
@@ -4085,10 +3646,10 @@ static int stli_initonb(stlibrd_t *brdp)
EBRDINIT(brdp);
brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
- if (brdp->membase == (void *) NULL)
+ if (brdp->membase == NULL)
{
release_region(brdp->iobase, brdp->iosize);
- return(-ENOMEM);
+ return -ENOMEM;
}
/*
@@ -4097,21 +3658,17 @@ static int stli_initonb(stlibrd_t *brdp)
* this is, and how many ports.
*/
EBRDENABLE(brdp);
- sigsp = (cdkonbsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
- memcpy(&sig, sigsp, sizeof(cdkonbsig_t));
+ sigsp = (cdkonbsig_t __iomem *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
+ memcpy_fromio(&sig, sigsp, sizeof(cdkonbsig_t));
EBRDDISABLE(brdp);
-#if 0
- printk("%s(%d): sig-> magic=%x:%x:%x:%x romver=%x amask=%x:%x:%x\n",
- __FILE__, __LINE__, sig.magic0, sig.magic1, sig.magic2,
- sig.magic3, sig.romver, sig.amask0, sig.amask1, sig.amask2);
-#endif
-
- if ((sig.magic0 != ONB_MAGIC0) || (sig.magic1 != ONB_MAGIC1) ||
- (sig.magic2 != ONB_MAGIC2) || (sig.magic3 != ONB_MAGIC3))
+ if (sig.magic0 != cpu_to_le16(ONB_MAGIC0) ||
+ sig.magic1 != cpu_to_le16(ONB_MAGIC1) ||
+ sig.magic2 != cpu_to_le16(ONB_MAGIC2) ||
+ sig.magic3 != cpu_to_le16(ONB_MAGIC3))
{
release_region(brdp->iobase, brdp->iosize);
- return(-ENODEV);
+ return -ENODEV;
}
/*
@@ -4132,7 +3689,7 @@ static int stli_initonb(stlibrd_t *brdp)
brdp->state |= BST_FOUND;
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4145,31 +3702,25 @@ static int stli_initonb(stlibrd_t *brdp)
static int stli_startbrd(stlibrd_t *brdp)
{
- volatile cdkhdr_t *hdrp;
- volatile cdkmem_t *memp;
- volatile cdkasy_t *ap;
- unsigned long flags;
- stliport_t *portp;
- int portnr, nrdevs, i, rc;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_startbrd(brdp=%x)\n", (int) brdp);
-#endif
-
- rc = 0;
-
- save_flags(flags);
- cli();
+ cdkhdr_t __iomem *hdrp;
+ cdkmem_t __iomem *memp;
+ cdkasy_t __iomem *ap;
+ unsigned long flags;
+ stliport_t *portp;
+ int portnr, nrdevs, i, rc = 0;
+ u32 memoff;
+
+ spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
+ hdrp = (cdkhdr_t __iomem *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
nrdevs = hdrp->nrdevs;
#if 0
printk("%s(%d): CDK version %d.%d.%d --> "
"nrdevs=%d memp=%x hostp=%x slavep=%x\n",
- __FILE__, __LINE__, hdrp->ver_release, hdrp->ver_modification,
- hdrp->ver_fix, nrdevs, (int) hdrp->memp, (int) hdrp->hostp,
- (int) hdrp->slavep);
+ __FILE__, __LINE__, readb(&hdrp->ver_release), readb(&hdrp->ver_modification),
+ readb(&hdrp->ver_fix), nrdevs, (int) readl(&hdrp->memp), readl(&hdrp->hostp),
+ readl(&hdrp->slavep));
#endif
if (nrdevs < (brdp->nrports + 1)) {
@@ -4181,14 +3732,14 @@ static int stli_startbrd(stlibrd_t *brdp)
brdp->hostoffset = hdrp->hostp - CDK_CDKADDR;
brdp->slaveoffset = hdrp->slavep - CDK_CDKADDR;
brdp->bitsize = (nrdevs + 7) / 8;
- memp = (volatile cdkmem_t *) hdrp->memp;
- if (((unsigned long) memp) > brdp->memsize) {
+ memoff = readl(&hdrp->memp);
+ if (memoff > brdp->memsize) {
printk(KERN_ERR "STALLION: corrupted shared memory region?\n");
rc = -EIO;
goto stli_donestartup;
}
- memp = (volatile cdkmem_t *) EBRDGETMEMPTR(brdp, (unsigned long) memp);
- if (memp->dtype != TYP_ASYNCTRL) {
+ memp = (cdkmem_t __iomem *) EBRDGETMEMPTR(brdp, memoff);
+ if (readw(&memp->dtype) != TYP_ASYNCTRL) {
printk(KERN_ERR "STALLION: no slave control device found\n");
goto stli_donestartup;
}
@@ -4200,19 +3751,19 @@ static int stli_startbrd(stlibrd_t *brdp)
* change pages while reading memory map.
*/
for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++, memp++) {
- if (memp->dtype != TYP_ASYNC)
+ if (readw(&memp->dtype) != TYP_ASYNC)
break;
portp = brdp->ports[portnr];
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
break;
portp->devnr = i;
- portp->addr = memp->offset;
+ portp->addr = readl(&memp->offset);
portp->reqbit = (unsigned char) (0x1 << (i * 8 / nrdevs));
portp->portidx = (unsigned char) (i / 8);
portp->portbit = (unsigned char) (0x1 << (i % 8));
}
- hdrp->slavereq = 0xff;
+ writeb(0xff, &hdrp->slavereq);
/*
* For each port setup a local copy of the RX and TX buffer offsets
@@ -4221,22 +3772,22 @@ static int stli_startbrd(stlibrd_t *brdp)
*/
for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++) {
portp = brdp->ports[portnr];
- if (portp == (stliport_t *) NULL)
+ if (portp == NULL)
break;
if (portp->addr == 0)
break;
- ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
- if (ap != (volatile cdkasy_t *) NULL) {
- portp->rxsize = ap->rxq.size;
- portp->txsize = ap->txq.size;
- portp->rxoffset = ap->rxq.offset;
- portp->txoffset = ap->txq.offset;
+ ap = (cdkasy_t __iomem *) EBRDGETMEMPTR(brdp, portp->addr);
+ if (ap != NULL) {
+ portp->rxsize = readw(&ap->rxq.size);
+ portp->txsize = readw(&ap->txq.size);
+ portp->rxoffset = readl(&ap->rxq.offset);
+ portp->txoffset = readl(&ap->txq.offset);
}
}
stli_donestartup:
EBRDDISABLE(brdp);
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
if (rc == 0)
brdp->state |= BST_STARTED;
@@ -4247,7 +3798,7 @@ stli_donestartup:
add_timer(&stli_timerlist);
}
- return(rc);
+ return rc;
}
/*****************************************************************************/
@@ -4258,10 +3809,6 @@ stli_donestartup:
static int __init stli_brdinit(stlibrd_t *brdp)
{
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_brdinit(brdp=%x)\n", (int) brdp);
-#endif
-
stli_brds[brdp->brdnr] = brdp;
switch (brdp->brdtype) {
@@ -4289,11 +3836,11 @@ static int __init stli_brdinit(stlibrd_t *brdp)
case BRD_ECHPCI:
printk(KERN_ERR "STALLION: %s board type not supported in "
"this driver\n", stli_brdnames[brdp->brdtype]);
- return(ENODEV);
+ return -ENODEV;
default:
printk(KERN_ERR "STALLION: board=%d is unknown board "
"type=%d\n", brdp->brdnr, brdp->brdtype);
- return(ENODEV);
+ return -ENODEV;
}
if ((brdp->state & BST_FOUND) == 0) {
@@ -4301,7 +3848,7 @@ static int __init stli_brdinit(stlibrd_t *brdp)
"io=%x mem=%x\n",
stli_brdnames[brdp->brdtype], brdp->brdnr,
brdp->iobase, (int) brdp->memaddr);
- return(ENODEV);
+ return -ENODEV;
}
stli_initports(brdp);
@@ -4309,7 +3856,7 @@ static int __init stli_brdinit(stlibrd_t *brdp)
"nrpanels=%d nrports=%d\n", stli_brdnames[brdp->brdtype],
brdp->brdnr, brdp->iobase, (int) brdp->memaddr,
brdp->nrpanels, brdp->nrports);
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4321,14 +3868,10 @@ static int __init stli_brdinit(stlibrd_t *brdp)
static int stli_eisamemprobe(stlibrd_t *brdp)
{
- cdkecpsig_t ecpsig, *ecpsigp;
- cdkonbsig_t onbsig, *onbsigp;
+ cdkecpsig_t ecpsig, __iomem *ecpsigp;
+ cdkonbsig_t onbsig, __iomem *onbsigp;
int i, foundit;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_eisamemprobe(brdp=%x)\n", (int) brdp);
-#endif
-
/*
* First up we reset the board, to get it into a known state. There
* is only 2 board types here we need to worry about. Don;t use the
@@ -4352,7 +3895,7 @@ static int stli_eisamemprobe(stlibrd_t *brdp)
mdelay(1);
stli_onbeenable(brdp);
} else {
- return(-ENODEV);
+ return -ENODEV;
}
foundit = 0;
@@ -4364,25 +3907,24 @@ static int stli_eisamemprobe(stlibrd_t *brdp)
*/
for (i = 0; (i < stli_eisamempsize); i++) {
brdp->memaddr = stli_eisamemprobeaddrs[i];
- brdp->membase = (void *) brdp->memaddr;
brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
- if (brdp->membase == (void *) NULL)
+ if (brdp->membase == NULL)
continue;
if (brdp->brdtype == BRD_ECPE) {
- ecpsigp = (cdkecpsig_t *) stli_ecpeigetmemptr(brdp,
+ ecpsigp = (cdkecpsig_t __iomem *) stli_ecpeigetmemptr(brdp,
CDK_SIGADDR, __LINE__);
- memcpy(&ecpsig, ecpsigp, sizeof(cdkecpsig_t));
- if (ecpsig.magic == ECP_MAGIC)
+ memcpy_fromio(&ecpsig, ecpsigp, sizeof(cdkecpsig_t));
+ if (ecpsig.magic == cpu_to_le32(ECP_MAGIC))
foundit = 1;
} else {
- onbsigp = (cdkonbsig_t *) stli_onbegetmemptr(brdp,
+ onbsigp = (cdkonbsig_t __iomem *) stli_onbegetmemptr(brdp,
CDK_SIGADDR, __LINE__);
- memcpy(&onbsig, onbsigp, sizeof(cdkonbsig_t));
- if ((onbsig.magic0 == ONB_MAGIC0) &&
- (onbsig.magic1 == ONB_MAGIC1) &&
- (onbsig.magic2 == ONB_MAGIC2) &&
- (onbsig.magic3 == ONB_MAGIC3))
+ memcpy_fromio(&onbsig, onbsigp, sizeof(cdkonbsig_t));
+ if ((onbsig.magic0 == cpu_to_le16(ONB_MAGIC0)) &&
+ (onbsig.magic1 == cpu_to_le16(ONB_MAGIC1)) &&
+ (onbsig.magic2 == cpu_to_le16(ONB_MAGIC2)) &&
+ (onbsig.magic3 == cpu_to_le16(ONB_MAGIC3)))
foundit = 1;
}
@@ -4406,9 +3948,9 @@ static int stli_eisamemprobe(stlibrd_t *brdp)
printk(KERN_ERR "STALLION: failed to probe shared memory "
"region for %s in EISA slot=%d\n",
stli_brdnames[brdp->brdtype], (brdp->iobase >> 12));
- return(-ENODEV);
+ return -ENODEV;
}
- return(0);
+ return 0;
}
static int stli_getbrdnr(void)
@@ -4439,22 +3981,16 @@ static int stli_getbrdnr(void)
static int stli_findeisabrds(void)
{
- stlibrd_t *brdp;
- unsigned int iobase, eid;
- int i;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_findeisabrds()\n");
-#endif
+ stlibrd_t *brdp;
+ unsigned int iobase, eid;
+ int i;
/*
- * Firstly check if this is an EISA system. Do this by probing for
- * the system board EISA ID. If this is not an EISA system then
+ * Firstly check if this is an EISA system. If this is not an EISA system then
* don't bother going any further!
