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| author | Takashi Iwai <tiwai@suse.de> | 2010-08-18 15:17:30 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-08-18 15:17:30 +0200 |
| commit | 6ab561c8aab2e4af535f09adbc6253f958536848 (patch) | |
| tree | 37846adb4ea106485720d113e252d71d615c23ed /drivers/sbus/char/display7seg.c | |
| parent | ALSA: usb: USB3 SuperSpeed sound support (diff) | |
| parent | ALSA: ISA: Remove snd-sgalaxy (diff) | |
| download | linux-6ab561c8aab2e4af535f09adbc6253f958536848.tar.xz linux-6ab561c8aab2e4af535f09adbc6253f958536848.zip | |
Merge branch 'topic/isa' into topic/misc
Diffstat (limited to 'drivers/sbus/char/display7seg.c')
| -rw-r--r-- | drivers/sbus/char/display7seg.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c index 7baf1b644039..47db97583ea7 100644 --- a/drivers/sbus/char/display7seg.c +++ b/drivers/sbus/char/display7seg.c @@ -13,7 +13,7 @@ #include <linux/miscdevice.h> #include <linux/ioport.h> /* request_region */ #include <linux/slab.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_device.h> #include <asm/atomic.h> @@ -26,6 +26,7 @@ #define DRIVER_NAME "d7s" #define PFX DRIVER_NAME ": " +static DEFINE_MUTEX(d7s_mutex); static int sol_compat = 0; /* Solaris compatibility mode */ /* Solaris compatibility flag - @@ -74,7 +75,6 @@ static int d7s_open(struct inode *inode, struct file *f) { if (D7S_MINOR != iminor(inode)) return -ENODEV; - cycle_kernel_lock(); atomic_inc(&d7s_users); return 0; } @@ -110,7 +110,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (D7S_MINOR != iminor(file->f_path.dentry->d_inode)) return -ENODEV; - lock_kernel(); + mutex_lock(&d7s_mutex); switch (cmd) { case D7SIOCWR: /* assign device register values we mask-out D7S_FLIP @@ -151,7 +151,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg) writeb(regs, p->regs); break; }; - unlock_kernel(); + mutex_unlock(&d7s_mutex); return error; } @@ -277,12 +277,12 @@ static struct of_platform_driver d7s_driver = { static int __init d7s_init(void) { - return of_register_driver(&d7s_driver, &of_bus_type); + return of_register_platform_driver(&d7s_driver); } static void __exit d7s_exit(void) { - of_unregister_driver(&d7s_driver); + of_unregister_platform_driver(&d7s_driver); } module_init(d7s_init); |