evie/android_kernel_oneplus_msm8998
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mhi: core: process incoming data based on event ring type

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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: Sujeev Dias <sdias@codeaurora.org>
This commit is contained in:
Sujeev Dias 2017-02-28 14:03:04 -08:00 • committed by Gerrit - the friendly Code Review server
parent 839bf852e2
commit 0ee8cf4de3
1 changed files with 7 additions and 3 deletions
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10
drivers/platform/msm/mhi/mhi_main.c
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@ -1096,7 +1096,8 @@ 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;
@ -1104,6 +1105,8 @@ 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;
@ -1117,7 +1120,7 @@ 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);
@ -1283,7 +1286,8 @@ 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);