*/
- outb(0xff, 0xc80);
- if (inb(0xc80) == 0xff)
- return(0);
+ if (EISA_bus)
+ return 0;
/*
* Looks like an EISA system, so go searching for EISA boards.
@@ -4472,7 +4008,7 @@ static int stli_findeisabrds(void)
*/
for (i = 0; (i < STL_MAXBRDS); i++) {
brdp = stli_brds[i];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
continue;
if (brdp->iobase == iobase)
break;
@@ -4484,10 +4020,10 @@ static int stli_findeisabrds(void)
* We have found a Stallion board and it is not configured already.
* Allocate a board structure and initialize it.
*/
- if ((brdp = stli_allocbrd()) == (stlibrd_t *) NULL)
- return(-ENOMEM);
+ if ((brdp = stli_allocbrd()) == NULL)
+ return -ENOMEM;
if ((brdp->brdnr = stli_getbrdnr()) < 0)
- return(-ENOMEM);
+ return -ENOMEM;
eid = inb(iobase + 0xc82);
if (eid == ECP_EISAID)
brdp->brdtype = BRD_ECPE;
@@ -4502,7 +4038,7 @@ static int stli_findeisabrds(void)
stli_brdinit(brdp);
}
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4523,32 +4059,18 @@ static int stli_findeisabrds(void)
static int stli_initpcibrd(int brdtype, struct pci_dev *devp)
{
- stlibrd_t *brdp;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_initpcibrd(brdtype=%d,busnr=%x,devnr=%x)\n",
- brdtype, dev->bus->number, dev->devfn);
-#endif
+ stlibrd_t *brdp;
if (pci_enable_device(devp))
- return(-EIO);
- if ((brdp = stli_allocbrd()) == (stlibrd_t *) NULL)
- return(-ENOMEM);
+ return -EIO;
+ if ((brdp = stli_allocbrd()) == NULL)
+ return -ENOMEM;
if ((brdp->brdnr = stli_getbrdnr()) < 0) {
printk(KERN_INFO "STALLION: too many boards found, "
"maximum supported %d\n", STL_MAXBRDS);
- return(0);
+ return 0;
}
brdp->brdtype = brdtype;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "%s(%d): BAR[]=%lx,%lx,%lx,%lx\n", __FILE__, __LINE__,
- pci_resource_start(devp, 0),
- pci_resource_start(devp, 1),
- pci_resource_start(devp, 2),
- pci_resource_start(devp, 3));
-#endif
-
/*
* We have all resources from the board, so lets setup the actual
* board structure now.
@@ -4557,7 +4079,7 @@ static int stli_initpcibrd(int brdtype, struct pci_dev *devp)
brdp->memaddr = pci_resource_start(devp, 2);
stli_brdinit(brdp);
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4569,20 +4091,12 @@ static int stli_initpcibrd(int brdtype, struct pci_dev *devp)
static int stli_findpcibrds(void)
{
- struct pci_dev *dev = NULL;
- int rc;
-
-#ifdef DEBUG
- printk("stli_findpcibrds()\n");
-#endif
+ struct pci_dev *dev = NULL;
- while ((dev = pci_find_device(PCI_VENDOR_ID_STALLION,
- PCI_DEVICE_ID_ECRA, dev))) {
- if ((rc = stli_initpcibrd(BRD_ECPPCI, dev)))
- return(rc);
+ while ((dev = pci_get_device(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECRA, dev))) {
+ stli_initpcibrd(BRD_ECPPCI, dev);
}
-
- return(0);
+ return 0;
}
#endif
@@ -4595,17 +4109,16 @@ static int stli_findpcibrds(void)
static stlibrd_t *stli_allocbrd(void)
{
- stlibrd_t *brdp;
+ stlibrd_t *brdp;
brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL);
if (!brdp) {
printk(KERN_ERR "STALLION: failed to allocate memory "
- "(size=%d)\n", sizeof(stlibrd_t));
+ "(size=%Zd)\n", sizeof(stlibrd_t));
return NULL;
}
-
brdp->magic = STLI_BOARDMAGIC;
- return(brdp);
+ return brdp;
}
/*****************************************************************************/
@@ -4617,13 +4130,9 @@ static stlibrd_t *stli_allocbrd(void)
static int stli_initbrds(void)
{
- stlibrd_t *brdp, *nxtbrdp;
- stlconf_t *confp;
- int i, j;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_initbrds()\n");
-#endif
+ stlibrd_t *brdp, *nxtbrdp;
+ stlconf_t *confp;
+ int i, j;
if (stli_nrbrds > STL_MAXBRDS) {
printk(KERN_INFO "STALLION: too many boards in configuration "
@@ -4638,11 +4147,9 @@ static int stli_initbrds(void)
*/
for (i = 0; (i < stli_nrbrds); i++) {
confp = &stli_brdconf[i];
-#ifdef MODULE
stli_parsebrd(confp, stli_brdsp[i]);
-#endif
- if ((brdp = stli_allocbrd()) == (stlibrd_t *) NULL)
- return(-ENOMEM);
+ if ((brdp = stli_allocbrd()) == NULL)
+ return -ENOMEM;
brdp->brdnr = i;
brdp->brdtype = confp->brdtype;
brdp->iobase = confp->ioaddr1;
@@ -4654,9 +4161,7 @@ static int stli_initbrds(void)
* Static configuration table done, so now use dynamic methods to
* see if any more boards should be configured.
*/
-#ifdef MODULE
stli_argbrds();
-#endif
if (STLI_EISAPROBE)
stli_findeisabrds();
#ifdef CONFIG_PCI
@@ -4672,11 +4177,11 @@ static int stli_initbrds(void)
if (stli_nrbrds > 1) {
for (i = 0; (i < stli_nrbrds); i++) {
brdp = stli_brds[i];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
continue;
for (j = i + 1; (j < stli_nrbrds); j++) {
nxtbrdp = stli_brds[j];
- if (nxtbrdp == (stlibrd_t *) NULL)
+ if (nxtbrdp == NULL)
continue;
if ((brdp->membase >= nxtbrdp->membase) &&
(brdp->membase <= (nxtbrdp->membase +
@@ -4691,7 +4196,7 @@ static int stli_initbrds(void)
if (stli_shared == 0) {
for (i = 0; (i < stli_nrbrds); i++) {
brdp = stli_brds[i];
- if (brdp == (stlibrd_t *) NULL)
+ if (brdp == NULL)
continue;
if (brdp->state & BST_FOUND) {
EBRDENABLE(brdp);
@@ -4701,7 +4206,7 @@ static int stli_initbrds(void)
}
}
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4714,48 +4219,55 @@ static int stli_initbrds(void)
static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp)
{
- unsigned long flags;
- void *memptr;
- stlibrd_t *brdp;
- int brdnr, size, n;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_memread(fp=%x,buf=%x,count=%x,offp=%x)\n",
- (int) fp, (int) buf, count, (int) offp);
-#endif
+ unsigned long flags;
+ void *memptr;
+ stlibrd_t *brdp;
+ int brdnr, size, n;
+ void *p;
+ loff_t off = *offp;
brdnr = iminor(fp->f_dentry->d_inode);
if (brdnr >= stli_nrbrds)
- return(-ENODEV);
+ return -ENODEV;
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (brdp == NULL)
+ return -ENODEV;
if (brdp->state == 0)
- return(-ENODEV);
- if (fp->f_pos >= brdp->memsize)
- return(0);
+ return -ENODEV;
+ if (off >= brdp->memsize || off + count < off)
+ return 0;
- size = MIN(count, (brdp->memsize - fp->f_pos));
+ size = MIN(count, (brdp->memsize - off));
+
+ /*
+ * Copy the data a page at a time
+ */
+
+ p = (void *)__get_free_page(GFP_KERNEL);
+ if(p == NULL)
+ return -ENOMEM;
- save_flags(flags);
- cli();
- EBRDENABLE(brdp);
while (size > 0) {
- memptr = (void *) EBRDGETMEMPTR(brdp, fp->f_pos);
- n = MIN(size, (brdp->pagesize - (((unsigned long) fp->f_pos) % brdp->pagesize)));
- if (copy_to_user(buf, memptr, n)) {
+ spin_lock_irqsave(&brd_lock, flags);
+ EBRDENABLE(brdp);
+ memptr = (void *) EBRDGETMEMPTR(brdp, off);
+ n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
+ n = MIN(n, PAGE_SIZE);
+ memcpy_fromio(p, memptr, n);
+ EBRDDISABLE(brdp);
+ spin_unlock_irqrestore(&brd_lock, flags);
+ if (copy_to_user(buf, p, n)) {
count = -EFAULT;
goto out;
}
- fp->f_pos += n;
+ off += n;
buf += n;
size -= n;
}
out:
- EBRDDISABLE(brdp);
- restore_flags(flags);
-
- return(count);
+ *offp = off;
+ free_page((unsigned long)p);
+ return count;
}
/*****************************************************************************/
@@ -4764,54 +4276,65 @@ out:
* Code to handle an "staliomem" write operation. This device is the
* contents of the board shared memory. It is used for down loading
* the slave image (and debugging :-)
+ *
+ * FIXME: copy under lock
*/
static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp)
{
- unsigned long flags;
- void *memptr;
- stlibrd_t *brdp;
- char __user *chbuf;
- int brdnr, size, n;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_memwrite(fp=%x,buf=%x,count=%x,offp=%x)\n",
- (int) fp, (int) buf, count, (int) offp);
-#endif
+ unsigned long flags;
+ void *memptr;
+ stlibrd_t *brdp;
+ char __user *chbuf;
+ int brdnr, size, n;
+ void *p;
+ loff_t off = *offp;
brdnr = iminor(fp->f_dentry->d_inode);
+
if (brdnr >= stli_nrbrds)
- return(-ENODEV);
+ return -ENODEV;
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (brdp == NULL)
+ return -ENODEV;
if (brdp->state == 0)
- return(-ENODEV);
- if (fp->f_pos >= brdp->memsize)
- return(0);
+ return -ENODEV;
+ if (off >= brdp->memsize || off + count < off)
+ return 0;
chbuf = (char __user *) buf;
- size = MIN(count, (brdp->memsize - fp->f_pos));
+ size = MIN(count, (brdp->memsize - off));
+
+ /*
+ * Copy the data a page at a time
+ */
+
+ p = (void *)__get_free_page(GFP_KERNEL);
+ if(p == NULL)
+ return -ENOMEM;
- save_flags(flags);
- cli();
- EBRDENABLE(brdp);
while (size > 0) {
- memptr = (void *) EBRDGETMEMPTR(brdp, fp->f_pos);
- n = MIN(size, (brdp->pagesize - (((unsigned long) fp->f_pos) % brdp->pagesize)));
- if (copy_from_user(memptr, chbuf, n)) {
- count = -EFAULT;
+ n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
+ n = MIN(n, PAGE_SIZE);
+ if (copy_from_user(p, chbuf, n)) {
+ if (count == 0)
+ count = -EFAULT;
goto out;
}
- fp->f_pos += n;
+ spin_lock_irqsave(&brd_lock, flags);
+ EBRDENABLE(brdp);
+ memptr = (void *) EBRDGETMEMPTR(brdp, off);
+ memcpy_toio(memptr, p, n);
+ EBRDDISABLE(brdp);
+ spin_unlock_irqrestore(&brd_lock, flags);
+ off += n;
chbuf += n;
size -= n;
}
out:
- EBRDDISABLE(brdp);
- restore_flags(flags);
-
- return(count);
+ free_page((unsigned long) p);
+ *offp = off;
+ return count;
}
/*****************************************************************************/
@@ -4822,16 +4345,16 @@ out:
static int stli_getbrdstats(combrd_t __user *bp)
{
- stlibrd_t *brdp;
- int i;
+ stlibrd_t *brdp;
+ int i;
if (copy_from_user(&stli_brdstats, bp, sizeof(combrd_t)))
return -EFAULT;
if (stli_brdstats.brd >= STL_MAXBRDS)
- return(-ENODEV);
+ return -ENODEV;
brdp = stli_brds[stli_brdstats.brd];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (brdp == NULL)
+ return -ENODEV;
memset(&stli_brdstats, 0, sizeof(combrd_t));
stli_brdstats.brd = brdp->brdnr;
@@ -4850,7 +4373,7 @@ static int stli_getbrdstats(combrd_t __user *bp)
if (copy_to_user(bp, &stli_brdstats, sizeof(combrd_t)))
return -EFAULT;
