On 3/12/20 8:13 PM, Chris Packham wrote: > If the heartbeat module param is not specified we would get an error > message > > watchdog: f1020300.watchdog: driver supplied timeout (4294967295) out of range > watchdog: f1020300.watchdog: falling back to default timeout (171) > > This is because we were initialising heartbeat to -1. By removing the > initialisation (thus letting the C run time initialise it to 0) we > silence the warning message and the default timeout is still used. > > Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> Good catch. Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > drivers/watchdog/orion_wdt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c > index 8e6dfe76f9c9..4ddb4ea2e4a3 100644 > --- a/drivers/watchdog/orion_wdt.c > +++ b/drivers/watchdog/orion_wdt.c > @@ -52,7 +52,7 @@ > #define WDT_A370_RATIO (1 << WDT_A370_RATIO_SHIFT) > > static bool nowayout = WATCHDOG_NOWAYOUT; > -static int heartbeat = -1; /* module parameter (seconds) */ > +static int heartbeat; /* module parameter (seconds) */ > > struct orion_watchdog; > >