diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 10:43:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 10:43:11 -0700 |
| commit | 5704e44d283e907623e3775c1262f206a2c48cf3 (patch) | |
| tree | 0a981b24173e90854e7b7d812b35859e1e5f0174 /arch/cris/arch-v32/drivers/mach-a3/gpio.c | |
| parent | 91151240ed8e97cc4457dae4094153c2744f1eb8 (diff) | |
| parent | 6de5bd128d381ad88ac6d419a5e597048eb468cf (diff) | |
Merge branch 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl:
BKL: introduce CONFIG_BKL.
dabusb: remove the BKL
sunrpc: remove the big kernel lock
init/main.c: remove BKL notations
blktrace: remove the big kernel lock
rtmutex-tester: make it build without BKL
dvb-core: kill the big kernel lock
dvb/bt8xx: kill the big kernel lock
tlclk: remove big kernel lock
fix rawctl compat ioctls breakage on amd64 and itanic
uml: kill big kernel lock
parisc: remove big kernel lock
cris: autoconvert trivial BKL users
alpha: kill big kernel lock
isapnp: BKL removal
s390/block: kill the big kernel lock
hpet: kill BKL, add compat_ioctl
Diffstat (limited to 'arch/cris/arch-v32/drivers/mach-a3/gpio.c')
| -rw-r--r-- | arch/cris/arch-v32/drivers/mach-a3/gpio.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c index 2dcd27adbad..50d1885c479 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c @@ -23,7 +23,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/etraxgpio.h> #include <hwregs/reg_map.h> @@ -66,6 +66,7 @@ static int dp_cnt; #define DP(x) #endif +static DEFINE_MUTEX(gpio_mutex); static char gpio_name[] = "etrax gpio"; #ifdef CONFIG_ETRAX_VIRTUAL_GPIO @@ -391,7 +392,7 @@ static int gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; - lock_kernel(); + mutex_lock(&gpio_mutex); memset(priv, 0, sizeof(*priv)); priv->minor = p; @@ -414,7 +415,7 @@ static int gpio_open(struct inode *inode, struct file *filp) spin_unlock_irq(&gpio_lock); } - unlock_kernel(); + mutex_unlock(&gpio_mutex); return 0; } @@ -667,9 +668,9 @@ static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret; - lock_kernel(); + mutex_lock(&gpio_mutex); ret = gpio_ioctl_unlocked(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&gpio_mutex); return ret; } |