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4861,19 +4384,19 @@ static int stli_getbrdstats(combrd_t __user *bp)
static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
{
- stlibrd_t *brdp;
- int i;
+ stlibrd_t *brdp;
+ int i;
- if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
- return((stliport_t *) NULL);
+ if (brdnr < 0 || brdnr >= STL_MAXBRDS)
+ return NULL;
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return((stliport_t *) NULL);
+ if (brdp == NULL)
+ return NULL;
for (i = 0; (i < panelnr); i++)
portnr += brdp->panels[i];
if ((portnr < 0) || (portnr >= brdp->nrports))
- return((stliport_t *) NULL);
- return(brdp->ports[portnr]);
+ return NULL;
+ return brdp->ports[portnr];
}
/*****************************************************************************/
@@ -4892,16 +4415,16 @@ static int stli_portcmdstats(stliport_t *portp)
memset(&stli_comstats, 0, sizeof(comstats_t));
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
+ if (portp == NULL)
+ return -ENODEV;
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (brdp == NULL)
+ return -ENODEV;
if (brdp->state & BST_STARTED) {
if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS,
&stli_cdkstats, sizeof(asystats_t), 1)) < 0)
- return(rc);
+ return rc;
} else {
memset(&stli_cdkstats, 0, sizeof(asystats_t));
}
@@ -4912,13 +4435,12 @@ static int stli_portcmdstats(stliport_t *portp)
stli_comstats.state = portp->state;
stli_comstats.flags = portp->flags;
- save_flags(flags);
- cli();
- if (portp->tty != (struct tty_struct *) NULL) {
+ spin_lock_irqsave(&brd_lock, flags);
+ if (portp->tty != NULL) {
if (portp->tty->driver_data == portp) {
stli_comstats.ttystate = portp->tty->flags;
- stli_comstats.rxbuffered = -1 /*portp->tty->flip.count*/;
- if (portp->tty->termios != (struct termios *) NULL) {
+ stli_comstats.rxbuffered = -1;
+ if (portp->tty->termios != NULL) {
stli_comstats.cflags = portp->tty->termios->c_cflag;
stli_comstats.iflags = portp->tty->termios->c_iflag;
stli_comstats.oflags = portp->tty->termios->c_oflag;
@@ -4926,7 +4448,7 @@ static int stli_portcmdstats(stliport_t *portp)
}
}
}
- restore_flags(flags);
+ spin_unlock_irqrestore(&brd_lock, flags);
stli_comstats.txtotal = stli_cdkstats.txchars;
stli_comstats.rxtotal = stli_cdkstats.rxchars + stli_cdkstats.ringover;
@@ -4948,7 +4470,7 @@ static int stli_portcmdstats(stliport_t *portp)
stli_comstats.hwid = stli_cdkstats.hwid;
stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals);
- return(0);
+ return 0;
}
/*****************************************************************************/
@@ -4961,8 +4483,8 @@ static int stli_portcmdstats(stliport_t *portp)
static int stli_getportstats(stliport_t *portp, comstats_t __user *cp)
{
- stlibrd_t *brdp;
- int rc;
+ stlibrd_t *brdp;
+ int rc;
if (!portp) {
if (copy_from_user(&stli_comstats, cp, sizeof(comstats_t)))
@@ -4992,8 +4514,8 @@ static int stli_getportstats(stliport_t *portp, comstats_t __user *cp)
static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp)
{
- stlibrd_t *brdp;
- int rc;
+ stlibrd_t *brdp;
+ int rc;
if (!portp) {
if (copy_from_user(&stli_comstats, cp, sizeof(comstats_t)))
@@ -5031,7 +4553,7 @@ static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp)
static int stli_getportstruct(stliport_t __user *arg)
{
- stliport_t *portp;
+ stliport_t *portp;
if (copy_from_user(&stli_dummyport, arg, sizeof(stliport_t)))
return -EFAULT;
@@ -5052,7 +4574,7 @@ static int stli_getportstruct(stliport_t __user *arg)
static int stli_getbrdstruct(stlibrd_t __user *arg)
{
- stlibrd_t *brdp;
+ stlibrd_t *brdp;
if (copy_from_user(&stli_dummybrd, arg, sizeof(stlibrd_t)))
return -EFAULT;
@@ -5076,15 +4598,10 @@ static int stli_getbrdstruct(stlibrd_t __user *arg)
static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg)
{
- stlibrd_t *brdp;
- int brdnr, rc, done;
+ stlibrd_t *brdp;
+ int brdnr, rc, done;
void __user *argp = (void __user *)arg;
-#ifdef DEBUG
- printk(KERN_DEBUG "stli_memioctl(ip=%x,fp=%x,cmd=%x,arg=%x)\n",
- (int) ip, (int) fp, cmd, (int) arg);
-#endif
-
/*
* First up handle the board independent ioctls.
*/
@@ -5115,7 +4632,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
}
if (done)
- return(rc);
+ return rc;
/*
* Now handle the board specific ioctls. These all depend on the
@@ -5123,12 +4640,12 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
*/
brdnr = iminor(ip);
if (brdnr >= STL_MAXBRDS)
- return(-ENODEV);
+ return -ENODEV;
brdp = stli_brds[brdnr];
if (!brdp)
- return(-ENODEV);
+ return -ENODEV;
if (brdp->state == 0)
- return(-ENODEV);
+ return -ENODEV;
switch (cmd) {
case STL_BINTR:
@@ -5152,8 +4669,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
rc = -ENOIOCTLCMD;
break;
}
-
- return(rc);
+ return rc;
}
static struct tty_operations stli_ops = {
@@ -5187,6 +4703,9 @@ int __init stli_init(void)
int i;
printk(KERN_INFO "%s: version %s\n", stli_drvtitle, stli_drvversion);
+ spin_lock_init(&stli_lock);
+ spin_lock_init(&brd_lock);
+
stli_initbrds();
stli_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS);
@@ -5196,10 +4715,6 @@ int __init stli_init(void)
/*
* Allocate a temporary write buffer.
*/
- stli_tmpwritebuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL);
- if (!stli_tmpwritebuf)
- printk(KERN_ERR "STALLION: failed to allocate memory "
- "(size=%d)\n", STLI_TXBUFSIZE);
stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL);
if (!stli_txcookbuf)
printk(KERN_ERR "STALLION: failed to allocate memory "
@@ -5243,7 +4758,7 @@ int __init stli_init(void)
printk(KERN_ERR "STALLION: failed to register serial driver\n");
return -EBUSY;
}
- return(0);
+ return 0;
}
/*****************************************************************************/
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 645d9d713aec..72cfd09091e0 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -996,7 +996,6 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
info->session = current->signal->session;
info->pgrp = process_group(current);
- clear_bit(TTY_DONT_FLIP, &tty->flags);
/*
status = mxser_get_msr(info->base, 0, info->port);
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index b9371d5bf790..603b9ade5eb0 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1132,7 +1132,7 @@ static inline int input_available_p(struct tty_struct *tty, int amt)
* buffer, and once to drain the space from the (physical) beginning of
* the buffer to head pointer.
*
- * Called under the tty->atomic_read_lock sem and with TTY_DONT_FLIP set
+ * Called under the tty->atomic_read_lock sem
*
*/
@@ -1271,7 +1271,6 @@ do_it_again:
}
add_wait_queue(&tty->read_wait, &wait);
- set_bit(TTY_DONT_FLIP, &tty->flags);
while (nr) {
/* First test for status change. */
if (tty->packet && tty->link->ctrl_status) {
@@ -1315,9 +1314,7 @@ do_it_again:
break;
}
n_tty_set_room(tty);
- clear_bit(TTY_DONT_FLIP, &tty->flags);
timeout = schedule_timeout(timeout);
- set_bit(TTY_DONT_FLIP, &tty->flags);
continue;
}
__set_current_state(TASK_RUNNING);
@@ -1394,7 +1391,6 @@ do_it_again:
if (time)
timeout = time;
}
- clear_bit(TTY_DONT_FLIP, &tty->flags);
mutex_unlock(&tty->atomic_read_lock);
remove_wait_queue(&tty->read_wait, &wait);
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 9b5a2c0e7008..0c17f61549b4 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -101,7 +101,7 @@ static void pty_unthrottle(struct tty_struct * tty)
*
* FIXME: Our pty_write method is called with our ldisc lock held but
* not our partners. We can't just take the other one blindly without
- * risking deadlocks. There is also the small matter of TTY_DONT_FLIP
+ * risking deadlocks.
*/
static int pty_write(struct tty_struct * tty, const unsigned char *buf, int count)
{
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index bf361a5ba70d..00b4a2187164 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -3029,6 +3029,9 @@ static int __init stl_init(void)
int i;
printk(KERN_INFO "%s: version %s\n", stl_drvtitle, stl_drvversion);
+ spin_lock_init(&stallion_lock);
+ spin_lock_init(&brd_lock);
+
stl_initbrds();
stl_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS);
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index bd74e82d8a72..8d19f7281f0b 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -267,7 +267,6 @@ static struct tty_buffer *tty_buffer_alloc(size_t size)
p->used = 0;
p->size = size;
p->next = NULL;
- p->active = 0;
p->commit = 0;
p->read = 0;
p->char_buf_ptr = (char *)(p->data);
@@ -327,10 +326,9 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size)
/* OPTIMISATION: We could keep a per tty "zero" sized buffer to
remove this conditional if its worth it. This would be invisible
to the callers */
- if ((b = tty->buf.tail) != NULL) {
+ if ((b = tty->buf.tail) != NULL)
left = b->size - b->used;
- b->active = 1;
- } else
+ else
left = 0;
if (left < size) {
@@ -338,12 +336,10 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size)
if ((n = tty_buffer_find(tty, size)) != NULL) {
if (b != NULL) {
b->next = n;
- b->active = 0;
b->commit = b->used;
} else
tty->buf.head = n;
tty->buf.tail = n;
- n->active = 1;
} else
size = left;
}
@@ -404,10 +400,8 @@ void tty_schedule_flip(struct tty_struct *tty)
{
unsigned long flags;
spin_lock_irqsave(&tty->buf.lock, flags);
- if (tty->buf.tail != NULL) {
- tty->buf.tail->active = 0;
+ if (tty->buf.tail != NULL)
tty->buf.tail->commit = tty->buf.tail->used;
- }
spin_unlock_irqrestore(&tty->buf.lock, flags);
schedule_delayed_work(&tty->buf.work, 1);
}
@@ -784,11 +778,8 @@ restart:
}
clear_bit(TTY_LDISC, &tty->flags);
- clear_bit(TTY_DONT_FLIP, &tty->flags);
- if (o_tty) {
+ if (o_tty)
clear_bit(TTY_LDISC, &o_tty->flags);
- clear_bit(TTY_DONT_FLIP, &o_tty->flags);
- }
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
/*
@@ -1955,7 +1946,6 @@ static void release_dev(struct file * filp)
* race with the set_ldisc code path.
