On 12/08/2019 15.28, Guenter Roeck wrote: > On 8/12/19 6:13 AM, Rasmus Villemoes wrote: >> Converting from ms to s requires dividing by 1000, not multiplying. So >> this is currently taking the smaller of new_timeout and 1.28e8, >> i.e. effectively new_timeout. >> >> The driver knows what it set max_hw_heartbeat_ms to, so use that >> value instead of doing a division at run-time. >> >> FWIW, this can easily be tested by booting into a busybox shell and >> doing "watchdog -t 5 -T 130 /dev/watchdog" - without this patch, the >> watchdog fires after 130&127 == 2 seconds. >> >> Fixes: b07e228eee69 "watchdog: imx2_wdt: Fix set_timeout for big >> timeout values" >> Cc: stable@xxxxxxxxxxxxxxx # 5.2 plus anything the above got >> backported to >> Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> > > Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> I'm not seeing this in v5.3-rc6, did it get picked up? Rasmus
