watchdog: kempld-wdt: Use the correct value when configuring the pres…

…caler with the watchdog commit a9e0436 upstream. Use the prescaler index, rather than its value, to configure the watchdog. This will prevent a mismatch with the prescaler used to calculate the cycles. Signed-off-by: Per Gundberg <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Reviewed-by: Michael Brunner <[email protected]> Tested-by: Michael Brunner <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
parallella · Jul 7, 2014 · 4db7575 · 4db7575
1 parent 1814990
commit 4db7575
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
@@ -162,7 +162,7 @@ static int kempld_wdt_set_stage_timeout(struct kempld_wdt_data *wdt_data,
 	kempld_get_mutex(pld);
 	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
 	stage_cfg &= ~STAGE_CFG_PRESCALER_MASK;
-	stage_cfg |= STAGE_CFG_SET_PRESCALER(prescaler);
+	stage_cfg |= STAGE_CFG_SET_PRESCALER(PRESCALER_21);
 	kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
 	kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id),
 			stage_timeout);