*/
clear_bit(TTY_LDISC, &tty->flags);
- clear_bit(TTY_DONT_FLIP, &tty->flags);
cancel_delayed_work(&tty->buf.work);
/*
@@ -2775,8 +2765,7 @@ static void flush_to_ldisc(void *private_)
struct tty_struct *tty = (struct tty_struct *) private_;
unsigned long flags;
struct tty_ldisc *disc;
- struct tty_buffer *tbuf;
- int count;
+ struct tty_buffer *tbuf, *head;
char *char_buf;
unsigned char *flag_buf;
@@ -2784,32 +2773,37 @@ static void flush_to_ldisc(void *private_)
if (disc == NULL) /* !TTY_LDISC */
return;
- if (test_bit(TTY_DONT_FLIP, &tty->flags)) {
- /*
- * Do it after the next timer tick:
- */
- schedule_delayed_work(&tty->buf.work, 1);
- goto out;
- }
spin_lock_irqsave(&tty->buf.lock, flags);
- while((tbuf = tty->buf.head) != NULL) {
- while ((count = tbuf->commit - tbuf->read) != 0) {
- char_buf = tbuf->char_buf_ptr + tbuf->read;
- flag_buf = tbuf->flag_buf_ptr + tbuf->read;
- tbuf->read += count;
+ head = tty->buf.head;
+ if (head != NULL) {
+ tty->buf.head = NULL;
+ for (;;) {
+ int count = head->commit - head->read;
+ if (!count) {
+ if (head->next == NULL)
+ break;
+ tbuf = head;
+ head = head->next;
+ tty_buffer_free(tty, tbuf);
+ continue;
+ }
+ if (!tty->receive_room) {
+ schedule_delayed_work(&tty->buf.work, 1);
+ break;
+ }
+ if (count > tty->receive_room)
+ count = tty->receive_room;
+ char_buf = head->char_buf_ptr + head->read;
+ flag_buf = head->flag_buf_ptr + head->read;
+ head->read += count;
spin_unlock_irqrestore(&tty->buf.lock, flags);
disc->receive_buf(tty, char_buf, flag_buf, count);
spin_lock_irqsave(&tty->buf.lock, flags);
}
- if (tbuf->active)
- break;
- tty->buf.head = tbuf->next;
- if (tty->buf.head == NULL)
- tty->buf.tail = NULL;
- tty_buffer_free(tty, tbuf);
+ tty->buf.head = head;
}
spin_unlock_irqrestore(&tty->buf.lock, flags);
-out:
+
tty_ldisc_deref(disc);
}
@@ -2902,10 +2896,8 @@ void tty_flip_buffer_push(struct tty_struct *tty)
{
unsigned long flags;
spin_lock_irqsave(&tty->buf.lock, flags);
- if (tty->buf.tail != NULL) {
- tty->buf.tail->active = 0;
+ if (tty->buf.tail != NULL)
tty->buf.tail->commit = tty->buf.tail->used;
- }
spin_unlock_irqrestore(&tty->buf.lock, flags);
if (tty->low_latency)
diff --git a/drivers/char/watchdog/at91_wdt.c b/drivers/char/watchdog/at91_wdt.c
index ac83bc4b019a..00080655533d 100644
--- a/drivers/char/watchdog/at91_wdt.c
+++ b/drivers/char/watchdog/at91_wdt.c
@@ -17,14 +17,15 @@
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/watchdog.h>
#include <asm/bitops.h>
#include <asm/uaccess.h>
-#define WDT_DEFAULT_TIME 5 /* 5 seconds */
-#define WDT_MAX_TIME 256 /* 256 seconds */
+#define WDT_DEFAULT_TIME 5 /* seconds */
+#define WDT_MAX_TIME 256 /* seconds */
static int wdt_time = WDT_DEFAULT_TIME;
static int nowayout = WATCHDOG_NOWAYOUT;
@@ -32,8 +33,10 @@ static int nowayout = WATCHDOG_NOWAYOUT;
module_param(wdt_time, int, 0);
MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")");
+#ifdef CONFIG_WATCHDOG_NOWAYOUT
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+#endif
static unsigned long at91wdt_busy;
@@ -138,7 +141,7 @@ static int at91_wdt_ioctl(struct inode *inode, struct file *file,
case WDIOC_SETTIMEOUT:
if (get_user(new_value, p))
return -EFAULT;
-
+
if (at91_wdt_settimeout(new_value))
return -EINVAL;
@@ -196,27 +199,84 @@ static struct miscdevice at91wdt_miscdev = {
.fops = &at91wdt_fops,
};
-static int __init at91_wdt_init(void)
+static int __init at91wdt_probe(struct platform_device *pdev)
{
int res;
- /* Check that the heartbeat value is within range; if not reset to the default */
- if (at91_wdt_settimeout(wdt_time)) {
- at91_wdt_settimeout(WDT_DEFAULT_TIME);
- printk(KERN_INFO "at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time);
- }
+ if (at91wdt_miscdev.dev)
+ return -EBUSY;
+ at91wdt_miscdev.dev = &pdev->dev;
res = misc_register(&at91wdt_miscdev);
if (res)
return res;
- printk("AT91 Watchdog Timer enabled (%d seconds, nowayout=%d)\n", wdt_time, nowayout);
+ printk("AT91 Watchdog Timer enabled (%d seconds%s)\n", wdt_time, nowayout ? ", nowayout" : "");
return 0;
}
+static int __exit at91wdt_remove(struct platform_device *pdev)
+{
+ int res;
+
+ res = misc_deregister(&at91wdt_miscdev);
+ if (!res)
+ at91wdt_miscdev.dev = NULL;
+
+ return res;
+}
+
+static void at91wdt_shutdown(struct platform_device *pdev)
+{
+ at91_wdt_stop();
+}
+
+#ifdef CONFIG_PM
+
+static int at91wdt_suspend(struct platform_device *pdev, pm_message_t message)
+{
+ at91_wdt_stop();
+ return 0;
+}
+
+static int at91wdt_resume(struct platform_device *pdev)
+{
+ if (at91wdt_busy)
+ at91_wdt_start();
+ return 0;
+}
+
+#else
+#define at91wdt_suspend NULL
+#define at91wdt_resume NULL
+#endif
+
+static struct platform_driver at91wdt_driver = {
+ .probe = at91wdt_probe,
+ .remove = __exit_p(at91wdt_remove),
+ .shutdown = at91wdt_shutdown,
+ .suspend = at91wdt_suspend,
+ .resume = at91wdt_resume,
+ .driver = {
+ .name = "at91_wdt",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init at91_wdt_init(void)
+{
+ /* Check that the heartbeat value is within range; if not reset to the default */
+ if (at91_wdt_settimeout(wdt_time)) {
+ at91_wdt_settimeout(WDT_DEFAULT_TIME);
+ pr_info("at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time);
+ }
+
+ return platform_driver_register(&at91wdt_driver);
+}
+
static void __exit at91_wdt_exit(void)
{
- misc_deregister(&at91wdt_miscdev);
+ platform_driver_unregister(&at91wdt_driver);
}
module_init(at91_wdt_init);
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index fa2ba9ebe42a..bfbdbbf3c2f2 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -205,6 +205,23 @@ static int tco_timer_set_heartbeat (int t)
return 0;
}
+static int tco_timer_get_timeleft (int *time_left)
+{
+ unsigned char val;
+
+ spin_lock(&tco_lock);
+
+ /* read the TCO Timer */
+ val = inb (TCO1_RLD);
+ val &= 0x3f;
+
+ spin_unlock(&tco_lock);
+
+ *time_left = (int)((val * 6) / 10);
+
+ return 0;
+}
+
/*
* /dev/watchdog handling
*/
@@ -272,6 +289,7 @@ static int i8xx_tco_ioctl (struct inode *inode, struct file *file,
{
int new_options, retval = -EINVAL;
int new_heartbeat;
+ int time_left;
void __user *argp = (void __user *)arg;
int __user *p = argp;
static struct watchdog_info ident = {
@@ -320,7 +338,7 @@ static int i8xx_tco_ioctl (struct inode *inode, struct file *file,
return -EFAULT;
if (tco_timer_set_heartbeat(new_heartbeat))
- return -EINVAL;
+ return -EINVAL;
tco_timer_keepalive ();
/* Fall */
@@ -329,6 +347,14 @@ static int i8xx_tco_ioctl (struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);
+ case WDIOC_GETTIMELEFT:
+ {
+ if (tco_timer_get_timeleft(&time_left))
+ return -EINVAL;
+
+ return put_user(time_left, p);
+ }
+
default:
return -ENOIOCTLCMD;
}
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index 2451edbefece..1f40ecefbf72 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -21,7 +21,7 @@
*/
/*
- * A bells and whistles driver is available from:
+ * A bells and whistles driver is available from:
* http://www.kernel.org/pub/linux/kernel/people/wim/pcwd/pcwd_pci/
*
* More info available at http://www.berkprod.com/ or http://www.pcwatchdog.com/
@@ -390,6 +390,24 @@ static int pcipcwd_get_temperature(int *temperature)
return 0;
}
+static int pcipcwd_get_timeleft(int *time_left)
+{
+ int msb;
+ int lsb;
+
+ /* Read the time that's left before rebooting */
+ /* Note: if the board is not yet armed then we will read 0xFFFF */
+ send_command(CMD_READ_WATCHDOG_TIMEOUT, &msb, &lsb);
+
+ *time_left = (msb << 8) + lsb;
+
+ if (debug >= VERBOSE)
+ printk(KERN_DEBUG PFX "Time left before next reboot: %d\n",
+ *time_left);
+
+ return 0;
+}
+
/*
* /dev/watchdog handling
*/
@@ -512,6 +530,16 @@ static int pcipcwd_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
+
+ if (pcipcwd_get_timeleft(&time_left))
+ return -EFAULT;
+
+ return put_user(time_left, p);
+ }
+
default:
return -ENOIOCTLCMD;
}
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 3fdfda9324fa..0d072bed501d 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -317,6 +317,19 @@ static int usb_pcwd_get_temperature(struct usb_pcwd_private *usb_pcwd, int *temp
return 0;
}
+static int usb_pcwd_get_timeleft(struct usb_pcwd_private *usb_pcwd, int *time_left)
+{
+ unsigned char msb, lsb;
+
+ /* Read the time that's left before rebooting */
+ /* Note: if the board is not yet armed then we will read 0xFFFF */
+ usb_pcwd_send_command(usb_pcwd, CMD_READ_WATCHDOG_TIMEOUT, &msb, &lsb);
+
+ *time_left = (msb << 8) + lsb;
+
+ return 0;
+}
+
/*
* /dev/watchdog handling
*/
@@ -422,6 +435,16 @@ static int usb_pcwd_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
+
+ if (usb_pcwd_get_timeleft(usb_pcwd_device, &time_left))
+ return -EFAULT;
+
+ return put_user(time_left, p);
+ }
+
default:
return -ENOIOCTLCMD;
}
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 935cb2583770..26ceab1e90bb 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -505,7 +505,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
}
}
- if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ)
+ if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ && hwif->err_stops_fifo == 0)
try_to_flush_leftover_data(drive);
if (hwif->INB(IDE_STATUS_REG) & (BUSY_STAT|DRQ_STAT))
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 97a49e77a8f1..32117f0ec5c0 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -597,6 +597,10 @@ u8 eighty_ninty_three (ide_drive_t *drive)
{
if(HWIF(drive)->udma_four == 0)
return 0;
+
+ /* Check for SATA but only if we are ATA5 or higher */
+ if (drive->id->hw_config == 0 && (drive->id->major_rev_num & 0x7FE0))
+ return 1;
if (!(drive->id->hw_config & 0x6000))
return 0;
#ifndef CONFIG_IDEDMA_IVB
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index c743e68c33aa..ff0cdc142f17 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -22,7 +22,7 @@ struct chipset_bus_clock_list_entry {
u8 ultra_settings;
};
-static struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
+static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
{ XFER_UDMA_6, 0x31, 0x07 },
{ XFER_UDMA_5, 0x31, 0x06 },
{ XFER_UDMA_4, 0x31, 0x05 },
@@ -42,7 +42,7 @@ static struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
{ 0, 0x00, 0x00 }
};
-static struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
+static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
{ XFER_UDMA_6, 0x41, 0x06 },
{ XFER_UDMA_5, 0x41, 0x05 },
{ XFER_UDMA_4, 0x41, 0x04 },
@@ -425,12 +425,12 @@ static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_devi
return d->init_setup(dev, d);
}
-static struct pci_device_id aec62xx_pci_tbl[] = {
- { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
- { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
- { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 },
- { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
+static const struct pci_device_id aec62xx_pci_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860), 1 },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R), 2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865), 3 },
+ { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R), 4 },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index 3d9c7afc8695..92b7b1549b16 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -190,14 +190,6 @@ static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count)
#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) */
/*
- * Registers and masks for easy access by drive index:
- */
-#if 0
-static u8 prefetch_regs[4] = {CNTRL, CNTRL, ARTTIM23, ARTTIM23};
-static u8 prefetch_masks[4] = {CNTRL_DIS_RA0, CNTRL_DIS_RA1, ARTTIM23_DIS_RA2, ARTTIM23_DIS_RA3};
-#endif
-
-/*
* This routine writes the prepared setup/active/recovery counts
* for a drive into the cmd646 chipset registers to active them.
