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mhi: core: Log dev wake count in mhi device get/put

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This helps to debug the timeout between asserting
wake doorbell and getting M0 state change event.

Change-Id: Ie60d88cb2a22510dd794e0a6dffde6dfe54fb544
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
This commit is contained in:
Hemant Kumar 2020-01-20 15:28:24 -08:00 committed by Gerrit - the friendly Code Review server
parent b053a4bc45
commit bd7ef18a4d
1 changed files with 2 additions and 0 deletions
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2
drivers/bus/mhi/core/mhi_pm.c
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@ -1525,6 +1525,7 @@ void mhi_device_get(struct mhi_device *mhi_dev, int vote)
if (vote & MHI_VOTE_DEVICE) {
read_lock_bh(&mhi_cntrl->pm_lock);
mhi_cntrl->wake_get(mhi_cntrl, true);
MHI_LOG("dev_wake %d\n", atomic_read(&mhi_cntrl->dev_wake));
read_unlock_bh(&mhi_cntrl->pm_lock);
atomic_inc(&mhi_dev->dev_vote);
}
@ -1578,6 +1579,7 @@ void mhi_device_put(struct mhi_device *mhi_dev, int vote)
mhi_trigger_resume(mhi_cntrl);
mhi_cntrl->wake_put(mhi_cntrl, false);
MHI_LOG("dev_wake %d\n", atomic_read(&mhi_cntrl->dev_wake));
read_unlock_bh(&mhi_cntrl->pm_lock);
}