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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-07-11 22:40:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-15 14:52:57 +0300 |
| commit | e8e3b771395d9b75ba5da409b7d20435ddb05a21 (patch) | |
| tree | 7bf64d1f05f1f68f7fde7399c773df67de50cc40 /drivers/hwtracing/coresight/coresight-tmc.h | |
| parent | 75f4e3619fe202c642080a798e84d05288522a22 (diff) | |
| download | linux-e8e3b771395d9b75ba5da409b7d20435ddb05a21.tar.xz | |
coresight: tmc-etr buf: Add TMC scatter gather mode backend
Add the support for Scatter-Gather mode to the etr-buf layer.
Since we now have two different modes, we choose the backend
based on a set of conditions, documented in the code.
Cc: Mathieu Poirier <mathieu.poirier@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-tmc.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h index bbd65e2107be..e7456575bfc1 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.h +++ b/drivers/hwtracing/coresight/coresight-tmc.h @@ -125,6 +125,7 @@ enum tmc_mem_intf_width { enum etr_mode { ETR_MODE_FLAT, /* Uses contiguous flat buffer */ + ETR_MODE_ETR_SG, /* Uses in-built TMC ETR SG mechanism */ }; struct etr_buf_operations; |