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Commit d306e27e authored by Sujeev Dias's avatar Sujeev Dias
Browse files

mhi: core: only accumulate transfer complete events as processed events 



When a client ask MHI host to processed X number of events, only count
transfer events as part of processed events. All other events are internal
events.

CRs-Fixed: 2018324
Change-Id: I4cfcae0ba187348442c3fc45b76d7c4b01f687bd
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent a3e227fc

drivers/platform/msm/mhi/mhi_isr.c

+3 −7
Original line number Diff line number Diff line
@@ -114,6 +114,7 @@ static int mhi_process_event_ring( 
						 ev_index);

			spin_unlock_bh(&ring->ring_lock);

			__pm_relax(&mhi_dev_ctxt->w_lock);

			event_quota--;

			break;

		}

		case MHI_PKT_TYPE_STATE_CHANGE_EVENT:
@@ -207,7 +208,6 @@ static int mhi_process_event_ring( 
						ev_ctxt->mhi_event_read_ptr);

		spin_unlock_irqrestore(&local_ev_ctxt->ring_lock, flags);

		ret_val = 0;

		--event_quota;

	}

	read_lock_bh(&mhi_dev_ctxt->pm_xfer_lock);

	mhi_dev_ctxt->deassert_wake(mhi_dev_ctxt);
@@ -222,12 +222,10 @@ void mhi_ev_task(unsigned long data) 
	struct mhi_device_ctxt *mhi_dev_ctxt =

		mhi_ring->mhi_dev_ctxt;

	int ev_index = mhi_ring->index;

	struct mhi_event_ring_cfg *ring_props =

		&mhi_dev_ctxt->ev_ring_props[ev_index];



	mhi_log(mhi_dev_ctxt, MHI_MSG_VERBOSE, "Enter\n");

	/* Process event ring */

	mhi_process_event_ring(mhi_dev_ctxt, ev_index, ring_props->nr_desc);

	mhi_process_event_ring(mhi_dev_ctxt, ev_index, U32_MAX);



	enable_irq(MSI_TO_IRQ(mhi_dev_ctxt, ev_index));

	mhi_log(mhi_dev_ctxt, MHI_MSG_VERBOSE, "Exit\n");
@@ -240,12 +238,10 @@ void process_event_ring(struct work_struct *work) 
	struct mhi_device_ctxt *mhi_dev_ctxt =

		mhi_ring->mhi_dev_ctxt;

	int ev_index = mhi_ring->index;

	struct mhi_event_ring_cfg *ring_props =

		&mhi_dev_ctxt->ev_ring_props[ev_index];



	mhi_log(mhi_dev_ctxt, MHI_MSG_VERBOSE, "Enter\n");

	/* Process event ring */

	mhi_process_event_ring(mhi_dev_ctxt, ev_index, ring_props->nr_desc);

	mhi_process_event_ring(mhi_dev_ctxt, ev_index, U32_MAX);



	enable_irq(MSI_TO_IRQ(mhi_dev_ctxt, ev_index));

	mhi_log(mhi_dev_ctxt, MHI_MSG_VERBOSE, "Exit\n");