diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bus/mhi/core/main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index 91f8b8d05a62..4eb93d8bea1d 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -401,6 +401,10 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv) /* If device supports RDDM don't bother processing SYS error */ if (mhi_cntrl->rddm_image) { + /* host may be performing a device power down already */ + if (!mhi_is_active(mhi_cntrl)) + goto exit_intvec; + if (mhi_cntrl->ee == MHI_EE_RDDM && mhi_cntrl->ee != ee) { mhi_cntrl->status_cb(mhi_cntrl, MHI_CB_EE_RDDM); wake_up_all(&mhi_cntrl->state_event); |