On 05/17/2016 08:26 PM, Yong, Jonathan wrote:
The Apollo Lake Watchdog has the no_reboot flag in the 4th bit. Signed-off-by: Yong, Jonathan <jonathan.yong@xxxxxxxxx>
Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>
--- drivers/watchdog/iTCO_wdt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 0acc6c5..eccba32 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -150,6 +150,9 @@ static inline u32 no_reboot_bit(void) u32 enable_bit; switch (iTCO_wdt_private.iTCO_version) { + case 5: + enable_bit = 0x00000008; + break; case 3: enable_bit = 0x00000010; break; @@ -512,6 +515,7 @@ 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 */
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