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Date: Fri, 17 Jun 2016 00:36:56 +0000 From: "Yong, Jonathan" <jonathan.yong@...el.com> To: linux-watchdog@...r.kernel.org, platform-driver-x86@...r.kernel.org Cc: qipeng.zha@...el.com, linux@...ck-us.net, dvhart@...radead.org, linux-kernel@...r.kernel.org, jonathan.yong@...el.com Subject: [PATCH v2 1/2] 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 <jonathan.yong@...el.com> --- 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
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