diff mbox series

[2/2] watchdog: menz069_wdt: fix timeout setting

Message ID 20230418172531.177349-3-jth@kernel.org
State New
Headers show
Series watchdog: fixes for menz069_wdt driver | expand

Commit Message

Johannes Thumshirn April 18, 2023, 5:25 p.m. UTC 
When setting the timeout for the menz069_wdt watchdog driver, we
erroneously read from the 'watchdog value register' (WVR) instead of the
'watchdog timer register' (WTR) and then write the value back into WTR.

This can potentially lead to wrong timeouts and wrong enable bit settings.

Signed-off-by: Johannes Thumshirn <jth@kernel.org>
---
 drivers/watchdog/menz69_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/watchdog/menz69_wdt.c b/drivers/watchdog/menz69_wdt.c
index bca0938f3429..3c98030b9fcd 100644
--- a/drivers/watchdog/menz69_wdt.c
+++ b/drivers/watchdog/menz69_wdt.c
@@ -77,7 +77,7 @@  static int men_z069_wdt_set_timeout(struct watchdog_device *wdt,
 	wdt->timeout = timeout;
 	val = timeout * MEN_Z069_TIMER_FREQ;
 
-	reg = readw(drv->base + MEN_Z069_WVR);
+	reg = readw(drv->base + MEN_Z069_WTR);
 	ena = reg & MEN_Z069_WTR_WDEN;
 	reg = ena | val;
 	writew(reg, drv->base + MEN_Z069_WTR);