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

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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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