*/
@@ -606,13 +598,6 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
class_rev &= 0xff;
-#ifdef __i386__
- if (dev->resource[PCI_ROM_RESOURCE].start) {
- pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
- printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
- }
-#endif
-
switch(dev->device) {
case PCI_DEVICE_ID_CMD_643:
break;
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index acd63173199b..2c9e938dd1cd 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -338,6 +338,8 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
+ hwif->err_stops_fifo = 1;
+
hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
hwif->ide_dma_lostirq = &pdcnew_ide_dma_lostirq;
hwif->ide_dma_timeout = &pdcnew_ide_dma_timeout;
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index 22d17548ecdb..26bc688a1821 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -101,31 +101,6 @@ static const char *pdc_quirk_drives[] = {
#define MC1 0x02 /* DMA"C" timing */
#define MC0 0x01 /* DMA"C" timing */
-#if 0
- unsigned long bibma = pci_resource_start(dev, 4);
- u8 hi = 0, lo = 0;
-
- u8 sc1c = inb_p((u16)bibma + 0x1c);
- u8 sc1e = inb_p((u16)bibma + 0x1e);
- u8 sc1f = inb_p((u16)bibma + 0x1f);
-
- p += sprintf(p, "Host Mode : %s\n",
- (sc1f & 0x08) ? "Tri-Stated" : "Normal");
- p += sprintf(p, "Bus Clocking : %s\n",
- ((sc1f & 0xC0) == 0xC0) ? "100 External" :
- ((sc1f & 0x80) == 0x80) ? "66 External" :
- ((sc1f & 0x40) == 0x40) ? "33 External" : "33 PCI Internal");
- p += sprintf(p, "IO pad select : %s mA\n",
- ((sc1c & 0x03) == 0x03) ? "10" :
- ((sc1c & 0x02) == 0x02) ? "8" :
- ((sc1c & 0x01) == 0x01) ? "6" :
- ((sc1c & 0x00) == 0x00) ? "4" : "??");
- hi = sc1e >> 4;
- lo = sc1e & 0xf;
- p += sprintf(p, "Status Polling Period : %d\n", hi);
- p += sprintf(p, "Interrupt Check Status Polling Delay : %d\n", lo);
-#endif
-
static u8 pdc202xx_ratemask (ide_drive_t *drive)
{
u8 mode;
@@ -505,42 +480,13 @@ static void pdc202xx_reset (ide_drive_t *drive)
pdc202xx_reset_host(hwif);
pdc202xx_reset_host(mate);
-#if 0
- /*
- * FIXME: Have to kick all the drives again :-/
- * What a pain in the ACE!
- */
- if (hwif->present) {
- u16 hunit = 0;
- for (hunit = 0; hunit < MAX_DRIVES; ++hunit) {
- ide_drive_t *hdrive = &hwif->drives[hunit];
- if (hdrive->present) {
- if (hwif->ide_dma_check)
- hwif->ide_dma_check(hdrive);
- else
- hwif->tuneproc(hdrive, 5);
- }
- }
- }
- if (mate->present) {
- u16 munit = 0;
- for (munit = 0; munit < MAX_DRIVES; ++munit) {
- ide_drive_t *mdrive = &mate->drives[munit];
- if (mdrive->present) {
- if (mate->ide_dma_check)
- mate->ide_dma_check(mdrive);
- else
- mate->tuneproc(mdrive, 5);
- }
- }
- }
-#else
hwif->tuneproc(drive, 5);
-#endif
}
-static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev, const char *name)
+static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev,
+ const char *name)
{
+ /* This doesn't appear needed */
if (dev->resource[PCI_ROM_RESOURCE].start) {
pci_write_config_dword(dev, PCI_ROM_ADDRESS,
dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
@@ -548,30 +494,6 @@ static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev, const c
name, dev->resource[PCI_ROM_RESOURCE].start);
}
- /*
- * software reset - this is required because the bios
- * will set UDMA timing on if the hdd supports it. The
- * user may want to turn udma off. A bug in the pdc20262
- * is that it cannot handle a downgrade in timing from
- * UDMA to DMA. Disk accesses after issuing a set
- * feature command will result in errors. A software
- * reset leaves the timing registers intact,
- * but resets the drives.
- */
-#if 0
- if ((dev->device == PCI_DEVICE_ID_PROMISE_20267) ||
- (dev->device == PCI_DEVICE_ID_PROMISE_20265) ||
- (dev->device == PCI_DEVICE_ID_PROMISE_20263) ||
- (dev->device == PCI_DEVICE_ID_PROMISE_20262)) {
- unsigned long high_16 = pci_resource_start(dev, 4);
- byte udma_speed_flag = inb(high_16 + 0x001f);
- outb(udma_speed_flag | 0x10, high_16 + 0x001f);
- mdelay(100);
- outb(udma_speed_flag & ~0x10, high_16 + 0x001f);
- mdelay(2000); /* 2 seconds ?! */
- }
-
-#endif
return dev->irq;
}
@@ -599,6 +521,8 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
+ hwif->err_stops_fifo = 1;
+
hwif->ide_dma_check = &pdc202xx_config_drive_xfer_rate;
hwif->ide_dma_lostirq = &pdc202xx_ide_dma_lostirq;
hwif->ide_dma_timeout = &pdc202xx_ide_dma_timeout;
@@ -687,19 +611,6 @@ static int __devinit init_setup_pdc202ata4(struct pci_dev *dev,
"mirror fixed.\n", d->name);
}
}
-
-#if 0
- if (dev->device == PCI_DEVICE_ID_PROMISE_20262)
- if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
- (tmp & e->mask) != e->val))
-
- if (d->enablebits[0].reg != d->enablebits[1].reg) {
- d->enablebits[0].reg = d->enablebits[1].reg;
- d->enablebits[0].mask = d->enablebits[1].mask;
- d->enablebits[0].val = d->enablebits[1].val;
- }
-#endif
-
return ide_setup_pci_device(dev, d);
}
@@ -714,22 +625,6 @@ static int __devinit init_setup_pdc20265(struct pci_dev *dev,
"attached to I2O RAID controller.\n");
return -ENODEV;
}
-
-#if 0
- {
- u8 pri = 0, sec = 0;
-
- if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
- (tmp & e->mask) != e->val))
-
- if (d->enablebits[0].reg != d->enablebits[1].reg) {
- d->enablebits[0].reg = d->enablebits[1].reg;
- d->enablebits[0].mask = d->enablebits[1].mask;
- d->enablebits[0].val = d->enablebits[1].val;
- }
- }
-#endif
-
return ide_setup_pci_device(dev, d);
}
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 24e21b2838c1..778b82ae964d 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -395,7 +395,6 @@ static int sc1200_resume (struct pci_dev *dev)
{
ide_hwif_t *hwif = NULL;
-printk("SC1200: resume\n");
pci_set_power_state(dev, PCI_D0); // bring chip back from sleep state
dev->current_state = PM_EVENT_ON;
pci_enable_device(dev);
@@ -405,7 +404,6 @@ printk("SC1200: resume\n");
while ((hwif = lookup_pci_dev(hwif, dev)) != NULL) {
unsigned int basereg, r, d, format;
sc1200_saved_state_t *ss = (sc1200_saved_state_t *)hwif->config_data;
-printk("%s: SC1200: resume\n", hwif->name);
//
// Restore timing registers: this may be unnecessary if BIOS also does it
@@ -493,7 +491,7 @@ static int __devinit sc1200_init_one(struct pci_dev *dev, const struct pci_devic
}
static struct pci_device_id sc1200_pci_tbl[] = {
- { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_IDE), 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, sc1200_pci_tbl);
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 0d3073f4eab4..5100b827a935 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -123,11 +123,11 @@ static u8 svwks_csb_check (struct pci_dev *dev)
}
static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
- u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
- u8 dma_modes[] = { 0x77, 0x21, 0x20 };
- u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
- u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
- u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 };
+ static const u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
+ static const u8 dma_modes[] = { 0x77, 0x21, 0x20 };
+ static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
+ static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
+ static const u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 };
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
@@ -392,16 +392,6 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
}
outb_p(0x06, 0x0c00);
dev->irq = inb_p(0x0c01);
-#if 0
- printk("%s: device class (0x%04x)\n",
- name, dev->class);
- if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) {
- dev->class &= ~0x000F0F00;
- // dev->class |= ~0x00000400;
- dev->class |= ~0x00010100;
- /**/
- }
-#endif
} else {
struct pci_dev * findev = NULL;
u8 reg41 = 0;
@@ -452,7 +442,7 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
pci_write_config_byte(dev, 0x5A, btr);
}
- return (dev->irq) ? dev->irq : 0;
+ return dev->irq;
}
static unsigned int __devinit ata66_svwks_svwks (ide_hwif_t *hwif)
@@ -500,11 +490,6 @@ static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
{
struct pci_dev *dev = hwif->pci_dev;
- /* Per Specified Design by OEM, and ASIC Architect */
- if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
- (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
- return 1;
-
/* Server Works */
if (dev->subsystem_vendor == PCI_VENDOR_ID_SERVERWORKS)
return ata66_svwks_svwks (hwif);
@@ -517,10 +502,14 @@ static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN)
return ata66_svwks_cobalt (hwif);
+ /* Per Specified Design by OEM, and ASIC Architect */
+ if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
+ return 1;
+
return 0;
}
-#undef CAN_SW_DMA
static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
{
u8 dma_stat = 0;
@@ -537,9 +526,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
hwif->ultra_mask = 0x3f;
hwif->mwdma_mask = 0x07;
-#ifdef CAN_SW_DMA
- hwif->swdma_mask = 0x07;
-#endif /* CAN_SW_DMA */
hwif->autodma = 0;
@@ -562,8 +548,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
hwif->drives[1].autodma = (dma_stat & 0x40);
hwif->drives[0].autotune = (!(dma_stat & 0x20));
hwif->drives[1].autotune = (!(dma_stat & 0x40));
-// hwif->drives[0].autodma = hwif->autodma;
-// hwif->drives[1].autodma = hwif->autodma;
}
/*
@@ -593,11 +577,6 @@ static int __devinit init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
if (dev->resource[0].start == 0x01f1)
d->bootable = ON_BOARD;
}
-#if 0
- if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_CSB6) &&
- (!(PCI_FUNC(dev->devfn) & 1)))
- d->autodma = AUTODMA;
-#endif
d->channels = ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE ||
dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) &&
@@ -671,11 +650,11 @@ static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device
}
static struct pci_device_id svwks_pci_tbl[] = {
- { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
- { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
- { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
- { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 1},
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2},
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 3},
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 4},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, svwks_pci_tbl);
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index f1ca154dd52c..72dade14c725 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -38,9 +38,6 @@
#include <asm/io.h>
-#undef SIIMAGE_VIRTUAL_DMAPIO
-#undef SIIMAGE_LARGE_DMA
-
/**
* pdev_is_sata - check if device is SATA
* @pdev: PCI device to check
@@ -461,36 +458,6 @@ static int siimage_io_ide_dma_test_irq (ide_drive_t *drive)
return 0;
}
-#if 0
-/**
- * siimage_mmio_ide_dma_count - DMA bytes done
- * @drive
- *
- * If we are doing VDMA the CMD680 requires a little bit
- * of more careful handling and we have to read the counts
- * off ourselves. For non VDMA life is normal.
