From 3b3a1c8fbb36f8e077b6ac09bcac03024d5bfa5c Mon Sep 17 00:00:00 2001 From: Yong, Jonathan Date: Fri, 17 Jun 2016 00:33:31 +0000 Subject: watchdog: iTCO-wdt: handle 5th variation for Apollo Lake The Apollo Lake Watchdog has the no_reboot flag in the 4th bit. Signed-off-by: Yong, Jonathan Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/iTCO_wdt.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/watchdog') diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 0acc6c5f729d..54cab189a763 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 */ -- cgit v1.2.3