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coresight-etm: Fix initial trace ID value

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

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathieu Poirier 2015-01-09 16:57:17 -07:00 committed by Greg Kroah-Hartman
parent 3ff7ca051a
commit b2c09284bb
1 changed files with 5 additions and 1 deletions
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6
drivers/coresight/coresight-etm3x.c
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@ -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 */