diff options
Diffstat (limited to 'drivers/usb')
41 files changed, 122 insertions, 237 deletions
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index b28336148658..c1b47d74e206 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -532,9 +532,9 @@ static void speedtch_handle_int(struct urb *int_urb, struct pt_regs *regs) int ret = int_urb->status; /* The magic interrupt for "up state" */ - const static unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 }; + static const unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 }; /* The magic interrupt for "down state" */ - const static unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }; + static const unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }; atm_dbg(usbatm, "%s entered\n", __func__); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 248279e44c99..b9fd39fd1b5b 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -335,14 +335,9 @@ next_buffer: dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d\n", buf, buf->size); - for (i = 0; i < buf->size && !acm->throttle; i++) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, - we drop them. */ - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - tty_insert_flip_char(tty, buf->base[i], 0); - } + tty_buffer_request_room(tty, buf->size); + if (!acm->throttle) + tty_insert_flip_string(tty, buf->base, buf->size); tty_flip_buffer_push(tty); spin_lock(&acm->throttle_lock); diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index c44bbedec817..3cf945cc5b9a 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -184,13 +184,13 @@ static void update_bus(struct dentry *bus) bus->d_inode->i_gid = busgid; bus->d_inode->i_mode = S_IFDIR | busmode; - down(&bus->d_inode->i_sem); + mutex_lock(&bus->d_inode->i_mutex); - list_for_each_entry(dev, &bus->d_subdirs, d_child) + list_for_each_entry(dev, &bus->d_subdirs, d_u.d_child) if (dev->d_inode) update_dev(dev); - up(&bus->d_inode->i_sem); + mutex_unlock(&bus->d_inode->i_mutex); } static void update_sb(struct super_block *sb) @@ -201,9 +201,9 @@ static void update_sb(struct super_block *sb) if (!root) return; - down(&root->d_inode->i_sem); + mutex_lock(&root->d_inode->i_mutex); - list_for_each_entry(bus, &root->d_subdirs, d_child) { + list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) { if (bus->d_inode) { switch (S_IFMT & bus->d_inode->i_mode) { case S_IFDIR: @@ -219,7 +219,7 @@ static void update_sb(struct super_block *sb) } } - up(&root->d_inode->i_sem); + mutex_unlock(&root->d_inode->i_mutex); } static int remount(struct super_block *sb, int *flags, char *data) @@ -319,7 +319,7 @@ static int usbfs_empty (struct dentry *dentry) spin_lock(&dcache_lock); list_for_each(list, &dentry->d_subdirs) { - struct dentry *de = list_entry(list, struct dentry, d_child); + struct dentry *de = list_entry(list, struct dentry, d_u.d_child); if (usbfs_positive(de)) { spin_unlock(&dcache_lock); return 0; @@ -333,10 +333,10 @@ static int usbfs_empty (struct dentry *dentry) static int usbfs_unlink (struct inode *dir, struct dentry *dentry) { struct inode *inode = dentry->d_inode; - down(&inode->i_sem); + mutex_lock(&inode->i_mutex); dentry->d_inode->i_nlink--; dput(dentry); - up(&inode->i_sem); + mutex_unlock(&inode->i_mutex); d_delete(dentry); return 0; } @@ -346,7 +346,7 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry) int error = -ENOTEMPTY; struct inode * inode = dentry->d_inode; - down(&inode->i_sem); + mutex_lock(&inode->i_mutex); dentry_unhash(dentry); if (usbfs_empty(dentry)) { dentry->d_inode->i_nlink -= 2; @@ -355,7 +355,7 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry) dir->i_nlink--; error = 0; } - up(&inode->i_sem); + mutex_unlock(&inode->i_mutex); if (!error) d_delete(dentry); dput(dentry); @@ -380,7 +380,7 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig) { loff_t retval = -EINVAL; - down(&file->f_dentry->d_inode->i_sem); + mutex_lock(&file->f_dentry->d_inode->i_mutex); switch(orig) { case 0: if (offset > 0) { @@ -397,7 +397,7 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig) default: break; } - up(&file->f_dentry->d_inode->i_sem); + mutex_unlock(&file->f_dentry->d_inode->i_mutex); return retval; } @@ -480,7 +480,7 @@ static int fs_create_by_name (const char *name, mode_t mode, } *dentry = NULL; - down(&parent->d_inode->i_sem); + mutex_lock(&parent->d_inode->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(dentry)) { if ((mode & S_IFMT) == S_IFDIR) @@ -489,7 +489,7 @@ static int fs_create_by_name (const char *name, mode_t mode, error = usbfs_create (parent->d_inode, *dentry, mode); } else error = PTR_ERR(dentry); - up(&parent->d_inode->i_sem); + mutex_unlock(&parent->d_inode->i_mutex); return error; } @@ -528,7 +528,7 @@ static void fs_remove_file (struct dentry *dentry) if (!parent || !parent->d_inode) return; - down(&parent->d_inode->i_sem); + mutex_lock(&parent->d_inode->i_mutex); if (usbfs_positive(dentry)) { if (dentry->d_inode) { if (S_ISDIR(dentry->d_inode->i_mode)) @@ -538,7 +538,7 @@ static void fs_remove_file (struct dentry *dentry) dput(dentry); } } - up(&parent->d_inode->i_sem); + mutex_unlock(&parent->d_inode->i_mutex); } /* --------------------------------------------------------------------- */ diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 0cea9782d7d4..de59c58896d6 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -1891,7 +1891,7 @@ static int fsync_sub(struct lun *curlun) return -EINVAL; inode = filp->f_dentry->d_inode; - down(&inode->i_sem); + mutex_lock(&inode->i_mutex); current->flags |= PF_SYNCWRITE; rc = filemap_fdatawrite(inode->i_mapping); err = filp->f_op->fsync(filp, filp->f_dentry, 1); @@ -1901,7 +1901,7 @@ static int fsync_sub(struct lun *curlun) if (!rc) rc = err; current->flags &= ~PF_SYNCWRITE; - up(&inode->i_sem); + mutex_unlock(&inode->i_mutex); VLDBG(curlun, "fdatasync -> %d\n", rc); return rc; } diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 5c40980a5bd9..c6c279de832e 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1562,10 +1562,10 @@ restart: spin_unlock_irq (&dev->lock); /* break link to dcache */ - down (&parent->i_sem); + mutex_lock (&parent->i_mutex); d_delete (dentry); dput (dentry); - up (&parent->i_sem); + mutex_unlock (&parent->i_mutex); /* fds may still be open */ goto restart; diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 65e084a2c87e..2e6926b33455 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -1271,6 +1271,7 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet, unsigned int size) unsigned int len; struct gs_port *port; int ret; + struct tty_struct *tty; /* TEMPORARY -- only port 0 is supported right now */ port = dev->dev_port[0]; @@ -1290,7 +1291,10 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet, unsigned int size) goto exit; } - if (port->port_tty == NULL) { + + tty = port->port_tty; + + if (tty == NULL) { printk(KERN_ERR "gs_recv_packet: port=%d, NULL tty pointer\n", port->port_num); ret = -EIO; @@ -1304,20 +1308,13 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet, unsigned int size) goto exit; } - len = (unsigned int)(TTY_FLIPBUF_SIZE - port->port_tty->flip.count); - if (len < size) - size = len; - - if (size > 0) { - memcpy(port->port_tty->flip.char_buf_ptr, packet, size); - port->port_tty->flip.char_buf_ptr += size; - port->port_tty->flip.count += size; + len = tty_buffer_request_room(tty, size); + if (len > 0) { + tty_insert_flip_string(tty, packet, len); tty_flip_buffer_push(port->port_tty); wake_up_interruptible(&port->port_tty->read_wait); } - ret = 0; - exit: spin_unlock(&port->port_lock); return ret; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index ed1899d307db..be3fd9bce573 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -11,14 +11,14 @@ config USB_EHCI_HCD The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0 "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware. If your USB host controller supports USB 2.0, you will likely want to - configure this Host Controller Driver. At this writing, the primary - implementation of EHCI is a chip from NEC, widely available in add-on - PCI cards, but implementations are in the works from other vendors - including Intel and Philips. Motherboard support is appearing. + configure this Host Controller Driver. At the time of this writing, + the primary implementation of EHCI is a chip from NEC, widely available + in add-on PCI cards, but implementations are in the works from other + vendors including Intel and Philips. Motherboard support is appearing. EHCI controllers are packaged with "companion" host controllers (OHCI or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports - will connect to EHCI if it the device is high speed, otherwise they + will connect to EHCI if the device is high speed, otherwise they connect to a companion controller. If you configure EHCI, you should probably configure the OHCI (for NEC and some other vendors) USB Host Controller Driver or UHCI (for Via motherboards) Host Controller diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c index d9cf3b327d96..77cd6ac07e3c 100644 --- a/drivers/usb/host/ohci-au1xxx.c +++ b/drivers/usb/host/ohci-au1xxx.c @@ -19,6 +19,7 @@ */ #include <linux/platform_device.h> +#include <linux/signal.h> #include <asm/mach-au1x00/au1000.h> diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c index 3959ccc88332..0020ed7a39d0 100644 --- a/drivers/usb/host/ohci-lh7a404.c +++ b/drivers/usb/host/ohci-lh7a404.c @@ -17,6 +17,7 @@ */ #include <linux/platform_device.h> +#include <linux/signal.h> #include <asm/hardware.h> diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index c9e29d808711..3785b3f7df1b 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -17,6 +17,7 @@ #include <linux/signal.h> /* SA_INTERRUPT */ #include <linux/jiffies.h> #include <linux/platform_device.h> +#include <linux/clk.h> #include <asm/hardware.h> #include <asm/io.h> @@ -27,7 +28,6 @@ #include <asm/arch/gpio.h> #include <asm/arch/fpga.h> #include <asm/arch/usb.h> -#include <asm/hardware/clock.h> /* OMAP-1510 OHCI has its own MMU for DMA */ diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c index 2ec6a78bd65e..b2a8dfa48870 100644 --- a/drivers/usb/host/ohci-ppc-soc.c +++ b/drivers/usb/host/ohci-ppc-soc.c @@ -15,6 +15,7 @@ */ #include <linux/platform_device.h> +#include <linux/signal.h> /* configure so an HC device and id are always provided */ /* always called with process context; sleeping is OK */ diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 35cc9402adc0..372527a83593 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -20,9 +20,9 @@ */ #include <linux/platform_device.h> +#include <linux/clk.h> #include <asm/hardware.h> -#include <asm/hardware/clock.h> #include <asm/arch/usb-control.h> #define valid_port(idx) ((idx) == 1 || (idx) == 2) @@ -363,7 +363,6 @@ int usb_hcd_s3c2410_probe (const struct hc_driver *driver, goto err1; } - clk_use(clk); s3c2410_start_hc(dev, hcd); hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); @@ -384,7 +383,6 @@ int usb_hcd_s3c2410_probe (const struct hc_driver *driver, err2: s3c2410_stop_hc(dev); iounmap(hcd->regs); - clk_unuse(clk); clk_put(clk); err1: diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 458f2acdeb0a..28538db9eaf3 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -674,7 +674,7 @@ struct vendor_product /* These are taken from the msmUSB.inf file on the Windows driver CD */ -const static struct vendor_product mts_supported_products[] = +static const struct vendor_product mts_supported_products[] = { { "Phantom 336CX", mts_sup_unknown}, { "Phantom 336CX", mts_sup_unknown}, diff --git a/drivers/usb/media/dsbr100.c b/drivers/usb/media/dsbr100.c index 6a5700e9d428..25646804d5be 