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Commit 4ee8ae19 authored by Andrei Danaila's avatar Andrei Danaila Committed by Matt Wagantall
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msm: mhi: Enabled event ring context updates 



Enabled event ring context updates regardless of MHI
power state.

Change-Id: I910d056d53f7c940caea48546c206d4603e8a4b9
Signed-off-by: default avatarAndrei Danaila <adanaila@codeaurora.org>
parent 01a9fdcd

drivers/platform/msm/mhi/mhi_main.c

+13 −0
Original line number Diff line number Diff line
@@ -1035,6 +1035,19 @@ enum MHI_STATUS recycle_trb_and_ring(struct mhi_device_ctxt *mhi_dev_ctxt, 
			(union mhi_xfer_pkt *)added_element;

		added_xfer_pkt->data_tx_pkt =

				*(struct mhi_tx_pkt *)removed_xfer_pkt;

	} else if (MHI_RING_TYPE_EVENT_RING == ring_type &&

		   mhi_dev_ctxt->counters.m0_m3 > 0 &&

		   IS_HARDWARE_CHANNEL(ring_index)) {

		spinlock_t *lock = NULL;

		unsigned long flags = 0;

		lock = &mhi_dev_ctxt->mhi_ev_spinlock_list[ring_index];

		spin_lock_irqsave(lock, flags);

		mhi_update_ctxt(mhi_dev_ctxt,

				mhi_dev_ctxt->event_db_addr,

				ring_index, db_value);

		mhi_dev_ctxt->mhi_ev_db_order[ring_index] = 1;

		mhi_dev_ctxt->ev_counter[ring_index]++;

		spin_unlock_irqrestore(lock, flags);

	}

	atomic_inc(&mhi_dev_ctxt->flags.data_pending);

	/* Asserting Device Wake here, will imediately wake mdm */