* Ricardo Salveti <rsalveti@xxxxxxxxxxxx> [181211 21:51]:
> Tried to change back wl12xx_sdio_power_off to use pm_runtime_put_sync
> as a test, and noticed I always get -EBUSY when reproducing the hang,
> so it looks like this could be a race between pm_runtime_put/get when
> doing if down/up (and the side effect on the mmc controller).
Hmm so -EBUSY for pm_runtime means transition is already happening
and in many cases the test should be:
error = pm_runtime_get(dev);
if (error < 0 && error != -EBUSY) {
...
}
...
pm_runtime_put(dev);
Where are you getting it?
Regards,
Tony