100644 --- a/drivers/usb/media/dsbr100.c +++ b/drivers/usb/media/dsbr100.c @@ -127,6 +127,7 @@ static struct file_operations usb_dsbr100_fops = { .open = usb_dsbr100_open, .release = usb_dsbr100_close, .ioctl = usb_dsbr100_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; diff --git a/drivers/usb/media/ov511.c b/drivers/usb/media/ov511.c index 3a0e8ce67ebe..8af665bbe330 100644 --- a/drivers/usb/media/ov511.c +++ b/drivers/usb/media/ov511.c @@ -4774,6 +4774,7 @@ static struct file_operations ov511_fops = { .read = ov51x_v4l1_read, .mmap = ov51x_v4l1_mmap, .ioctl = ov51x_v4l1_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; diff --git a/drivers/usb/media/pwc/pwc-if.c b/drivers/usb/media/pwc/pwc-if.c index 09ca6128ac20..4f9b0dc6fd7b 100644 --- a/drivers/usb/media/pwc/pwc-if.c +++ b/drivers/usb/media/pwc/pwc-if.c @@ -154,6 +154,7 @@ static struct file_operations pwc_fops = { .poll = pwc_video_poll, .mmap = pwc_video_mmap, .ioctl = pwc_video_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; static struct video_device pwc_template = { diff --git a/drivers/usb/media/se401.c b/drivers/usb/media/se401.c index b2ae29af5940..2ba562285fda 100644 --- a/drivers/usb/media/se401.c +++ b/drivers/usb/media/se401.c @@ -1193,6 +1193,7 @@ static struct file_operations se401_fops = { .read = se401_read, .mmap = se401_mmap, .ioctl = se401_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; static struct video_device se401_template = { diff --git a/drivers/usb/media/stv680.c b/drivers/usb/media/stv680.c index 774038b352cd..b497a6a0a206 100644 --- a/drivers/usb/media/stv680.c +++ b/drivers/usb/media/stv680.c @@ -1343,6 +1343,7 @@ static struct file_operations stv680_fops = { .read = stv680_read, .mmap = stv680_mmap, .ioctl = stv680_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; static struct video_device stv680_template = { diff --git a/drivers/usb/media/usbvideo.c b/drivers/usb/media/usbvideo.c index 4bd113325ef9..63a72e550a1b 100644 --- a/drivers/usb/media/usbvideo.c +++ b/drivers/usb/media/usbvideo.c @@ -953,6 +953,7 @@ static struct file_operations usbvideo_fops = { .read = usbvideo_v4l_read, .mmap = usbvideo_v4l_mmap, .ioctl = usbvideo_v4l_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; static const struct video_device usbvideo_template = { diff --git a/drivers/usb/media/vicam.c b/drivers/usb/media/vicam.c index 1c73155c8d77..5df144073871 100644 --- a/drivers/usb/media/vicam.c +++ b/drivers/usb/media/vicam.c @@ -1236,6 +1236,7 @@ static struct file_operations vicam_fops = { .read = vicam_read, .mmap = vicam_mmap, .ioctl = vicam_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; diff --git a/drivers/usb/media/w9968cf.c b/drivers/usb/media/w9968cf.c index 04d69339c054..bff9434c8e55 100644 --- a/drivers/usb/media/w9968cf.c +++ b/drivers/usb/media/w9968cf.c @@ -1533,12 +1533,12 @@ static int w9968cf_i2c_attach_inform(struct i2c_client* client) } } else { DBG(4, "Rejected client [%s] with driver [%s]", - client->name, client->driver->name) + client->name, client->driver->driver.name) return -EINVAL; } DBG(5, "I2C attach client [%s] with driver [%s]", - client->name, client->driver->name) + client->name, client->driver->driver.name) return 0; } @@ -3490,6 +3490,7 @@ static struct file_operations w9968cf_fops = { .release = w9968cf_release, .read = w9968cf_read, .ioctl = w9968cf_ioctl, + .compat_ioctl = v4l_compat_ioctl32, .mmap = w9968cf_mmap, .llseek = no_llseek, }; diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 14f55fd26a64..be5dc80836c3 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -84,7 +84,7 @@ config USB_SERIAL_BELKIN config USB_SERIAL_WHITEHEAT tristate "USB ConnectTech WhiteHEAT Serial Driver" - depends on USB_SERIAL && BROKEN_ON_SMP + depends on USB_SERIAL help Say Y here if you want to use a ConnectTech WhiteHEAT 4 port USB to serial converter device. diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 