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SubjectRe: [PATCH 3/7] watchdog: sirfsoc: allow setting timeout in devicetree
On Fri, Feb 09, 2018 at 08:27:20PM +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 <marcus.folkesson@gmail.com>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
> Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt | 4 ++++
> drivers/watchdog/sirfsoc_wdt.c | 2 +-
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt b/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt
> index 9cbc76c89b2b..0dce5e3100b4 100644
> --- a/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt
> +++ b/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt
> @@ -5,10 +5,14 @@ Required properties:
> - reg: Address range of tick timer/WDT register set
> - interrupts: interrupt number to the cpu
>
> +Optional properties:
> +- timeout-sec : Contains the watchdog timeout in seconds
> +
> Example:
>
> timer@b0020000 {
> compatible = "sirf,prima2-tick";
> reg = <0xb0020000 0x1000>;
> interrupts = <0>;
> + timeout-sec = <30>;
> };
> diff --git a/drivers/watchdog/sirfsoc_wdt.c b/drivers/watchdog/sirfsoc_wdt.c
> index 4eea351e09b0..ac0c9d2c4aee 100644
> --- a/drivers/watchdog/sirfsoc_wdt.c
> +++ b/drivers/watchdog/sirfsoc_wdt.c
> @@ -29,7 +29,7 @@
> #define SIRFSOC_WDT_MAX_TIMEOUT (10 * 60) /* 10 mins */
> #define SIRFSOC_WDT_DEFAULT_TIMEOUT 30 /* 30 secs */
>
> -static unsigned int timeout = SIRFSOC_WDT_DEFAULT_TIMEOUT;
> +static unsigned int timeout;
> static bool nowayout = WATCHDOG_NOWAYOUT;
>
> module_param(timeout, uint, 0);
> --
> 2.15.1
>

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