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bus: mhi: host: Log data and control events for debug

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Certain log messages will help improve the debug experience when
attempting to solve issues related to tracking data or control
packets in MHI. Add logs to improve this aspect.

Change-Id: Ic8608d68e37436b23e7c2364cb9e38db22c3844f
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
This commit is contained in:
Bhaumik Bhatt 2021-04-19 13:08:42 -07:00 committed by Gerrit - the friendly Code Review server
parent 4056a947ac
commit bf693df5a0
1 changed files with 7 additions and 0 deletions
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7
drivers/bus/mhi/host/main.c
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@ -869,6 +869,9 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl,
while (dev_rp != local_rp) {
enum mhi_pkt_type type = MHI_TRE_GET_EV_TYPE(local_rp);
dev_dbg(dev, "Processing Event:0x%llx 0x%08x 0x%08x\n",
local_rp->ptr, local_rp->dword[0], local_rp->dword[1]);
switch (type) {
case MHI_PKT_TYPE_BW_REQ_EVENT:
{
@ -1013,6 +1016,7 @@ int mhi_process_data_event_ring(struct mhi_controller *mhi_cntrl,
struct mhi_ring *ev_ring = &mhi_event->ring;
struct mhi_event_ctxt *er_ctxt =
&mhi_cntrl->mhi_ctxt->er_ctxt[mhi_event->er_index];
struct device *dev = &mhi_cntrl->mhi_dev->dev;
int count = 0;
u32 chan;
struct mhi_chan *mhi_chan;
@ -1033,6 +1037,9 @@ int mhi_process_data_event_ring(struct mhi_controller *mhi_cntrl,
while (dev_rp != local_rp && event_quota > 0) {
enum mhi_pkt_type type = MHI_TRE_GET_EV_TYPE(local_rp);
dev_dbg(dev, "Processing Event:0x%llx 0x%08x 0x%08x\n",
local_rp->ptr, local_rp->dword[0], local_rp->dword[1]);
chan = MHI_TRE_GET_EV_CHID(local_rp);
WARN_ON(chan >= mhi_cntrl->max_chan);