6d18d4eaba35..2357b1d102d7 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -364,7 +364,6 @@ static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs) struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; short todo; - int i; int result; dbg("%s - port %d", __FUNCTION__, port->number); @@ -381,14 +380,8 @@ static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs) return; } if (urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index af18355e94cc..68067fe117a4 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -357,7 +357,7 @@ static int cypress_serial_control (struct usb_serial_port *port, unsigned baud_m } while (retval != 5 && retval != ENODEV); if (retval != 5) { - err("%s - failed to retreive serial line settings - %d", __FUNCTION__, retval); + err("%s - failed to retrieve serial line settings - %d", __FUNCTION__, retval); return retval; } else { spin_lock_irqsave(&priv->lock, flags); @@ -1263,12 +1263,10 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs) /* process read if there is data other than line status */ if (tty && (bytes > i)) { + bytes = tty_buffer_request_room(tty, bytes); for (; i < bytes ; ++i) { dbg("pushing byte number %d - %d - %c", i, data[i], data[i]); - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } tty_insert_flip_char(tty, data[i], tty_flag); } tty_flip_buffer_push(port->tty); diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 8fc414bd5b24..b3f776a90c93 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -946,13 +946,10 @@ dbg( "digi_rx_unthrottle: TOP: port=%d", priv->dp_port_num ); spin_lock_irqsave( &priv->dp_port_lock, flags ); /* send any buffered chars from throttle time on to tty subsystem */ - len = min(priv->dp_in_buf_len, TTY_FLIPBUF_SIZE - tty->flip.count ); + + len = tty_buffer_request_room(tty, priv->dp_in_buf_len); if( len > 0 ) { - memcpy( tty->flip.char_buf_ptr, priv->dp_in_buf, len ); - memcpy( tty->flip.flag_buf_ptr, priv->dp_in_flag_buf, len ); - tty->flip.char_buf_ptr += len; - tty->flip.flag_buf_ptr += len; - tty->flip.count += len; + tty_insert_flip_string_flags(tty, priv->dp_in_buf, priv->dp_in_flag_buf, len); tty_flip_buffer_push( tty ); } @@ -1827,6 +1824,7 @@ static int digi_read_inb_callback( struct urb *urb ) int status = ((unsigned char *)urb->transfer_buffer)[2]; unsigned char *data = ((unsigned char *)urb->transfer_buffer)+3; int flag,throttled; + int i; /* do not process callbacks on closed ports */ /* but do continue the read chain */ @@ -1885,20 +1883,18 @@ static int digi_read_inb_callback( struct urb *urb ) } } else { - - len = min( len, TTY_FLIPBUF_SIZE - tty->flip.count ); - + len = tty_buffer_request_room(tty, len); if( len > 0 ) { - memcpy( tty->flip.char_buf_ptr, data, len ); - memset( tty->flip.flag_buf_ptr, flag, len ); - tty->flip.char_buf_ptr += len; - tty->flip.flag_buf_ptr += len; - tty->flip.count += len; + /* Hot path */ + if(flag == TTY_NORMAL) + tty_insert_flip_string(tty, data, len); + else { + for(i = 0; i < len; i++) + tty_insert_flip_char(tty, data[i], flag); + } tty_flip_buffer_push( tty ); } - } - } spin_unlock( &priv->dp_port_lock ); diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index 79a766e9ca23..63f7c78a1152 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -344,7 +344,6 @@ static void empeg_read_bulk_callback (struct urb *urb, struct pt_regs *regs) struct usb_serial_port *port = (struct usb_serial_port *)urb->context; struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; - int i; int result; dbg("%s - port %d", __FUNCTION__, port->number); @@ -359,19 +358,8 @@ static void empeg_read_bulk_callback (struct urb *urb, struct pt_regs *regs) tty = port->tty; if (urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* gb - 2000/11/13 - * If we insert too many characters we'll overflow the buffer. - * This means we'll lose bytes - Decidedly