coresight-tmc-etr: remove mem_lock when call usb_qdss_close



This mem_lock will cause deadlock when usb close router call back to
usb_notifier. so remove it.

Change-Id: I9530c843702ca605f6935cc0ac6d9649bf204594
Signed-off-by: Yuanfang Zhang <zhangyuanfang@codeaurora.org>

parent 6986bce2

drivers/hwtracing/coresight/coresight-tmc-etr.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2021,7 +2021,9 @@ static int _tmc_disable_etr_sink(struct coresight_device *csdev,
		spin_unlock_irqrestore(&drvdata->spinlock,
		flags);
		tmc_etr_bam_disable(drvdata);
		mutex_unlock(&drvdata->mem_lock);
		usb_qdss_close(drvdata->usbch);
		mutex_lock(&drvdata->mem_lock);
		drvdata->usbch = NULL;
		goto out;
		} else {