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path: root/drivers/bus/mhi/host/pm.c
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Diffstat (limited to 'drivers/bus/mhi/host/pm.c')
-rw-r--r--drivers/bus/mhi/host/pm.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c
index d0d033ce99..8b40d3f01a 100644
--- a/drivers/bus/mhi/host/pm.c
+++ b/drivers/bus/mhi/host/pm.c
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/wait.h>
#include "internal.h"
+#include "trace.h"
/*
* Not all MHI state transitions are synchronous. Transitions like Linkdown,
@@ -131,6 +132,7 @@ enum mhi_pm_state __must_check mhi_tryset_pm_state(struct mhi_controller *mhi_cn
if (unlikely(!(dev_state_transitions[index].to_states & state)))
return cur_state;
+ trace_mhi_tryset_pm_state(mhi_cntrl, state);
mhi_cntrl->pm_state = state;
return mhi_cntrl->pm_state;
}
@@ -772,7 +774,6 @@ void mhi_pm_st_worker(struct work_struct *work)
struct mhi_controller *mhi_cntrl = container_of(work,
struct mhi_controller,
st_worker);
- struct device *dev = &mhi_cntrl->mhi_dev->dev;
spin_lock_irq(&mhi_cntrl->transition_lock);
list_splice_tail_init(&mhi_cntrl->transition_list, &head);
@@ -780,8 +781,8 @@ void mhi_pm_st_worker(struct work_struct *work)
list_for_each_entry_safe(itr, tmp, &head, node) {
list_del(&itr->node);
- dev_dbg(dev, "Handling state transition: %s\n",
- TO_DEV_STATE_TRANS_STR(itr->state));
+
+ trace_mhi_pm_st_transition(mhi_cntrl, itr->state);
switch (itr->state) {
case DEV_ST_TRANSITION_PBL: