commit 1655a3d6f3174f359bc0bf25312fa4057dc81c72
author Mathieu Poirier <mathieu.poirier@linaro.org> Wed Aug 02 10:21:58 2017 -0600
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mon Aug 28 16:05:47 2017 +0200
tree 252e7e9bf046e7d278502e84692de9f24f2a91ec
parent 0c3fc4d5fa26092853278145aca9b21fa52a3e93

coresight: etb10: Move etb_disable_hw() outside of lock

Function etb_disable_hw() is already taking care of unlocking and locking
the coresight access register and as such doesn't need to be placed
within the unlock/lock of function etb_update_buffer().

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/hwtracing/coresight/coresight-etb10.c

diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 4236030..d0d1865 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -376,8 +376,8 @@ static void etb_update_buffer(struct coresight_device *csdev,
 
 	capacity = drvdata->buffer_depth * ETB_FRAME_SIZE_WORDS;
 
-	CS_UNLOCK(drvdata->base);
 	etb_disable_hw(drvdata);
+	CS_UNLOCK(drvdata->base);
 
 	/* unit is in words, not bytes */
 	read_ptr = readl_relaxed(drvdata->base + ETB_RAM_READ_POINTER);