On Mon, Mar 06, 2017 at 09:03:55PM +0100, Niklas Söderlund wrote: > The .thermal_init needs to be delayed a short amount of to allow for the > TEMP register to contain something useful. If it's not delayed theses > warnings are common during boot: > > thermal thermal_zone0: failed to read out thermal zone (-5) > thermal thermal_zone1: failed to read out thermal zone (-5) > thermal thermal_zone2: failed to read out thermal zone (-5) > > The warnings are triggered by the first call to .get_temp while the TEMP > register contains 0 and rcar_gen3_thermal_get_temp() returns -EIO since > a TEMP value of 0 will result in a temperature reading which is out of > specifications. > > This should have been done in the initial commit which adds the driver > as the same issue was found and corrected for r8a7795. > > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
