From: Grant Likely <grant.likely@xxxxxxxxxxxx> Date: Wed, 18 May 2011 13:21:00 -0600 > From: Milton Miller <miltonm@xxxxxxx> > > If two drivers are probing devices at the same time, both will write > their match table result to the dev->of_match cache at the same time. > > Only write the result if the device matches. > > In a thread titled "SBus devices sometimes detected, sometimes not", > Meelis reported his SBus hme was not detected about 50% of the time. >>From the debug suggested by Grant it was obvious another driver matched > some devices between the call to match the hme and the hme discovery > failling. > > Reported-by: Meelis Roos <mroos@xxxxxxxx> > Signed-off-by: Milton Miller <miltonm@xxxxxxx> > [grant.likely: modified to only call of_match_device() once] > Signed-off-by: Grant Likely <grant.likely@xxxxxxxxxxxx> Tested on SunBlade2500 and Niagara2+ Acked-by: David S. Miller <davem@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