bad. - */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - tty_insert_flip_char(tty, data[i], 0); - } - /* gb - 2000/11/13 - * Goes straight through instead of scheduling - if tty->low_latency is set. - */ + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); bytes_in += urb->actual_length; } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index eb863b3f2d79..10bc1bf23b35 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1610,24 +1610,11 @@ static void ftdi_process_read (void *param) length = 0; } - /* have to make sure we don't overflow the buffer - with tty_insert_flip_char's */ - if (tty->flip.count+length > TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - need_flip = 0; - - if (tty->flip.count != 0) { - /* flip didn't work, this happens when ftdi_process_read() is - * called from ftdi_unthrottle, because TTY_DONT_FLIP is set */ - dbg("%s - flip buffer push failed", __FUNCTION__); - break; - } - } if (priv->rx_flags & THROTTLED) { dbg("%s - throttled", __FUNCTION__); break; } - if (tty->ldisc.receive_room(tty)-tty->flip.count < length) { + if (tty_buffer_request_room(tty, length) < length) { /* break out & wait for throttling/unthrottling to happen */ dbg("%s - receive room low", __FUNCTION__); break; diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 452efce72714..d6f55e9dccae 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -275,23 +275,14 @@ static void send_to_tty(struct usb_serial_port *port, char *data, unsigned int actual_length) { struct tty_struct *tty = port->tty; - int i; if (tty && actual_length) { usb_serial_debug_data(debug, &port->dev, __FUNCTION__, actual_length, data); - for (i = 0; i < actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, - we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless - tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, actual_length); + tty_insert_flip_string(tty, data, actual_length); tty_flip_buffer_push(tty); } } diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 4ddac620fc0c..476cda107f4f 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -254,7 +254,6 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb, struct pt_regs *reg struct usb_serial *serial = port->serial; struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; - int i; int result; dbg("%s - port %d", __FUNCTION__, port->number); @@ -268,14 +267,8 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb, struct pt_regs *reg tty = port->tty; if (tty && urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index faedbeb6ba49..3f29e6b0fd19 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -1965,20 +1965,14 @@ static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned c int cnt; do { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - dev_err(dev, "%s - dropping data, %d bytes lost\n", - __FUNCTION__, length); - return; - } + cnt = tty_buffer_request_room(tty, length); + if (cnt < length) { + dev_err(dev, "%s - dropping data, %d bytes lost\n", + __FUNCTION__, length - cnt); + if(cnt == 0) + break; } - cnt = min(length, TTY_FLIPBUF_SIZE - tty->flip.count); - memcpy(tty->flip.char_buf_ptr, data, cnt); - memset(tty->flip.flag_buf_ptr, 0, cnt); - tty->flip.char_buf_ptr += cnt; - tty->flip.flag_buf_ptr += cnt; - tty->flip.count += cnt; + tty_insert_flip_string(tty, data, cnt); data += cnt; length -= cnt; } while (length > 0); diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 2edf9cabad20..afc0f34b3a46 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1865,20 +1865,14 @@ static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned c int cnt; do { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - dev_err(dev, "%s - dropping data, %d bytes lost\n", - __FUNCTION__, length); - return; - } + cnt = tty_buffer_request_room(tty, length); + if (cnt < length) { + dev_err(dev, "%s - dropping data, %d bytes lost\n", + __FUNCTION__, length - cnt); + if(cnt == 0) + break; } - cnt = min(length, TTY_FLIPBUF_SIZE - tty->flip.count); - memcpy(tty->flip.char_buf_ptr, data, cnt); - memset(tty->flip.flag_buf_ptr, 0, cnt); - tty->flip.char_buf_ptr += cnt; - tty->flip.flag_buf_ptr += cnt; - tty->flip.count += cnt; + tty_insert_flip_string(tty, data, cnt); data += cnt; length -= cnt; } while (length > 0); diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 06d07cea0b70..9a5c97989562 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -711,7 +711,7 @@ static void ipaq_read_bulk_callback(struct urb *urb, struct pt_regs *regs) struct usb_serial_port *port = (struct usb_serial_port *)urb->context; struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; - int i, result; + int result; dbg("%s - port %d", __FUNCTION__, port->number); @@ -724,14 +724,8 @@ static void ipaq_read_bulk_callback(struct urb *urb, struct pt_regs *regs) tty = port->tty; if (tty && urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); bytes_in += urb->actual_length; } diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 2dd191f5fe76..e760a70242c1 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -166,7 +166,6 @@ static void ipw_read_bulk_callback(struct urb *urb, struct pt_regs *regs) struct usb_serial_port *port = urb->context; unsigned char *data = urb->transfer_buffer; struct tty_struct *tty; - int i; int result; dbg("%s - port %d", __FUNCTION__, port->number); @@ -180,14 +179,8 @@ static void ipw_read_bulk_callback(struct urb *urb, struct pt_regs *regs) tty = port->tty; if (tty && urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 4e2f7dfb58b2..78335a5f7743 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -648,7 +648,6 @@ static void klsi_105_read_bulk_callback (struct urb *urb, struct pt_regs *regs) usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data); } else { - int i; int bytes_sent = ((__u8 *) data)[0] + ((unsigned int) ((__u8 *) data)[1] << 8); tty = port->tty; @@ -669,16 +668,8 @@ static void klsi_105_read_bulk_callback (struct urb *urb, struct pt_regs *regs) bytes_sent = urb->actual_length - 2; } - for (i = 2; i < 2+bytes_sent; i++) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, - * we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless - * tty->low_latency is set */ - tty_insert_flip_char(tty, ((__u8*) data)[i], 0); - } + tty_buffer_request_room(tty, bytes_sent); + tty_insert_flip_string(tty, data + 2, bytes_sent); tty_flip_buffer_push(tty); /* again lockless, but debug info only */ diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index d9c21e275130..b8b213185d0f 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -365,7 +365,6 @@ static void kobil_close (struct usb_serial_port *port, struct file *filp) static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs) { - int i; int result; struct usb_serial_port *port = (struct usb_serial_port *) purb->context; struct tty_struct *tty; @@ -397,14 +396,8 @@ static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs) */ // END DEBUG - for (i = 0; i < purb->actual_length; ++i) { - // if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - // this doesn't actually push the data through unless tty->low_latency is set - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, purb->actual_length); + tty_insert_flip_string(tty, data, purb->actual_length); tty_flip_buffer_push(tty); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 3fd2405304fd..52bdf6fe46f2 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -321,7 +321,7 @@ static int option_write(struct usb_serial_port *port, static void option_indat_callback(struct urb *urb, struct pt_regs *regs) { - int i, err; + int err; int endpoint; struct usb_serial_port *port; struct tty_struct *tty; @@ -338,11 +338,8 @@ static void option_indat_callback(struct urb *urb, struct pt_regs *regs) } else { tty = port->tty; if (urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - tty_flip_buffer_push(tty); - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } else { dbg("%s: empty read urb received", __FUNCTION__); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index f03721056190..9ffff1938239 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -924,16 +924,12 @@ static void pl2303_read_bulk_callback (struct urb *urb, struct pt_regs *regs) tty = port->tty; if (tty && urb->actual_length) { + tty_buffer_request_room(tty, urb->actual_length + 1); /* overrun is special, not associated with a char */ if (status & UART_OVERRUN_ERROR) tty_insert_flip_char(tty, 0, TTY_OVERRUN); - - for (i = 0; i < urb->actual_length; ++i) { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } + for (i = 0; i < urb->actual_length; ++i) tty_insert_flip_char (tty, data[i], tty_flag); - } tty_flip_buffer_push (tty); } diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index abb830cb77bd..c18db3257073 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1280,24 +1280,18 @@ static void ti_recv(struct device *dev, struct tty_struct *tty, int cnt; do { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - dev_err(dev, "%s - dropping data, %d bytes lost\n", __FUNCTION__, length); - return; - } + cnt = tty_buffer_request_room(tty, length); + if (cnt < length) { + dev_err(dev, "%s - dropping data, %d bytes lost\n", __FUNCTION__, length - cnt); + if(cnt == 0) + break; } - cnt = min(length, TTY_FLIPBUF_SIZE - tty->flip.count); - memcpy(tty->flip.char_buf_ptr, data, cnt); - memset(tty->flip.flag_buf_ptr, 0, cnt); - tty->flip.char_buf_ptr += cnt; - tty->flip.flag_buf_ptr += cnt; - tty->flip.count += cnt; + tty_insert_flip_string(tty, data, cnt); + tty_flip_buffer_push(tty); data += cnt; length -= cnt; } while (length > 0); - tty_flip_buffer_push(tty); } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8bc8337c99c4..4dd6865d32b0 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -584,7 +584,7 @@ static struct usb_serial_driver *search_serial_device(struct usb_interface *ifac const struct usb_device_id *id; struct usb_serial_driver *t; - /* List trough know devices and see if the usb id matches */ + /* Check if the usb id matches a known device */ list_for_each(p, &usb_serial_driver_list) { t = list_entry(p, struct usb_serial_driver, driver_list); id = usb_match_id(iface, t->id_table); diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 49b1fbe61f25..bce3d55affd8 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -488,7 +488,6 @@ static void visor_read_bulk_callback (struct urb *urb, struct pt_regs *regs) unsigned char *data = urb->transfer_buffer; struct tty_struct *tty; unsigned long flags; - int i; int throttled; int result; @@ -503,14 +502,8 @@ static void visor_read_bulk_callback (struct urb *urb, struct pt_regs *regs) tty = port->tty; if (tty && urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } spin_lock_irqsave(&priv->lock, flags); diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index a7c3c4734d83..557411c6e7c7 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -1434,7 +1434,9 @@ static void rx_data_softint(void *private) urb = wrap->urb; if (tty && urb->actual_length) { - if (urb->actual_length > TTY_FLIPBUF_SIZE - tty->flip.count) { + int len = tty_buffer_request_room(tty, urb->actual_length); + /* This stuff can go away now I suspect */ + if (unlikely(len < urb->actual_length)) { spin_lock_irqsave(&info->lock, flags); list_add(tmp, &info->rx_urb_q); spin_unlock_irqrestore(&info->lock, flags); @@ -1442,11 +1444,8 @@ static void rx_data_softint(void *private) schedule_work(&info->rx_work); return; } - - memcpy(tty->flip.char_buf_ptr, urb->transfer_buffer, urb->actual_length); - tty->flip.char_buf_ptr += urb->actual_length; - tty->flip.count += urb->actual_length; - sent += urb->actual_length; + tty_insert_flip_string(tty, urb->transfer_buffer, len); + sent += len; } urb->dev = port->serial->dev; |
