[PATCH v2 1/2] watchdog: iTCO-wdt handle 5th variation for Apollo Lake

From: Yong, Jonathan
Date: Thu Jun 16 2016 - 20:37:08 EST


The Apollo Lake Watchdog has the no_reboot flag in the 4th bit.

Signed-off-by: Yong, Jonathan <jonathan.yong@xxxxxxxxx>
---
drivers/watchdog/iTCO_wdt.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 0acc6c5..54cab18 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -150,6 +150,7 @@ static inline u32 no_reboot_bit(void)
u32 enable_bit;

switch (iTCO_wdt_private.iTCO_version) {
+ case 5:
case 3:
enable_bit = 0x00000010;
break;
@@ -512,6 +513,7 @@ static int iTCO_wdt_probe(struct platform_device *dev)

/* Clear out the (probably old) status */
switch (iTCO_wdt_private.iTCO_version) {
+ case 5:
case 4:
outw(0x0008, TCO1_STS); /* Clear the Time Out Status bit */
outw(0x0002, TCO2_STS); /* Clear SECOND_TO_STS bit */
--
2.7.3