diff options
| author | Alan Cox <alan@redhat.com> | 2008-05-19 14:06:36 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2008-06-13 18:49:29 +0000 |
| commit | 00e9c2059aba0a0d67d144229bac82d403c2f42a (patch) | |
| tree | f225d4c497e27468a7e02ac681d0192fc86c08b7 /drivers/watchdog | |
| parent | 9a5f50d34b0927d2f43549b6d172b8f458b6b620 (diff) | |
[WATCHDOG 20/57] booke watchdog: clean up and unlocked_ioctl
Review and switch to unlocked_ioctl
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/booke_wdt.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index c1ba0db4850..4c423d531a8 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c @@ -18,9 +18,9 @@ #include <linux/miscdevice.h> #include <linux/notifier.h> #include <linux/watchdog.h> +#include <linux/uaccess.h> #include <asm/reg_booke.h> -#include <asm/uaccess.h> #include <asm/system.h> /* If the kernel parameter wdt=1, the watchdog will be enabled at boot. @@ -32,7 +32,7 @@ */ #ifdef CONFIG_FSL_BOOKE -#define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz , reset=~40sec */ +#define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz,reset=~40sec */ #else #define WDT_PERIOD_DEFAULT 3 /* Refer to the PPC40x and PPC4xx manuals */ #endif /* for timing information */ @@ -82,16 +82,15 @@ static struct watchdog_info ident = { .identity = "PowerPC Book-E Watchdog", }; -static int booke_wdt_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long booke_wdt_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) { u32 tmp = 0; u32 __user *p = (u32 __user *)arg; switch (cmd) { case WDIOC_GETSUPPORT: - if (copy_to_user((struct watchdog_info __user *)arg, &ident, - sizeof(struct watchdog_info))) + if (copy_to_user(arg, &ident, sizeof(struct watchdog_info))) return -EFAULT; case WDIOC_GETSTATUS: return put_user(ident.options, p); @@ -106,7 +105,8 @@ static int booke_wdt_ioctl(struct inode *inode, struct file *file, case WDIOC_SETTIMEOUT: if (get_user(booke_wdt_period, p)) return -EFAULT; - mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period)); + mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP(0)) | + WDTP(booke_wdt_period)); return 0; case WDIOC_GETTIMEOUT: return put_user(booke_wdt_period, p); @@ -132,8 +132,9 @@ static int booke_wdt_open(struct inode *inode, struct file *file) if (booke_wdt_enabled == 0) { booke_wdt_enabled = 1; on_each_cpu(__booke_wdt_enable, NULL, 0, 0); - printk(KERN_INFO "PowerPC Book-E Watchdog Timer Enabled " - "(wdt_period=%d)\n", booke_wdt_period); + printk(KERN_INFO + "PowerPC Book-E Watchdog Timer Enabled (wdt_period=%d)\n", + booke_wdt_period); } spin_unlock(&booke_wdt_lock); @@ -144,7 +145,7 @@ static const struct file_operations booke_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, .write = booke_wdt_write, - .ioctl = booke_wdt_ioctl, + .unlocked_ioctl = booke_wdt_ioctl, .open = booke_wdt_open, }; @@ -175,8 +176,9 @@ static int __init booke_wdt_init(void) spin_lock(&booke_wdt_lock); if (booke_wdt_enabled == 1) { - printk(KERN_INFO "PowerPC Book-E Watchdog Timer Enabled " - "(wdt_period=%d)\n", booke_wdt_period); + printk(KERN_INFO + "PowerPC Book-E Watchdog Timer Enabled (wdt_period=%d)\n", + booke_wdt_period); on_each_cpu(__booke_wdt_enable, NULL, 0, 0); } spin_unlock(&booke_wdt_lock); |