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msm: mhi_dev: Adding mhi and pcie state change logs to console

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Adding mhi and pcie state change logs to console to make testing and
debugging easier.

Change-Id: I1fe176fc532a99de9de862ad556df831b6db6bf6
Signed-off-by: Sai Chaitanya Kaveti <quic_skaveti@quicinc.com>
This commit is contained in:
Sai Chaitanya Kaveti 2021-11-12 15:08:39 +05:30 • committed by Gerrit - the friendly Code Review server
commit 02ccb1d6dd
3 changed files with 15 additions and 11 deletions
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4
drivers/platform/msm/mhi_dev/mhi.c
View file

@ -1482,7 +1482,7 @@ static void mhi_hwc_cb(void *priv, enum ipa_mhi_event_type event,
return;
}
mhi_log(MHI_MSG_CRITICAL, "Device in M0 State\n");
mhi_log(MHI_MSG_INFO, "Device in M0 State\n");
break;
case IPA_MHI_EVENT_DATA_AVAILABLE:
rc = mhi_dev_notify_sm_event(MHI_DEV_EVENT_HW_ACC_WAKEUP);
@ -3518,7 +3518,7 @@ int mhi_dev_write_channel(struct mhi_req *wreq)
* Expected usage is when there is a write
* to the MHI core -> notify SM.
*/
mhi_log(MHI_MSG_INFO, "Wakeup by chan:%d\n", ch->ch_id);
mhi_log(MHI_MSG_CRITICAL, "Wakeup by chan:%d\n", ch->ch_id);
rc = mhi_dev_notify_sm_event(MHI_DEV_EVENT_CORE_WAKEUP);
if (rc) {
pr_err("error sending core wakeup event\n");

3
drivers/platform/msm/mhi_dev/mhi.h
View file

@ -676,7 +676,8 @@ extern void *mhi_ipc_log;
#define mhi_log(_msg_lvl, _msg, ...) do { \
if (_msg_lvl >= mhi_msg_lvl) { \
pr_err("[%s] "_msg, __func__, ##__VA_ARGS__); \
pr_err("[0x%x %s] "_msg, bhi_imgtxdb, \
__func__, ##__VA_ARGS__); \
} \
if (mhi_ipc_log && (_msg_lvl >= mhi_ipc_msg_lvl)) { \
ipc_log_string(mhi_ipc_log, \

19
drivers/platform/msm/mhi_dev/mhi_sm.c
View file

@ -16,6 +16,9 @@
#define MHI_SM_DBG(fmt, args...) \
mhi_log(MHI_MSG_DBG, fmt, ##args)
#define MHI_SM_CONSOLE_DBG(fmt, args...) \
mhi_log(MHI_MSG_CRITICAL, fmt, ##args)
#define MHI_SM_ERR(fmt, args...) \
mhi_log(MHI_MSG_ERROR, fmt, ##args)
@ -867,10 +870,10 @@ static void mhi_sm_dev_event_manager(struct work_struct *work)
MHI_SM_FUNC_ENTRY();
mutex_lock(&mhi_sm_ctx->mhi_state_lock);
MHI_SM_DBG("Start handling %s event, current states: %s & %s\n",
mhi_sm_dev_event_str(chg_event->event),
mhi_sm_mstate_str(mhi_sm_ctx->mhi_state),
mhi_sm_dstate_str(mhi_sm_ctx->d_state));
MHI_SM_CONSOLE_DBG("Handling %s event, current states: %s & %s\n",
mhi_sm_dev_event_str(chg_event->event),
mhi_sm_mstate_str(mhi_sm_ctx->mhi_state),
mhi_sm_dstate_str(mhi_sm_ctx->d_state));
if (mhi_sm_ctx->syserr_occurred) {
MHI_SM_DBG("syserr occurred, Ignoring %s\n",
@ -952,10 +955,10 @@ static void mhi_sm_pcie_event_manager(struct work_struct *work)
mutex_lock(&mhi_sm_ctx->mhi_state_lock);
old_dstate = mhi_sm_ctx->d_state;
MHI_SM_DBG("Start handling %s event, current MHI state %s and %s\n",
mhi_sm_pcie_event_str(chg_event->event),
mhi_sm_mstate_str(mhi_sm_ctx->mhi_state),
mhi_sm_dstate_str(old_dstate));
MHI_SM_CONSOLE_DBG("Handling %s event, current states: %s and %s\n",
mhi_sm_pcie_event_str(chg_event->event),
mhi_sm_mstate_str(mhi_sm_ctx->mhi_state),
mhi_sm_dstate_str(old_dstate));
if (mhi_sm_ctx->syserr_occurred &&
pcie_event != EP_PCIE_EVENT_LINKDOWN) {