watchdog: sirfsoc: 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> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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@ -5,10 +5,14 @@ Required properties:
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- reg: Address range of tick timer/WDT register set
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- interrupts: interrupt number to the cpu
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Optional properties:
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- timeout-sec : Contains the watchdog timeout in seconds
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Example:
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timer@b0020000 {
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compatible = "sirf,prima2-tick";
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reg = <0xb0020000 0x1000>;
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interrupts = <0>;
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timeout-sec = <30>;
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};
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@ -29,7 +29,7 @@
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#define SIRFSOC_WDT_MAX_TIMEOUT (10 * 60) /* 10 mins */
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#define SIRFSOC_WDT_DEFAULT_TIMEOUT 30 /* 30 secs */
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static unsigned int timeout = SIRFSOC_WDT_DEFAULT_TIMEOUT;
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static unsigned int timeout;
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static bool nowayout = WATCHDOG_NOWAYOUT;
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module_param(timeout, uint, 0);
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