| Message ID | 20180209192724.1227-6-marcus.folkesson@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
On Fri, Feb 09, 2018 at 08:27:22PM +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/mtk-wdt.txt | 4 ++++ > drivers/watchdog/mtk_wdt.c | 2 +- > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt > index 5b38a30e608c..859dee167b91 100644 > --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt > +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt > @@ -11,9 +11,13 @@ Required properties: > > - reg : Specifies base physical address and size of the registers. > > +Optional properties: > +- timeout-sec: contains the watchdog timeout in seconds. > + > Example: > > wdt: watchdog@10000000 { > compatible = "mediatek,mt6589-wdt"; > reg = <0x10000000 0x18>; > + timeout-sec = <10>; > }; > diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c > index 7ed417a765c7..fcdc10ec28a3 100644 > --- a/drivers/watchdog/mtk_wdt.c > +++ b/drivers/watchdog/mtk_wdt.c > @@ -57,7 +57,7 @@ > #define DRV_VERSION "1.0" > > static bool nowayout = WATCHDOG_NOWAYOUT; > -static unsigned int timeout = WDT_MAX_TIMEOUT; > +static unsigned int timeout; > > struct mtk_wdt_dev { > struct watchdog_device wdt_dev; > -- > 2.15.1 >
diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index 5b38a30e608c..859dee167b91 100644 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -11,9 +11,13 @@ Required properties: - reg : Specifies base physical address and size of the registers. +Optional properties: +- timeout-sec: contains the watchdog timeout in seconds. + Example: wdt: watchdog@10000000 { compatible = "mediatek,mt6589-wdt"; reg = <0x10000000 0x18>; + timeout-sec = <10>; }; diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 7ed417a765c7..fcdc10ec28a3 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -57,7 +57,7 @@ #define DRV_VERSION "1.0" static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int timeout = WDT_MAX_TIMEOUT; +static unsigned int timeout; struct mtk_wdt_dev { struct watchdog_device wdt_dev;
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> --- Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 4 ++++ drivers/watchdog/mtk_wdt.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-)