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@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
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
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