---

yaml --- r: 63518 b: refs/heads/master c: d37a5c3 h: refs/heads/master v: v3
git-mirror · Jul 24, 2007 · 659412f · 659412f
1 parent ef2b0cc
commit 659412f
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Showing 2 changed files with 10 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 85d57238d2ff9d95892dd1f266b85d2359d48dcc
+refs/heads/master: d37a5c3ddf7f57fdc0632e279eabb1772f89dfc5
diff --git a/trunk/drivers/char/watchdog/mv64x60_wdt.c b/trunk/drivers/char/watchdog/mv64x60_wdt.c
@@ -45,6 +45,10 @@ static void __iomem *mv64x60_wdt_regs;
 static int mv64x60_wdt_timeout;
 static unsigned int bus_clk;
 
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
 static void mv64x60_wdt_reg_write(u32 val)
 {
 	/* Allow write only to CTL1 / CTL2 fields, retaining values in
@@ -100,6 +104,9 @@ static int mv64x60_wdt_open(struct inode *inode, struct file *file)
 	if (test_and_set_bit(MV64x60_WDOG_FLAG_OPENED, &wdt_flags))
 		return -EBUSY;
 
+	if (nowayout)
+		__module_get(THIS_MODULE);
+
 	mv64x60_wdt_service();
 	mv64x60_wdt_handler_enable();
 
@@ -110,9 +117,8 @@ static int mv64x60_wdt_release(struct inode *inode, struct file *file)
 {
 	mv64x60_wdt_service();
 
-#if !defined(CONFIG_WATCHDOG_NOWAYOUT)
-	mv64x60_wdt_handler_disable();
-#endif
+	if (!nowayout)
+		mv64x60_wdt_handler_disable();
 
 	clear_bit(MV64x60_WDOG_FLAG_OPENED, &wdt_flags);