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Commit b2c09284 authored by Mathieu Poirier's avatar Mathieu Poirier Committed by Greg Kroah-Hartman
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coresight-etm: Fix initial trace ID value 



The coresight TRM specify that a component's trace ID should
be other than 0.

Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3ff7ca05

drivers/coresight/coresight-etm3x.c

+5 −1
Original line number Diff line number Diff line
@@ -1749,7 +1749,11 @@ static void etm_init_arch_data(void *info) 


static void etm_init_default_data(struct etm_drvdata *drvdata)

{

	static int etm3x_traceid;

	/*

	 * A trace ID of value 0 is invalid, so let's start at some

	 * random value that fits in 7 bits and will be just as good.

	 */

	static int etm3x_traceid = 0x10;



	u32 flags = (1 << 0 | /* instruction execute*/

		     3 << 3 | /* ARM instruction */