提交 696e65c3 编写于 作者: L Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  watchdog: booke_wdt: fix build - unconstify watchdog_info
  watchdog: sbc_fitpc2_wdt: fixed "scheduling while atomic" bug.
  watchdog: sbc_fitpc2_wdt: fixed I/O operations order
  Watchdog: sb_wdog.c: Fix sibyte watchdog initialization
......@@ -121,7 +121,7 @@ static ssize_t booke_wdt_write(struct file *file, const char __user *buf,
return count;
}
static const struct watchdog_info ident = {
static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
.identity = "PowerPC Book-E Watchdog",
};
......
......@@ -67,8 +67,8 @@ static DEFINE_SPINLOCK(sbwd_lock);
void sbwdog_set(char __iomem *wdog, unsigned long t)
{
spin_lock(&sbwd_lock);
__raw_writeb(0, wdog - 0x10);
__raw_writeq(t & 0x7fffffUL, wdog);
__raw_writeb(0, wdog);
__raw_writeq(t & 0x7fffffUL, wdog - 0x10);
spin_unlock(&sbwd_lock);
}
......
......@@ -30,7 +30,7 @@
static int nowayout = WATCHDOG_NOWAYOUT;
static unsigned int margin = 60; /* (secs) Default is 1 minute */
static unsigned long wdt_status;
static DEFINE_SPINLOCK(wdt_lock);
static DEFINE_MUTEX(wdt_lock);
#define WDT_IN_USE 0
#define WDT_OK_TO_CLOSE 1
......@@ -45,26 +45,26 @@ static DEFINE_SPINLOCK(wdt_lock);
static void wdt_send_data(unsigned char command, unsigned char data)
{
outb(command, COMMAND_PORT);
msleep(100);
outb(data, DATA_PORT);
msleep(200);
outb(command, COMMAND_PORT);
msleep(100);
}
static void wdt_enable(void)
{
spin_lock(&wdt_lock);
mutex_lock(&wdt_lock);
wdt_send_data(IFACE_ON_COMMAND, 1);
wdt_send_data(REBOOT_COMMAND, margin);
spin_unlock(&wdt_lock);
mutex_unlock(&wdt_lock);
}
static void wdt_disable(void)
{
spin_lock(&wdt_lock);
mutex_lock(&wdt_lock);
wdt_send_data(IFACE_ON_COMMAND, 0);
wdt_send_data(REBOOT_COMMAND, 0);
spin_unlock(&wdt_lock);
mutex_unlock(&wdt_lock);
}
static int fitpc2_wdt_open(struct inode *inode, struct file *file)
......
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