Merge "coresight: Reset all activated sinks" (e30d3a30) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/hwtracing/coresight/coresight.c

+21 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2012, 2017, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2012, 2017-2018, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -99,6 +99,23 @@ static int coresight_source_is_unique(struct coresight_device *csdev)
		csdev, coresight_id_match);
		}

		static int coresight_reset_sink(struct device dev, void data)
		{
		struct coresight_device *csdev = to_coresight_device(dev);

		if ((csdev->type == CORESIGHT_DEV_TYPE_SINK \|\|
		csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&
		csdev->activated)
		csdev->activated = false;

		return 0;
		}

		static void coresight_reset_all_sink(void)
		{
		bus_for_each_dev(&coresight_bustype, NULL, NULL, coresight_reset_sink);
		}

		static int coresight_find_link_inport(struct coresight_device *csdev,
		struct coresight_device *parent)
		{
		@@ -1018,6 +1035,9 @@ static ssize_t reset_source_sink_store(struct bus_type *bus,
		__coresight_disable(csdev);
		}

		/* Reset all activated sinks */
		coresight_reset_all_sink();

		mutex_unlock(&coresight_mutex);
		return size;
		}