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Commit 2966cf8c authored Mar 27, 2020 by Mao Jinlong

coresight: Add spin_lock_init for funnel and replicator



Add spin_lock_init for funnel and replicator to avoid spinlock issue.

Change-Id: I6cb14bfd363e8d92070af2e0e99e60eaf45d923b
Signed-off-by: Mao Jinlong <jinlmao@codeaurora.org>

parent 7855a48f

drivers/hwtracing/coresight/coresight-funnel.c

+3 −1

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0
		/*
		* Copyright (c) 2011-2012,2017, The Linux Foundation. All rights reserved.
		* Copyright (c) 2011-2012,2017, 2020, The Linux Foundation. All rights reserved.
		*
		* Description: CoreSight Funnel driver
		*/
		@@ -286,6 +286,8 @@ static int funnel_probe(struct device dev, struct resource res)

		dev_set_drvdata(dev, drvdata);

		spin_lock_init(&drvdata->spinlock);

		pdata = coresight_get_platform_data(dev);
		if (IS_ERR(pdata)) {
		ret = PTR_ERR(pdata);

drivers/hwtracing/coresight/coresight-replicator.c

+3 −1

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0
		/*
		* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
		* Copyright (c) 2011-2015, 2020, The Linux Foundation. All rights reserved.
		*
		* Description: CoreSight Replicator driver
		*/
		@@ -241,6 +241,8 @@ static int replicator_probe(struct device dev, struct resource res)

		dev_set_drvdata(dev, drvdata);

		spin_lock_init(&drvdata->spinlock);

		pdata = coresight_get_platform_data(dev);
		if (IS_ERR(pdata)) {
		ret = PTR_ERR(pdata);