watchdog: gpio-wdt: be more strict about hw_algo matching
strncmp(algo, "toggle", 6) doesn't compare the trailing '\0' byte, so using hw_algo = "toggleboggle" is recognized the same way as hw_algo = "toggle" . While this doesn't introduce any problems for a device tree that sticks to the documented settings it's still ugly. Fix this by using strcmp to only match on "toggle" and "level". Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: NGuenter Roeck <linux@roeck-us.net> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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