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Commit 3b3a1c8f authored by Yong, Jonathan's avatar Yong, Jonathan Committed by Wim Van Sebroeck
Browse files

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: default avatarYong, Jonathan <jonathan.yong@intel.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent fafdbaba

drivers/watchdog/iTCO_wdt.c

+2 −0
Original line number Diff line number Diff line
@@ -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 */