diff --git a/drivers/platform/msm/mhi_dev/mhi.c b/drivers/platform/msm/mhi_dev/mhi.c index 5eca5c2d3214..573911877588 100644 --- a/drivers/platform/msm/mhi_dev/mhi.c +++ b/drivers/platform/msm/mhi_dev/mhi.c @@ -2236,11 +2236,12 @@ static int mhi_dev_get_event_notify(enum mhi_dev_state state, return rc; } -static void mhi_dev_queue_channel_db(struct mhi_dev *mhi, +static bool mhi_dev_queue_channel_db(struct mhi_dev *mhi, uint32_t chintr_value, uint32_t ch_num) { struct mhi_dev_ring *ring; struct mhi_dev_channel *ch; + bool work_pending = false; int rc = 0; for (; chintr_value; ch_num++, chintr_value >>= 1) { @@ -2255,14 +2256,16 @@ static void mhi_dev_queue_channel_db(struct mhi_dev *mhi, ch = &mhi->ch[ch_num]; mutex_lock(&ch->ch_lock); ch->db_pending = true; + work_pending = true; mutex_unlock(&ch->ch_lock); rc = mhi_dev_mmio_disable_chdb_a7(mhi, ch_num); if (rc) { pr_err("Error disabling chdb\n"); - return; + return work_pending; } } } + return work_pending; } /* @@ -2291,11 +2294,11 @@ static bool mhi_dev_check_channel_interrupt(struct mhi_dev *mhi) /* Process channel status whose mask is enabled */ chintr_value = (mhi->chdb[i].status & mhi->chdb[i].mask); if (chintr_value) { - pending_work = true; mhi_log(MHI_MSG_VERBOSE, "processing id: %d, ch interrupt 0x%x\n", i, chintr_value); - mhi_dev_queue_channel_db(mhi, chintr_value, ch_num); + pending_work |= mhi_dev_queue_channel_db(mhi, + chintr_value, ch_num); rc = mhi_dev_mmio_write(mhi, MHI_CHDB_INT_CLEAR_A7_n(i), mhi->chdb[i].status); if (rc) {