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Commit e6c65a1a authored by Mao Jinlong's avatar Mao Jinlong
Browse files

qdss_bridge: Move flush_workqueue to proper places 



Move flush_workqueue to proper places to avoid endless loop of the
workqueue.

Change-Id: I772838bb955160c0a690ded0a87ceb8a27f8fcf6
Signed-off-by: default avatarMao Jinlong <jinlmao@codeaurora.org>
parent 83bf913b

drivers/soc/qcom/qdss_bridge.c

+4 −1
Original line number Diff line number Diff line
@@ -208,7 +208,6 @@ static void qdss_buf_tbl_remove(struct qdss_bridge_drvdata *drvdata, 
static void mhi_ch_close(struct qdss_bridge_drvdata *drvdata)

{

	if (drvdata->mode == MHI_TRANSFER_TYPE_USB) {

		flush_workqueue(drvdata->mhi_wq);

		qdss_destroy_buf_tbl(drvdata);

		qdss_destroy_read_done_list(drvdata);

	} else if (drvdata->mode == MHI_TRANSFER_TYPE_UCI) {
@@ -256,6 +255,7 @@ static ssize_t mode_store(struct device *dev, 
				spin_unlock_bh(&drvdata->lock);

				usb_qdss_close(drvdata->usb_ch);

				mhi_unprepare_from_transfer(drvdata->mhi_dev);

				flush_workqueue(drvdata->mhi_wq);

				mhi_ch_close(drvdata);

				drvdata->mode = MHI_TRANSFER_TYPE_UCI;

			} else if (drvdata->opened == DISABLE) {
@@ -275,6 +275,7 @@ static ssize_t mode_store(struct device *dev, 
				spin_unlock_bh(&drvdata->lock);

				wake_up(&drvdata->uci_wq);

				mhi_unprepare_from_transfer(drvdata->mhi_dev);

				flush_workqueue(drvdata->mhi_wq);

				mhi_ch_close(drvdata);

				drvdata->mode = MHI_TRANSFER_TYPE_USB;

				queue_work(drvdata->mhi_wq,
@@ -586,6 +587,7 @@ static int mhi_uci_release(struct inode *inode, struct file *file) 
			spin_unlock_bh(&drvdata->lock);

			wake_up(&drvdata->uci_wq);

			mhi_unprepare_from_transfer(drvdata->mhi_dev);

			flush_workqueue(drvdata->mhi_wq);

			mhi_ch_close(drvdata);

		} else if (drvdata->opened == SSR) {

			spin_unlock_bh(&drvdata->lock);
@@ -825,6 +827,7 @@ static void qdss_mhi_remove(struct mhi_device *mhi_dev) 
				msleep(20);

			} while (qdss_check_entry(drvdata));

		}

		flush_workqueue(drvdata->mhi_wq);

		mhi_ch_close(drvdata);

	} else

		spin_unlock_bh(&drvdata->lock);