- */
-
-static int siimage_mmio_ide_dma_count (ide_drive_t *drive)
-{
-#ifdef SIIMAGE_VIRTUAL_DMAPIO
- struct request *rq = HWGROUP(drive)->rq;
- ide_hwif_t *hwif = HWIF(drive);
- u32 count = (rq->nr_sectors * SECTOR_SIZE);
- u32 rcount = 0;
- unsigned long addr = siimage_selreg(hwif, 0x1C);
-
- hwif->OUTL(count, addr);
- rcount = hwif->INL(addr);
-
- printk("\n%s: count = %d, rcount = %d, nr_sectors = %lu\n",
- drive->name, count, rcount, rq->nr_sectors);
-
-#endif /* SIIMAGE_VIRTUAL_DMAPIO */
- return __ide_dma_count(drive);
-}
-#endif
-
/**
* siimage_mmio_ide_dma_test_irq - check we caused an IRQ
* @drive: drive we are testing
@@ -512,12 +479,10 @@ static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive)
u32 sata_error = hwif->INL(SATA_ERROR_REG);
hwif->OUTL(sata_error, SATA_ERROR_REG);
watchdog = (sata_error & 0x00680000) ? 1 : 0;
-#if 1
printk(KERN_WARNING "%s: sata_error = 0x%08x, "
"watchdog = %d, %s\n",
drive->name, sata_error, watchdog,
__FUNCTION__);
-#endif
} else {
watchdog = (ext_stat & 0x8000) ? 1 : 0;
@@ -863,7 +828,7 @@ static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, const ch
* time.
*
* The hardware supports buffered taskfiles and also some rather nice
- * extended PRD tables. Unfortunately right now we don't.
+ * extended PRD tables. For better SI3112 support use the libata driver
*/
static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
@@ -900,9 +865,6 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
* so we can't currently use it sanely since we want to
* use LBA48 mode.
*/
-// base += 0x10;
-// hwif->no_lba48 = 1;
-
hw.io_ports[IDE_DATA_OFFSET] = base;
hw.io_ports[IDE_ERROR_OFFSET] = base + 1;
hw.io_ports[IDE_NSECTOR_OFFSET] = base + 2;
@@ -936,15 +898,8 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
base = (unsigned long) addr;
-#ifdef SIIMAGE_LARGE_DMA
-/* Watch the brackets - even Ken and Dennis get some language design wrong */
- hwif->dma_base = base + (ch ? 0x18 : 0x10);
- hwif->dma_base2 = base + (ch ? 0x08 : 0x00);
- hwif->dma_prdtable = hwif->dma_base2 + 4;
-#else /* ! SIIMAGE_LARGE_DMA */
hwif->dma_base = base + (ch ? 0x08 : 0x00);
hwif->dma_base2 = base + (ch ? 0x18 : 0x10);
-#endif /* SIIMAGE_LARGE_DMA */
hwif->mmio = 2;
}
@@ -1052,9 +1007,16 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
hwif->reset_poll = &siimage_reset_poll;
hwif->pre_reset = &siimage_pre_reset;
- if(is_sata(hwif))
+ if(is_sata(hwif)) {
+ static int first = 1;
+
hwif->busproc = &siimage_busproc;
+ if (first) {
+ printk(KERN_INFO "siimage: For full SATA support you should use the libata sata_sil module.\n");
+ first = 0;
+ }
+ }
if (!hwif->dma_base) {
hwif->drives[0].autotune = 1;
hwif->drives[1].autotune = 1;
@@ -1121,10 +1083,10 @@ static int __devinit siimage_init_one(struct pci_dev *dev, const struct pci_devi
}
static struct pci_device_id siimage_pci_tbl[] = {
- { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680), 0},
#ifdef CONFIG_BLK_DEV_IDE_SATA
- { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
- { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_1210SA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
+ { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_3112), 1},
+ { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_1210SA), 2},
#endif
{ 0, },
};
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 8a5c7b286b2b..900301e43818 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -447,7 +447,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
printk(" %s: Winbond 553 bridge revision %d, BM-DMA disabled\n",
hwif->name, rev);
} else {
-#ifdef CONFIG_BLK_DEV_IDEDMA
dma_state |= 0x60;
hwif->atapi_dma = 1;
@@ -468,7 +467,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
if (hwif->mate)
hwif->serialized = hwif->mate->serialized = 1;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
}
hwif->OUTB(dma_state, hwif->dma_base + 2);
}
@@ -489,7 +487,7 @@ static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_dev
}
static struct pci_device_id sl82c105_pci_tbl[] = {
- { PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_DEVICE(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105), 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, sl82c105_pci_tbl);
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 5112c726633b..0968f6bc669a 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -72,7 +72,8 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio)
u16 master_data;
u8 slave_data;
/* ISP RTC */
- u8 timings[][2] = { { 0, 0 },
+ static const u8 timings[][2]= {
+ { 0, 0 },
{ 0, 0 },
{ 1, 0 },
{ 2, 1 },
@@ -119,7 +120,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
pci_read_config_word(dev, 0x4a, &reg4a);
switch(speed) {
-#ifdef CONFIG_BLK_DEV_IDEDMA
case XFER_UDMA_4: u_speed = 4 << (drive->dn * 4); break;
case XFER_UDMA_3: u_speed = 3 << (drive->dn * 4); break;
case XFER_UDMA_2: u_speed = 2 << (drive->dn * 4); break;
@@ -128,7 +128,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
case XFER_MW_DMA_2:
case XFER_MW_DMA_1:
case XFER_SW_DMA_2: break;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
case XFER_PIO_4:
case XFER_PIO_3:
case XFER_PIO_2:
@@ -156,7 +155,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
return (ide_config_drive_speed(drive, speed));
}
-#ifdef CONFIG_BLK_DEV_IDEDMA
static int slc90e66_config_drive_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive));
@@ -194,7 +192,6 @@ fast_ata_pio:
/* IORDY not supported */
return 0;
}
-#endif /* CONFIG_BLK_DEV_IDEDMA */
static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
{
@@ -222,7 +219,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
-#ifdef CONFIG_BLK_DEV_IDEDMA
if (!(hwif->udma_four))
/* bit[0(1)]: 0:80, 1:40 */
hwif->udma_four = (reg47 & mask) ? 0 : 1;
@@ -232,7 +228,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
hwif->drives[1].autodma = hwif->autodma;
-#endif /* !CONFIG_BLK_DEV_IDEDMA */
}
static ide_pci_device_t slc90e66_chipset __devinitdata = {
@@ -250,7 +245,7 @@ static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_dev
}
static struct pci_device_id slc90e66_pci_tbl[] = {
- { PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1), 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, slc90e66_pci_tbl);
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c
index 6f31f054d1bb..5080e15c6d30 100644
--- a/drivers/input/joystick/db9.c
+++ b/drivers/input/joystick/db9.c
@@ -584,7 +584,7 @@ static struct db9 __init *db9_probe(int parport, int mode)
goto err_out;
}
- if (db9_mode[mode].bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) {
+ if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) {
printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
err = -EINVAL;
goto err_put_pp;
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index ffde8f86e0fb..ce1f10e8984b 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -459,7 +459,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
}
input_regs(dev, regs);
- input_report_key(dev, keycode, value);
+ input_event(dev, EV_KEY, keycode, value);
input_sync(dev);
if (value && add_release_event) {
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index e4e5be111c96..ccf0faeee5c1 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -285,6 +285,15 @@ static struct key_entry keymap_fujitsu_n3510[] = {
{ KE_END, 0 }
};
+static struct key_entry keymap_wistron_ms2111[] = {
+ { KE_KEY, 0x11, KEY_PROG1 },
+ { KE_KEY, 0x12, KEY_PROG2 },
+ { KE_KEY, 0x13, KEY_PROG3 },
+ { KE_KEY, 0x31, KEY_MAIL },
+ { KE_KEY, 0x36, KEY_WWW },
+ { KE_END, 0 }
+};
+
static struct key_entry keymap_wistron_ms2141[] = {
{ KE_KEY, 0x11, KEY_PROG1 },
{ KE_KEY, 0x12, KEY_PROG2 },
@@ -326,6 +335,7 @@ static struct key_entry keymap_aopen_1559as[] = {
{ KE_WIFI, 0x30, 0 },
{ KE_KEY, 0x31, KEY_MAIL },
{ KE_KEY, 0x36, KEY_WWW },
+ { KE_END, 0 },
};
/*
@@ -388,6 +398,15 @@ static struct dmi_system_id dmi_ids[] = {
},
.driver_data = keymap_aopen_1559as
},
+ {
+ .callback = dmi_matched,
+ .ident = "Medion MD 9783",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
+ },
+ .driver_data = keymap_wistron_ms2111
+ },
{ NULL, }
};
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index bccff400b198..f2fc81a9074d 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -162,6 +162,16 @@ config RTC_DRV_PCF8583
This driver can also be built as a module. If so, the module
will be called rtc-pcf8583.
+config RTC_DRV_RS5C348
+ tristate "Ricoh RS5C348A/B"
+ depends on RTC_CLASS && SPI
+ help
+ If you say yes here you get support for the
+ Ricoh RS5C348A and RS5C348B RTC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-rs5c348.
