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watchdog: imx2_wdt: set watchdog parent device
If on watchdog device registration a parent device is not set, then the registered watchdog is considered to be a virtual device: /sys/devices/virtual/watchdog/watchdog0 /sys/devices/virtual/watchdog/watchdog1 Setting a correct reference to a platform device allows to distinguish multiple instances of iMX2+ hardware watchdogs: /sys/devices/soc0/soc/2000000.aips-bus/20bc000.wdog/watchdog/watchdog0 /sys/devices/soc0/soc/2000000.aips-bus/20c0000.wdog/watchdog/watchdog1 Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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@ -258,6 +258,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
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wdog->ops = &imx2_wdt_ops;
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wdog->min_timeout = 1;
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wdog->max_timeout = IMX2_WDT_MAX_TIME;
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wdog->parent = &pdev->dev;
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clk_prepare_enable(wdev->clk);
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