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authorDavid Engraf2011-07-20 15:03:39 +0200
committerPaul Mundt2011-07-21 09:17:07 +0200
commitb4300b72cfc01ea75b8aaede574bdfb04545d691 (patch)
tree1cfde16f8a5b2715c105afc3c54727dbd368ef5f /drivers
parentclocksource: sh_cmt: wait for CMCNT on init V2 (diff)
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shwdt: fix usage of mod_timer
This patch fixes the usage of mod_timer and makes the driver usable. mod_timer must be called with an absolute timeout in jiffies, the old implementation used a relative timeout thus the hardware watchdog was never triggered. Signed-off-by: David Engraf <david.engraf@sysgo.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/watchdog/shwdt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index db84f2322d1a..a267dc078daf 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -64,7 +64,7 @@
* misses its deadline, the kernel timer will allow the WDT to overflow.
*/
static int clock_division_ratio = WTCSR_CKS_4096;
-#define next_ping_period(cks) msecs_to_jiffies(cks - 4)
+#define next_ping_period(cks) (jiffies + msecs_to_jiffies(cks - 4))
static const struct watchdog_info sh_wdt_info;
static struct platform_device *sh_wdt_dev;