+
config RTC_DRV_RS5C372
tristate "Ricoh RS5C372A/B"
depends on RTC_CLASS && I2C
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 900d210dd1a2..da5e38774e13 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o
obj-$(CONFIG_RTC_DRV_PCF8563) += rtc-pcf8563.o
obj-$(CONFIG_RTC_DRV_PCF8583) += rtc-pcf8583.o
obj-$(CONFIG_RTC_DRV_RS5C372) += rtc-rs5c372.o
+obj-$(CONFIG_RTC_DRV_RS5C348) += rtc-rs5c348.o
obj-$(CONFIG_RTC_DRV_M48T86) += rtc-m48t86.o
obj-$(CONFIG_RTC_DRV_DS1553) += rtc-ds1553.o
obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
new file mode 100644
index 000000000000..0964d1dba925
--- /dev/null
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -0,0 +1,246 @@
+/*
+ * A SPI driver for the Ricoh RS5C348 RTC
+ *
+ * Copyright (C) 2006 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The board specific init code should provide characteristics of this
+ * device:
+ * Mode 1 (High-Active, Shift-Then-Sample), High Avtive CS
+ */
+
+#include <linux/bcd.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/rtc.h>
+#include <linux/workqueue.h>
+#include <linux/spi/spi.h>
+
+#define DRV_VERSION "0.1"
+
+#define RS5C348_REG_SECS 0
+#define RS5C348_REG_MINS 1
+#define RS5C348_REG_HOURS 2
+#define RS5C348_REG_WDAY 3
+#define RS5C348_REG_DAY 4
+#define RS5C348_REG_MONTH 5
+#define RS5C348_REG_YEAR 6
+#define RS5C348_REG_CTL1 14
+#define RS5C348_REG_CTL2 15
+
+#define RS5C348_SECS_MASK 0x7f
+#define RS5C348_MINS_MASK 0x7f
+#define RS5C348_HOURS_MASK 0x3f
+#define RS5C348_WDAY_MASK 0x03
+#define RS5C348_DAY_MASK 0x3f
+#define RS5C348_MONTH_MASK 0x1f
+
+#define RS5C348_BIT_PM 0x20 /* REG_HOURS */
+#define RS5C348_BIT_Y2K 0x80 /* REG_MONTH */
+#define RS5C348_BIT_24H 0x20 /* REG_CTL1 */
+#define RS5C348_BIT_XSTP 0x10 /* REG_CTL2 */
+#define RS5C348_BIT_VDET 0x40 /* REG_CTL2 */
+
+#define RS5C348_CMD_W(addr) (((addr) << 4) | 0x08) /* single write */
+#define RS5C348_CMD_R(addr) (((addr) << 4) | 0x0c) /* single read */
+#define RS5C348_CMD_MW(addr) (((addr) << 4) | 0x00) /* burst write */
+#define RS5C348_CMD_MR(addr) (((addr) << 4) | 0x04) /* burst read */
+
+struct rs5c348_plat_data {
+ struct rtc_device *rtc;
+ int rtc_24h;
+};
+
+static int
+rs5c348_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ struct rs5c348_plat_data *pdata = spi->dev.platform_data;
+ u8 txbuf[5+7], *txp;
+ int ret;
+
+ /* Transfer 5 bytes before writing SEC. This gives 31us for carry. */
+ txp = txbuf;
+ txbuf[0] = RS5C348_CMD_R(RS5C348_REG_CTL2); /* cmd, ctl2 */
+ txbuf[1] = 0; /* dummy */
+ txbuf[2] = RS5C348_CMD_R(RS5C348_REG_CTL2); /* cmd, ctl2 */
+ txbuf[3] = 0; /* dummy */
+ txbuf[4] = RS5C348_CMD_MW(RS5C348_REG_SECS); /* cmd, sec, ... */
+ txp = &txbuf[5];
+ txp[RS5C348_REG_SECS] = BIN2BCD(tm->tm_sec);
+ txp[RS5C348_REG_MINS] = BIN2BCD(tm->tm_min);
+ if (pdata->rtc_24h) {
+ txp[RS5C348_REG_HOURS] = BIN2BCD(tm->tm_hour);
+ } else {
+ /* hour 0 is AM12, noon is PM12 */
+ txp[RS5C348_REG_HOURS] = BIN2BCD((tm->tm_hour + 11) % 12 + 1) |
+ (tm->tm_hour >= 12 ? RS5C348_BIT_PM : 0);
+ }
+ txp[RS5C348_REG_WDAY] = BIN2BCD(tm->tm_wday);
+ txp[RS5C348_REG_DAY] = BIN2BCD(tm->tm_mday);
+ txp[RS5C348_REG_MONTH] = BIN2BCD(tm->tm_mon + 1) |
+ (tm->tm_year >= 100 ? RS5C348_BIT_Y2K : 0);
+ txp[RS5C348_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+ /* write in one transfer to avoid data inconsistency */
+ ret = spi_write_then_read(spi, txbuf, sizeof(txbuf), NULL, 0);
+ udelay(62); /* Tcsr 62us */
+ return ret;
+}
+
+static int
+rs5c348_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ struct rs5c348_plat_data *pdata = spi->dev.platform_data;
+ u8 txbuf[5], rxbuf[7];
+ int ret;
+
+ /* Transfer 5 byte befores reading SEC. This gives 31us for carry. */
+ txbuf[0] = RS5C348_CMD_R(RS5C348_REG_CTL2); /* cmd, ctl2 */
+ txbuf[1] = 0; /* dummy */
+ txbuf[2] = RS5C348_CMD_R(RS5C348_REG_CTL2); /* cmd, ctl2 */
+ txbuf[3] = 0; /* dummy */
+ txbuf[4] = RS5C348_CMD_MR(RS5C348_REG_SECS); /* cmd, sec, ... */
+
+ /* read in one transfer to avoid data inconsistency */
+ ret = spi_write_then_read(spi, txbuf, sizeof(txbuf),
+ rxbuf, sizeof(rxbuf));
+ udelay(62); /* Tcsr 62us */
+ if (ret < 0)
+ return ret;
+
+ tm->tm_sec = BCD2BIN(rxbuf[RS5C348_REG_SECS] & RS5C348_SECS_MASK);
+ tm->tm_min = BCD2BIN(rxbuf[RS5C348_REG_MINS] & RS5C348_MINS_MASK);
+ tm->tm_hour = BCD2BIN(rxbuf[RS5C348_REG_HOURS] & RS5C348_HOURS_MASK);
+ if (!pdata->rtc_24h) {
+ tm->tm_hour %= 12;
+ if (rxbuf[RS5C348_REG_HOURS] & RS5C348_BIT_PM)
+ tm->tm_hour += 12;
+ }
+ tm->tm_wday = BCD2BIN(rxbuf[RS5C348_REG_WDAY] & RS5C348_WDAY_MASK);
+ tm->tm_mday = BCD2BIN(rxbuf[RS5C348_REG_DAY] & RS5C348_DAY_MASK);
+ tm->tm_mon =
+ BCD2BIN(rxbuf[RS5C348_REG_MONTH] & RS5C348_MONTH_MASK) - 1;
+ /* year is 1900 + tm->tm_year */
+ tm->tm_year = BCD2BIN(rxbuf[RS5C348_REG_YEAR]) +
+ ((rxbuf[RS5C348_REG_MONTH] & RS5C348_BIT_Y2K) ? 100 : 0);
+
+ if (rtc_valid_tm(tm) < 0) {
+ dev_err(&spi->dev, "retrieved date/time is not valid.\n");
+ rtc_time_to_tm(0, tm);
+ }
+
+ return 0;
+}
+
+static struct rtc_class_ops rs5c348_rtc_ops = {
+ .read_time = rs5c348_rtc_read_time,
+ .set_time = rs5c348_rtc_set_time,
+};
+
+static struct spi_driver rs5c348_driver;
+
+static int __devinit rs5c348_probe(struct spi_device *spi)
+{
+ int ret;
+ struct rtc_device *rtc;
+ struct rs5c348_plat_data *pdata;
+
+ pdata = kzalloc(sizeof(struct rs5c348_plat_data), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+ spi->dev.platform_data = pdata;
+
+ /* Check D7 of SECOND register */
+ ret = spi_w8r8(spi, RS5C348_CMD_R(RS5C348_REG_SECS));
+ if (ret < 0 || (ret & 0x80)) {
+ dev_err(&spi->dev, "not found.\n");
+ goto kfree_exit;
+ }
+
+ dev_info(&spi->dev, "chip found, driver version " DRV_VERSION "\n");
+ dev_info(&spi->dev, "spiclk %u KHz.\n",
+ (spi->max_speed_hz + 500) / 1000);
+
+ /* turn RTC on if it was not on */
+ ret = spi_w8r8(spi, RS5C348_CMD_R(RS5C348_REG_CTL2));
+ if (ret < 0)
+ goto kfree_exit;
+ if (ret & (RS5C348_BIT_XSTP | RS5C348_BIT_VDET)) {
+ u8 buf[2];
+ if (ret & RS5C348_BIT_VDET)
+ dev_warn(&spi->dev, "voltage-low detected.\n");
+ buf[0] = RS5C348_CMD_W(RS5C348_REG_CTL2);
+ buf[1] = 0;
+ ret = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0);
+ if (ret < 0)
+ goto kfree_exit;
+ }
+
+ ret = spi_w8r8(spi, RS5C348_CMD_R(RS5C348_REG_CTL1));
+ if (ret < 0)
+ goto kfree_exit;
+ if (ret & RS5C348_BIT_24H)
+ pdata->rtc_24h = 1;
+
+ rtc = rtc_device_register(rs5c348_driver.driver.name, &spi->dev,
+ &rs5c348_rtc_ops, THIS_MODULE);
+
+ if (IS_ERR(rtc)) {
+ ret = PTR_ERR(rtc);
+ goto kfree_exit;
+ }
+
+ pdata->rtc = rtc;
+
+ return 0;
+ kfree_exit:
+ kfree(pdata);
+ return ret;
+}
+
+static int __devexit rs5c348_remove(struct spi_device *spi)
+{
+ struct rs5c348_plat_data *pdata = spi->dev.platform_data;
+ struct rtc_device *rtc = pdata->rtc;
+
+ if (rtc)
+ rtc_device_unregister(rtc);
+ kfree(pdata);
+ return 0;
+}
+
+static struct spi_driver rs5c348_driver = {
+ .driver = {
+ .name = "rs5c348",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = rs5c348_probe,
+ .remove = __devexit_p(rs5c348_remove),
+};
+
+static __init int rs5c348_init(void)
+{
+ return spi_register_driver(&rs5c348_driver);
+}
+
+static __exit void rs5c348_exit(void)
+{
+ spi_unregister_driver(&rs5c348_driver);
+}
+
+module_init(rs5c348_init);
+module_exit(rs5c348_exit);
+
+MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
+MODULE_DESCRIPTION("Ricoh RS5C348 RTC driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index b88a7c1158af..bff94541991c 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -131,17 +131,6 @@ static int m68328_console_baud = CONSOLE_BAUD_RATE;
static int m68328_console_cbaud = DEFAULT_CBAUD;
-/*
- * tmp_buf is used as a temporary buffer by serial_write. We need to
- * lock it in case the memcpy_fromfs blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ports, since it significantly saves
- * memory if large numbers of serial ports are open.
