watchdog: sunxi: 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> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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2 changed files with 5 additions and 1 deletions
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@ -6,9 +6,13 @@ Required properties:
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"allwinner,sun6i-a31-wdt"
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- reg : Specifies base physical address and size of the registers.
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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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wdt: watchdog@1c20c90 {
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compatible = "allwinner,sun4i-a10-wdt";
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reg = <0x01c20c90 0x10>;
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timeout-sec = <10>;
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};
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@ -39,7 +39,7 @@
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#define DRV_VERSION "1.0"
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static bool nowayout = WATCHDOG_NOWAYOUT;
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static unsigned int timeout = WDT_MAX_TIMEOUT;
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static unsigned int timeout;
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/*
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* This structure stores the register offsets for different variants
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