[PATCH v3 6/7] watchdog: meson: allow setting timeout in devicetree
From: Marcus Folkesson <hidden>
Date: 2018-02-11 20:10:19
Also in:
linux-amlogic, linux-arm-kernel, linux-mediatek, linux-watchdog, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, watchdog device drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Wim Van Sebroeck, Guenter Roeck
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> --- Documentation/devicetree/bindings/watchdog/meson-wdt.txt | 4 ++++ drivers/watchdog/meson_wdt.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt b/Documentation/devicetree/bindings/watchdog/meson-wdt.txt
index 8a6d84cb36c9..7588cc3971bf 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 304274c67735..cd0275a6cdac 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;
--
2.15.1
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