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| author | Marcus Folkesson <marcus.folkesson@gmail.com> | 2018-02-11 21:08:46 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2018-03-03 17:04:14 +0100 |
| commit | 4590d62cb16bebdc36b951067eeeaef02ea213c3 (patch) | |
| tree | 752d9744bc889ac6f243074b6f40cfd1699d3329 | |
| parent | b82e6953acf46466b97bc592492f206b719f58b5 (diff) | |
| download | op-kernel-dev-4590d62cb16bebdc36b951067eeeaef02ea213c3.zip op-kernel-dev-4590d62cb16bebdc36b951067eeeaef02ea213c3.tar.gz | |
watchdog: meson: allow setting timeout in devicetree
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>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/meson-wdt.txt | 4 | ||||
| -rw-r--r-- | drivers/watchdog/meson_wdt.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt b/Documentation/devicetree/bindings/watchdog/meson-wdt.txt index 8a6d84c..7588cc3 100644 --- a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/meson-wdt.txt @@ -9,9 +9,13 @@ Required properties: "amlogic,meson8m2-wdt" and "amlogic,meson8b-wdt" on Meson8m2 SoCs - reg : Specifies base physical address and size of the registers. +Optional properties: +- timeout-sec: contains the watchdog timeout in seconds. + Example: wdt: watchdog@c1109900 { compatible = "amlogic,meson6-wdt"; reg = <0xc1109900 0x8>; + timeout-sec = <10>; }; diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c index 304274c..cd0275a 100644 --- a/drivers/watchdog/meson_wdt.c +++ b/drivers/watchdog/meson_wdt.c @@ -36,7 +36,7 @@ #define MESON_SEC_TO_TC(s, c) ((s) * (c)) static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int timeout = MESON_WDT_TIMEOUT; +static unsigned int timeout; struct meson_wdt_data { unsigned int enable; |
