Quoting Stephen Boyd (2019-07-17 14:38:36) > @@ -131,6 +303,8 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, > > exit: > spi_bus_unlock(phy->spi_device->master); > + phy->last_access = jiffies; > + mutex_lock(&phy->time_track_mutex); This should be mutex_unlock().
