Re: [PATCH 2/7] watchdog: sunxi: allow setting timeout in devicetree
From: Guenter Roeck <hidden>
Date: 2018-02-09 22:39:08
Also in:
linux-amlogic, linux-arm-kernel, linux-mediatek, linux-watchdog, lkml
On Fri, Feb 09, 2018 at 08:27:19PM +0100, Marcus Folkesson wrote:
watchdog_init_timeout() will allways pick timeout_param since it defaults to a valid timeout. By following best practice described in Documentation/watchdog/watchdog-kernel-api.txt, it also let us to set timout-sec property in devicetree. Signed-off-by: Marcus Folkesson <redacted>
Reviewed-by: Guenter Roeck <redacted>
quoted hunk ↗ jump to hunk
--- Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt | 4 ++++ drivers/watchdog/sunxi_wdt.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-)diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt index 62dd5baad70e..49900e72f6b1 100644 --- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt@@ -6,9 +6,13 @@ Required properties: "allwinner,sun6i-a31-wdt" - reg : Specifies base physical address and size of the registers. +Optional properties: +- timeout-sec : Contains the watchdog timeout in seconds + Example: wdt: watchdog@1c20c90 { compatible = "allwinner,sun4i-a10-wdt"; reg = <0x01c20c90 0x10>; + timeout-sec = <10>; };diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c index 9728fa32c357..55f166bec0ca 100644 --- a/drivers/watchdog/sunxi_wdt.c +++ b/drivers/watchdog/sunxi_wdt.c@@ -39,7 +39,7 @@ #define DRV_VERSION "1.0" static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int timeout = WDT_MAX_TIMEOUT; +static unsigned int timeout; /* * This structure stores the register offsets for different variants-- 2.15.1
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