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Commit 135397f8 authored by Sujeev Dias's avatar Sujeev Dias
Browse files

mhi: core: process incoming data based on event ring type 



mhi clients can manage both hardware and software event rings.
Process incoming data based on event ring type instead of
channel type.

CRs-Fixed: 2018326
Change-Id: Ifa2de76034224c19a846f7be153400888f8c66de
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent d306e27e

drivers/platform/msm/mhi/mhi_main.c

+7 −3
Original line number Diff line number Diff line
@@ -1097,7 +1097,8 @@ static int parse_outbound(struct mhi_device_ctxt *mhi_dev_ctxt, 
}



static int parse_inbound(struct mhi_device_ctxt *mhi_dev_ctxt,

		u32 chan, union mhi_xfer_pkt *local_ev_trb_loc, u16 xfer_len)

			 u32 chan, union mhi_xfer_pkt *local_ev_trb_loc,

			 u16 xfer_len, unsigned ev_ring)

{

	struct mhi_client_handle *client_handle;

	struct mhi_client_config *client_config;
@@ -1105,6 +1106,8 @@ static int parse_inbound(struct mhi_device_ctxt *mhi_dev_ctxt, 
	struct mhi_result *result;

	struct mhi_cb_info cb_info;

	struct mhi_ring *bb_ctxt = &mhi_dev_ctxt->chan_bb_list[chan];

	bool ev_managed = GET_EV_PROPS(EV_MANAGED,

				mhi_dev_ctxt->ev_ring_props[ev_ring].flags);

	int r;

	uintptr_t bb_index, ctxt_index_rp, ctxt_index_wp;
@@ -1118,7 +1121,7 @@ static int parse_inbound(struct mhi_device_ctxt *mhi_dev_ctxt, 
	result = &client_config->result;

	parse_inbound_bb(mhi_dev_ctxt, bb_ctxt, result, xfer_len);



	if (unlikely(IS_SOFTWARE_CHANNEL(chan))) {

	if (ev_managed) {

		MHI_TX_TRB_SET_LEN(TX_TRB_LEN, local_ev_trb_loc, xfer_len);

		r = ctxt_del_element(local_chan_ctxt, NULL);

		BUG_ON(r);
@@ -1284,7 +1287,8 @@ int parse_xfer_event(struct mhi_device_ctxt *mhi_dev_ctxt, 
			}

			if (local_chan_ctxt->dir == MHI_IN) {

				parse_inbound(mhi_dev_ctxt, chan,

						local_ev_trb_loc, xfer_len);

					      local_ev_trb_loc, xfer_len,

					      event_id);

			} else {

				parse_outbound(mhi_dev_ctxt, chan,

						local_ev_trb_loc, xfer_len);