Merge "mhi: core: do not acquire channel mutex to notify clients" (c5c6ccc6) · Commits · e / devices / android_kernel_xiaomi_sm6125

drivers/bus/mhi/core/mhi_pm.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -1180,10 +1180,8 @@ int mhi_pm_suspend(struct mhi_controller *mhi_cntrl)

		/* notify any clients we enter lpm */
		list_for_each_entry_safe(itr, tmp, &mhi_cntrl->lpm_chans, node) {
		mutex_lock(&itr->mutex);
		if (itr->mhi_dev)
		mhi_notify(itr->mhi_dev, MHI_CB_LPM_ENTER);
		mutex_unlock(&itr->mutex);
		}

		return 0;
		@@ -1289,10 +1287,8 @@ int mhi_pm_fast_suspend(struct mhi_controller *mhi_cntrl, bool notify_client)

		/* notify any clients we enter lpm */
		list_for_each_entry_safe(itr, tmp, &mhi_cntrl->lpm_chans, node) {
		mutex_lock(&itr->mutex);
		if (itr->mhi_dev)
		mhi_notify(itr->mhi_dev, MHI_CB_LPM_ENTER);
		mutex_unlock(&itr->mutex);
		}

		return 0;
		@@ -1328,10 +1324,8 @@ int mhi_pm_resume(struct mhi_controller *mhi_cntrl)

		/* notify any clients we enter lpm */
		list_for_each_entry_safe(itr, tmp, &mhi_cntrl->lpm_chans, node) {
		mutex_lock(&itr->mutex);
		if (itr->mhi_dev)
		mhi_notify(itr->mhi_dev, MHI_CB_LPM_EXIT);
		mutex_unlock(&itr->mutex);
		}

		write_lock_irq(&mhi_cntrl->pm_lock);
		@@ -1404,10 +1398,8 @@ int mhi_pm_fast_resume(struct mhi_controller *mhi_cntrl, bool notify_client)
		if (notify_client) {
		list_for_each_entry_safe(itr, tmp, &mhi_cntrl->lpm_chans,
		node) {
		mutex_lock(&itr->mutex);
		if (itr->mhi_dev)
		mhi_notify(itr->mhi_dev, MHI_CB_LPM_EXIT);
		mutex_unlock(&itr->mutex);
		}
		}