- */
-static unsigned char tmp_buf[SERIAL_XMIT_SIZE]; /* This is cheating */
-
static inline int serial_paranoia_check(struct m68k_serial *info,
char *name, const char *routine)
{
@@ -211,16 +200,16 @@ static void rs_stop(struct tty_struct *tty)
if (serial_paranoia_check(info, tty->name, "rs_stop"))
return;
- save_flags(flags); cli();
+ local_irq_save(flags);
uart->ustcnt &= ~USTCNT_TXEN;
- restore_flags(flags);
+ local_irq_restore(flags);
}
static void rs_put_char(char ch)
{
int flags, loops = 0;
- save_flags(flags); cli();
+ local_irq_save(flags);
while (!(UTX & UTX_TX_AVAIL) && (loops < 1000)) {
loops++;
@@ -229,7 +218,7 @@ static void rs_put_char(char ch)
UTX_TXDATA = ch;
udelay(5);
- restore_flags(flags);
+ local_irq_restore(flags);
}
static void rs_start(struct tty_struct *tty)
@@ -241,7 +230,7 @@ static void rs_start(struct tty_struct *tty)
if (serial_paranoia_check(info, tty->name, "rs_start"))
return;
- save_flags(flags); cli();
+ local_irq_save(flags);
if (info->xmit_cnt && info->xmit_buf && !(uart->ustcnt & USTCNT_TXEN)) {
#ifdef USE_INTS
uart->ustcnt |= USTCNT_TXEN | USTCNT_TX_INTR_MASK;
@@ -249,7 +238,7 @@ static void rs_start(struct tty_struct *tty)
uart->ustcnt |= USTCNT_TXEN;
#endif
}
- restore_flags(flags);
+ local_irq_restore(flags);
}
/* Drop into either the boot monitor or kadb upon receiving a break
@@ -327,14 +316,6 @@ static void receive_chars(struct m68k_serial *info, struct pt_regs *regs,
if(!tty)
goto clear_and_exit;
- /*
- * Make sure that we do not overflow the buffer
- */
- if (tty_request_buffer_room(tty, 1) == 0) {
- tty_schedule_flip(tty);
- return;
- }
-
flag = TTY_NORMAL;
if(rx & URX_PARITY_ERROR) {
@@ -473,7 +454,7 @@ static int startup(struct m68k_serial * info)
return -ENOMEM;
}
- save_flags(flags); cli();
+ local_irq_save(flags);
/*
* Clear the FIFO buffers and disable them
@@ -506,7 +487,7 @@ static int startup(struct m68k_serial * info)
change_speed(info);
info->flags |= S_INITIALIZED;
- restore_flags(flags);
+ local_irq_restore(flags);
return 0;
}
@@ -523,7 +504,7 @@ static void shutdown(struct m68k_serial * info)
if (!(info->flags & S_INITIALIZED))
return;
- save_flags(flags); cli(); /* Disable interrupts */
+ local_irq_save(flags);
if (info->xmit_buf) {
free_page((unsigned long) info->xmit_buf);
@@ -534,7 +515,7 @@ static void shutdown(struct m68k_serial * info)
set_bit(TTY_IO_ERROR, &info->tty->flags);
info->flags &= ~S_INITIALIZED;
- restore_flags(flags);
+ local_irq_restore(flags);
}
struct {
@@ -655,24 +636,24 @@ static void rs_fair_output(void)
if (info == 0) return;
if (info->xmit_buf == 0) return;
- save_flags(flags); cli();
+ local_irq_save(flags);
left = info->xmit_cnt;
while (left != 0) {
c = info->xmit_buf[info->xmit_tail];
info->xmit_tail = (info->xmit_tail+1) & (SERIAL_XMIT_SIZE-1);
info->xmit_cnt--;
- restore_flags(flags);
+ local_irq_restore(flags);
rs_put_char(c);
- save_flags(flags); cli();
+ local_irq_save(flags);
left = min(info->xmit_cnt, left-1);
}
/* Last character is being transmitted now (hopefully). */
udelay(5);
- restore_flags(flags);
+ local_irq_restore(flags);
return;
}
@@ -720,11 +701,11 @@ static void rs_flush_chars(struct tty_struct *tty)
#endif
/* Enable transmitter */
- save_flags(flags); cli();
+ local_irq_save(flags);
if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||
!info->xmit_buf) {
- restore_flags(flags);
+ local_irq_restore(flags);
return;
}
@@ -749,7 +730,7 @@ static void rs_flush_chars(struct tty_struct *tty)
while (!(uart->utx.w & UTX_TX_AVAIL)) udelay(5);
}
#endif
- restore_flags(flags);
+ local_irq_restore(flags);
}
extern void console_printn(const char * b, int count);
@@ -768,18 +749,22 @@ static int rs_write(struct tty_struct * tty,
if (!tty || !info->xmit_buf)
return 0;
- save_flags(flags);
+ local_save_flags(flags);
while (1) {
- cli();
+ local_irq_disable();
c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
SERIAL_XMIT_SIZE - info->xmit_head));
+ local_irq_restore(flags);
+
if (c <= 0)
break;
memcpy(info->xmit_buf + info->xmit_head, buf, c);
+
+ local_irq_disable();
info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE-1);
info->xmit_cnt += c;
- restore_flags(flags);
+ local_irq_restore(flags);
buf += c;
count -= c;
total += c;
@@ -787,7 +772,7 @@ static int rs_write(struct tty_struct * tty,
if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) {
/* Enable transmitter */
- cli();
+ local_irq_disable();
#ifndef USE_INTS
while(info->xmit_cnt) {
#endif
@@ -807,9 +792,9 @@ static int rs_write(struct tty_struct * tty,
#ifndef USE_INTS
}
#endif
- restore_flags(flags);
+ local_irq_restore(flags);
}
- restore_flags(flags);
+
return total;
}
@@ -838,12 +823,13 @@ static int rs_chars_in_buffer(struct tty_struct *tty)
static void rs_flush_buffer(struct tty_struct *tty)
{
struct m68k_serial *info = (struct m68k_serial *)tty->driver_data;
+ unsigned long flags;
if (serial_paranoia_check(info, tty->name, "rs_flush_buffer"))
return;
- cli();
+ local_irq_save(flags);
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- sti();
+ local_irq_restore(flags);
tty_wakeup(tty);
}
@@ -973,14 +959,15 @@ static int get_lsr_info(struct m68k_serial * info, unsigned int *value)
m68328_uart *uart = &uart_addr[info->line];
#endif
unsigned char status;
+ unsigned long flags;
- cli();
+ local_irq_save(flags);
#ifdef CONFIG_SERIAL_68328_RTS_CTS
status = (uart->utx.w & UTX_CTS_STAT) ? 1 : 0;
#else
status = 0;
#endif
- sti();
+ local_irq_restore(flags);
put_user(status,value);
return 0;
}
@@ -994,14 +981,13 @@ static void send_break(struct m68k_serial * info, unsigned int duration)
unsigned long flags;
if (!info->port)
return;
- save_flags(flags);
- cli();
+ local_irq_save(flags);
#ifdef USE_INTS
uart->utx.w |= UTX_SEND_BREAK;
msleep_interruptible(duration);
uart->utx.w &= ~UTX_SEND_BREAK;
#endif
- restore_flags(flags);
+ local_irq_restore(flags);
}
static int rs_ioctl(struct tty_struct *tty, struct file * file,
@@ -1060,7 +1046,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file,
(struct serial_struct *) arg);
case TIOCSERGETLSR: /* Get line status register */
if (access_ok(VERIFY_WRITE, (void *) arg,
- sizeof(unsigned int));
+ sizeof(unsigned int)))
return get_lsr_info(info, (unsigned int *) arg);
return -EFAULT;
case TIOCSERGSTRUCT:
@@ -1113,10 +1099,10 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
if (!info || serial_paranoia_check(info, tty->name, "rs_close"))
return;
- save_flags(flags); cli();
+ local_irq_save(flags);
if (tty_hung_up_p(filp)) {
- restore_flags(flags);
+ local_irq_restore(flags);
return;
}
@@ -1138,7 +1124,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
info->count = 0;
}
if (info->count) {
- restore_flags(flags);
+ local_irq_restore(flags);
return;
}
info->flags |= S_CLOSING;
@@ -1186,7 +1172,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
}
info->flags &= ~(S_NORMAL_ACTIVE|S_CLOSING);
wake_up_interruptible(&info->close_wait);
- restore_flags(flags);
+ local_irq_restore(flags);
}
/*
@@ -1262,9 +1248,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
info->count--;
info->blocked_open++;
while (1) {
- cli();
+ local_irq_disable();
m68k_rtsdtr(info, 1);
- sti();
+ local_irq_enable();
current->state = TASK_INTERRUPTIBLE;
if (tty_hung_up_p(filp) ||
!(info->flags & S_INITIALIZED)) {
@@ -1444,7 +1430,7 @@ rs68328_init(void)
return -ENOMEM;
}
- save_flags(flags); cli();
+ local_irq_save(flags);
for(i=0;i<NR_PORTS;i++) {
@@ -1489,7 +1475,7 @@ rs68328_init(void)
serial_pm[i]->data = info;
#endif
}
- restore_flags(flags);
+ local_irq_restore(flags);
return 0;
}
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 89700141f87e..5cacc5e74a92 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -2573,12 +2573,6 @@ static void flush_to_flip_buffer(struct e100_serial *info)
DFLIP(
if (1) {
-
- if (test_bit(TTY_DONT_FLIP, &tty->flags)) {
- DEBUG_LOG(info->line, "*** TTY_DONT_FLIP set flip.count %i ***\n", tty->flip.count);
- DEBUG_LOG(info->line, "*** recv_cnt %i\n", info->recv_cnt);
- } else {
- }
DEBUG_LOG(info->line, "*** rxtot %i\n", info->icount.rx);
DEBUG_LOG(info->line, "ldisc %lu\n", tty->ldisc.chars_in_buffer(tty));
DEBUG_LOG(info->line, "room %lu\n", tty->ldisc.receive_room(tty));
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 7d823705193c..f8262e6ad8d3 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -589,13 +589,6 @@ void jsm_input(struct jsm_channel *ch)
ld = tty_ldisc_ref(tp);
/*
- * If the DONT_FLIP flag is on, don't flush our buffer, and act
- * like the ld doesn't have any space to put the data right now.
- */
- if (test_bit(TTY_DONT_FLIP, &tp->flags))
- len = 0;
-
- /*
* If we were unable to get a reference to the ld,
* don't flush our buffer, and act like the ld doesn't
* have any space to put the data right now.
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 1cea4a6799fe..ed1cdf6ac8f3 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -210,6 +210,7 @@ spi_new_device(struct spi_master *master, struct spi_board_info *chip)
proxy->master = master;
proxy->chip_select = chip->chip_select;
proxy->max_speed_hz = chip->max_speed_hz;
+ proxy->mode = chip->mode;
proxy->irq = chip->irq;
proxy->modalias = chip->modalias;
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 9432c7302275..d7f3f736a692 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -453,8 +453,7 @@ static void ir_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
tty = port->tty;
/*
- * FIXME: must not do this in IRQ context,
- * must honour TTY_DONT_FLIP
+ * FIXME: must not do this in IRQ context
*/
tty->ldisc.receive_buf(
tty,
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 7de66b855d4e..1755dddf1899 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -40,14 +40,14 @@ static int radeon_bl_get_level_brightness(struct radeon_bl_privdata *pdata,
mutex_unlock(&info->bl_mutex);
- if (pdata->negative)
- rlevel = MAX_RADEON_LEVEL - rlevel;
-
if (rlevel < 0)
rlevel = 0;
else if (rlevel > MAX_RADEON_LEVEL)
rlevel = MAX_RADEON_LEVEL;
+ if (pdata->negative)
+ rlevel = MAX_RADEON_LEVEL - rlevel;
+
return rlevel;
}
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