diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-07-11 22:40:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-15 14:52:59 +0300 |
| commit | 434d611cddef1ceed32bf416a363992b01a3ff9a (patch) | |
| tree | a3257f7cec20386097ca1e79fded50777ea55d76 /drivers/hwtracing/coresight/coresight-tmc.h | |
| parent | 8ed536b1e2838dad4f495347f0917b1cb6e3604f (diff) | |
| download | linux-434d611cddef1ceed32bf416a363992b01a3ff9a.tar.xz | |
coresight: catu: Plug in CATU as a backend for ETR buffer
Now that we can use a CATU with a scatter gather table, add support
for the TMC ETR to make use of the connected CATU in translate mode.
This is done by adding CATU as new buffer mode.
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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h index e7456575bfc1..7027bd60c4cc 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.h +++ b/drivers/hwtracing/coresight/coresight-tmc.h @@ -126,6 +126,7 @@ 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 */ + ETR_MODE_CATU, /* Use SG mechanism in CATU */ }; struct etr_buf_operations; @@ -303,4 +304,6 @@ tmc_sg_table_buf_size(struct tmc_sg_table *sg_table) return sg_table->data_pages.nr_pages << PAGE_SHIFT; } +struct coresight_device *tmc_etr_get_catu_device(struct tmc_drvdata *drvdata); + #endif |