diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/mhi/core/main.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index b4b87a9e17a4..0be1e7747cd7 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -1337,6 +1337,12 @@ static void __mhi_unprepare_channel(struct mhi_controller *mhi_cntrl, mutex_lock(&mhi_chan->mutex); + if (!(BIT(mhi_cntrl->ee) & mhi_chan->ee_mask)) { + dev_dbg(dev, "Current EE: %s Required EE Mask: 0x%x\n", + TO_MHI_EXEC_STR(mhi_cntrl->ee), mhi_chan->ee_mask); + goto exit_unprepare_channel; + } + /* no more processing events for this channel */ ret = mhi_update_channel_state(mhi_cntrl, mhi_chan, MHI_CH_STATE_TYPE_RESET); @@ -1344,6 +1350,11 @@ static void __mhi_unprepare_channel(struct mhi_controller *mhi_cntrl, dev_err(dev, "%d: Failed to reset channel, still resetting\n", mhi_chan->chan); +exit_unprepare_channel: + write_lock_irq(&mhi_chan->lock); + mhi_chan->ch_state = MHI_CH_STATE_DISABLED; + write_unlock_irq(&mhi_chan->lock); + if (!mhi_chan->offload_ch) { mhi_reset_chan(mhi_cntrl, mhi_chan); mhi_deinit_chan_ctxt(mhi_cntrl, mhi_chan); |