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Commit 7e6b1086 authored by Bhaumik Bhatt's avatar Bhaumik Bhatt
Browse files

mhi: core: do not toggle PCIe low power mode in sleeping context 



Do not toggle PCIe low power mode in sleeping context as the
calls can grab a mutex.

Change-Id: I12eed6a01d80b36412ec3e18af382a031a9d108d
Signed-off-by: default avatarBhaumik Bhatt <bbhatt@codeaurora.org>
parent 6832a47d

drivers/bus/mhi/core/mhi_main.c

+5 −1
Original line number Diff line number Diff line
@@ -2576,11 +2576,14 @@ int mhi_get_remote_time_sync(struct mhi_device *mhi_dev, 
		ret = -EIO;

		goto error_invalid_state;

	}

	read_unlock_bh(&mhi_cntrl->pm_lock);



	/* disable link level low power modes */

	ret = mhi_cntrl->lpm_disable(mhi_cntrl, mhi_cntrl->priv_data);

	if (ret)

	if (ret) {

		read_lock_bh(&mhi_cntrl->pm_lock);

		goto error_invalid_state;

	}



	/*

	 * time critical code to fetch device times,
@@ -2598,6 +2601,7 @@ int mhi_get_remote_time_sync(struct mhi_device *mhi_dev, 


	mhi_cntrl->lpm_enable(mhi_cntrl, mhi_cntrl->priv_data);



	read_lock_bh(&mhi_cntrl->pm_lock);

error_invalid_state:

	mhi_cntrl->wake_put(mhi_cntrl, false);

	read_unlock_bh(&mhi_cntrl->pm_lock);