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Commit a02e3a25 authored by Sujeev Dias's avatar Sujeev Dias Committed by Gerrit - the friendly Code Review server
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mhi: controller: always return success for suspend when modem is off 



When external modem is on a powered off state, always return success
for suspend. Otherwise, MHI host driver prevent system suspend
from happening.

CRs-Fixed: 2319740
Change-Id: I8493742cd5855bb568286c74f50062f9d2e73efe
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
Signed-off-by: default avatarDivya Sharma <divyash@codeaurora.org>
parent 7118861c

drivers/bus/mhi/controllers/mhi_qcom.c

+7 −0
Original line number Diff line number Diff line
@@ -164,11 +164,18 @@ static int mhi_runtime_suspend(struct device *dev) 
{

	int ret = 0;

	struct mhi_controller *mhi_cntrl = dev_get_drvdata(dev);

	struct mhi_dev *mhi_dev = mhi_controller_get_devdata(mhi_cntrl);



	MHI_LOG("Enter\n");



	mutex_lock(&mhi_cntrl->pm_mutex);



	if (!mhi_dev->powered_on) {

		MHI_LOG("Not fully powered, return success\n");

		mutex_unlock(&mhi_cntrl->pm_mutex);

		return 0;

	}



	ret = mhi_pm_suspend(mhi_cntrl);

	if (ret) {

		MHI_LOG("Abort due to ret:%d\n", ret);