diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-07-11 22:40:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-15 14:52:57 +0300 |
| commit | 6f755e85c332de532d1bbcf1c9769aad08e8cb41 (patch) | |
| tree | 75a01a6a3744161aa7aa6403b2e684d942a29d7c /drivers/hwtracing/coresight/coresight.c | |
| parent | ef32df53b73bd29d5bfa4af4fda287baa6dc6544 (diff) | |
| download | linux-6f755e85c332de532d1bbcf1c9769aad08e8cb41.tar.xz | |
coresight: Add helper for inserting synchronization packets
Right now we open code filling the trace buffer with synchronization
packets when the circular buffer wraps around in different drivers.
Move this to a common place. While at it, clean up the barrier_pkt
array to strip off the trailing '\0'.
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 29e834aab539..4969b329511c 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -51,8 +51,7 @@ static struct list_head *stm_path; * beginning of the data collected in a buffer. That way the decoder knows that * it needs to look for another sync sequence. */ -const u32 barrier_pkt[5] = {0x7fffffff, 0x7fffffff, - 0x7fffffff, 0x7fffffff, 0x0}; +const u32 barrier_pkt[4] = {0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff}; static int coresight_id_match(struct device *dev, void *data) { |