diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-09-20 22:17:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-25 21:09:18 +0300 |
| commit | 3d6e8935758392179645e1b105789b3da329ad38 (patch) | |
| tree | 185757d4c134f327f7cf817e74b9573e664ecfba /drivers/hwtracing/coresight/coresight-priv.h | |
| parent | d25054ee8d18c937058a1b69b35fa5bfdef471f3 (diff) | |
| download | linux-3d6e8935758392179645e1b105789b3da329ad38.tar.xz | |
coresight: perf: Remove set_buffer call back
In coresight perf mode, we need to prepare the sink before
starting a session, which is done via set_buffer call back.
We then proceed to enable the tracing. If we fail to start
the session successfully, we leave the sink configuration
unchanged. In order to make the operation atomic and to
avoid yet another call back to clear the buffer, we get
rid of the "set_buffer" call back and pass the buffer details
via enable() call back to the sink.
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-priv.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-priv.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h index 1a6cf3589866..c11da5564a67 100644 --- a/drivers/hwtracing/coresight/coresight-priv.h +++ b/drivers/hwtracing/coresight/coresight-priv.h @@ -137,7 +137,7 @@ static inline void coresight_write_reg_pair(void __iomem *addr, u64 val, } void coresight_disable_path(struct list_head *path); -int coresight_enable_path(struct list_head *path, u32 mode); +int coresight_enable_path(struct list_head *path, u32 mode, void *sink_data); struct coresight_device *coresight_get_sink(struct list_head *path); struct coresight_device *coresight_get_enabled_sink(bool reset); struct list_head *coresight_build_path(struct coresight_device *csdev, |