diff options
Diffstat (limited to 'arch/cris/arch-v32')
-rw-r--r-- | arch/cris/arch-v32/drivers/Kconfig | 16 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/i2c.c | 22 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/pcf8563.c | 21 | ||||
-rw-r--r-- | arch/cris/arch-v32/kernel/crisksyms.c | 4 | ||||
-rw-r--r-- | arch/cris/arch-v32/kernel/irq.c | 14 | ||||
-rw-r--r-- | arch/cris/arch-v32/kernel/smp.c | 4 |
6 files changed, 41 insertions, 40 deletions
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index b9e328e688be..a2dd740c5907 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -360,24 +360,10 @@ config ETRAX_SER4_DSR_BIT string "Ser 4 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 -config ETRAX_SER3_CD_BIT +config ETRAX_SER4_CD_BIT string "Ser 4 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 -config ETRAX_RS485 - bool "RS-485 support" - depends on ETRAXFS_SERIAL - help - Enables support for RS-485 serial communication. For a primer on - RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>. - -config ETRAX_RS485_DISABLE_RECEIVER - bool "Disable serial receiver" - depends on ETRAX_RS485 - help - It is necessary to disable the serial receiver to avoid serial - loopback. Not all products are able to do this in software only. - config ETRAX_SYNCHRONOUS_SERIAL bool "Synchronous serial-port support" depends on ETRAX_ARCH_V32 diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index 506826399ae7..2fd6a740d895 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -649,10 +649,10 @@ i2c_release(struct inode *inode, struct file *filp) /* Main device API. ioctl's to write or read to/from i2c registers. */ -static int -i2c_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long +i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + int ret; if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) { return -ENOTTY; } @@ -665,9 +665,13 @@ i2c_ioctl(struct inode *inode, struct file *file, I2C_ARGREG(arg), I2C_ARGVALUE(arg))); - return i2c_writereg(I2C_ARGSLAVE(arg), + lock_kernel(); + ret = i2c_writereg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg), I2C_ARGVALUE(arg)); + unlock_kernel(); + return ret; + case I2C_READREG: { unsigned char val; @@ -675,7 +679,9 @@ i2c_ioctl(struct inode *inode, struct file *file, D(printk("i2cr %d %d ", I2C_ARGSLAVE(arg), I2C_ARGREG(arg))); + lock_kernel(); val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg)); + unlock_kernel(); D(printk("= %d\n", val)); return val; } @@ -688,10 +694,10 @@ i2c_ioctl(struct inode *inode, struct file *file, } static const struct file_operations i2c_fops = { - .owner = THIS_MODULE, - .ioctl = i2c_ioctl, - .open = i2c_open, - .release = i2c_release, + .owner = THIS_MODULE, + .unlocked_ioctl = i2c_ioctl, + .open = i2c_open, + .release = i2c_release, }; static int __init i2c_init(void) diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c index f4478506e52c..bef6eb53b153 100644 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ b/arch/cris/arch-v32/drivers/pcf8563.c @@ -24,6 +24,7 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/ioctl.h> +#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/bcd.h> #include <linux/mutex.h> @@ -49,7 +50,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ static const unsigned char days_in_month[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; -int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); +static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* Cache VL bit value read at driver init since writing the RTC_SECOND * register clears the VL status. @@ -57,8 +58,8 @@ int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); static int voltage_low; static const struct file_operations pcf8563_fops = { - .owner = THIS_MODULE, - .ioctl = pcf8563_ioctl + .owner = THIS_MODULE, + .unlocked_ioctl = pcf8563_unlocked_ioctl, }; unsigned char @@ -208,8 +209,7 @@ pcf8563_exit(void) * ioctl calls for this driver. Why return -ENOTTY upon error? Because * POSIX says so! */ -int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { /* Some sanity checks. */ if (_IOC_TYPE(cmd) != RTC_MAGIC) @@ -335,6 +335,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } +static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + return pcf8563_ioctl(filp, cmd, arg); + unlock_kernel(); + + return ret; +} + static int __init pcf8563_register(void) { if (pcf8563_init() < 0) { diff --git a/arch/cris/arch-v32/kernel/crisksyms.c b/arch/cris/arch-v32/kernel/crisksyms.c index 64933e2c0f5b..bde8d1a10cad 100644 --- a/arch/cris/arch-v32/kernel/crisksyms.c +++ b/arch/cris/arch-v32/kernel/crisksyms.c @@ -24,5 +24,5 @@ EXPORT_SYMBOL(crisv32_io_get_name); EXPORT_SYMBOL(crisv32_io_get); /* Functions masking/unmasking interrupts */ -EXPORT_SYMBOL(mask_irq); -EXPORT_SYMBOL(unmask_irq); +EXPORT_SYMBOL(crisv32_mask_irq); +EXPORT_SYMBOL(crisv32_unmask_irq); diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c index b6241198fb98..0b1febe44aa3 100644 --- a/arch/cris/arch-v32/kernel/irq.c +++ b/arch/cris/arch-v32/kernel/irq.c @@ -280,8 +280,7 @@ out: return cpu; } -void -mask_irq(int irq) +void crisv32_mask_irq(int irq) { int cpu; @@ -289,8 +288,7 @@ mask_irq(int irq) block_irq(irq, cpu); } -void -unmask_irq(int irq) +void crisv32_unmask_irq(int irq) { unblock_irq(irq, irq_cpu(irq)); } @@ -298,23 +296,23 @@ unmask_irq(int irq) static unsigned int startup_crisv32_irq(unsigned int irq) { - unmask_irq(irq); + crisv32_unmask_irq(irq); return 0; } static void shutdown_crisv32_irq(unsigned int irq) { - mask_irq(irq); + crisv32_mask_irq(irq); } static void enable_crisv32_irq(unsigned int irq) { - unmask_irq(irq); + crisv32_unmask_irq(irq); } static void disable_crisv32_irq(unsigned int irq) { - mask_irq(irq); + crisv32_mask_irq(irq); } static void ack_crisv32_irq(unsigned int irq) diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 058adddf4e4b..84fed3b4b079 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -168,8 +168,8 @@ void __init smp_callin(void) /* Enable IRQ and idle */ REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask); - unmask_irq(IPI_INTR_VECT); - unmask_irq(TIMER0_INTR_VECT); + crisv32_unmask_irq(IPI_INTR_VECT); + crisv32_unmask_irq(TIMER0_INTR_VECT); preempt_disable(); notify_cpu_starting(cpu); local_irq_enable(); |