diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-02-17 17:51:59 -0700 |
|---|---|---|
| committer | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-06-01 15:31:25 -0600 |
| commit | 5e1df2fa7a6dd8452f56e17c0db9b1214fd8590f (patch) | |
| tree | 7f1255f44f8ae6c4976613206405dfcdf2a53598 /drivers/hwtracing/coresight/coresight.c | |
| parent | 1aac114220bb712bb693f93a636be4bb9b27876e (diff) | |
coresight: etb10: adding operation mode for sink->enable()
Adding an operation mode to the sink->enable() API in order
to prevent simultaneous access from different callers.
TPIU and TMC won't be supplemented with the AUX area
API immediately and as such ignore the new mode.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit e827d4550aa3225b8965ce4c266208cfe0297509)
Diffstat (limited to 'drivers/hwtracing/coresight/coresight.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 95cccb179763..6ec2b66af9ee 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -121,13 +121,13 @@ static int coresight_find_link_outport(struct coresight_device *csdev, return 0; } -static int coresight_enable_sink(struct coresight_device *csdev) +static int coresight_enable_sink(struct coresight_device *csdev, u32 mode) { int ret; if (!csdev->enable) { if (sink_ops(csdev)->enable) { - ret = sink_ops(csdev)->enable(csdev); + ret = sink_ops(csdev)->enable(csdev, mode); if (ret) return ret; } @@ -283,7 +283,7 @@ void coresight_disable_path(struct list_head *path) } } -int coresight_enable_path(struct list_head *path) +int coresight_enable_path(struct list_head *path, u32 mode) { int ret = 0; @@ -296,7 +296,7 @@ int coresight_enable_path(struct list_head *path) switch (csdev->type) { case CORESIGHT_DEV_TYPE_SINK: case CORESIGHT_DEV_TYPE_LINKSINK: - ret = coresight_enable_sink(csdev); + ret = coresight_enable_sink(csdev, mode); if (ret) goto err; break; @@ -454,7 +454,7 @@ int coresight_enable(struct coresight_device *csdev) goto out; } - ret = coresight_enable_path(path); + ret = coresight_enable_path(path, CS_MODE_SYSFS); if (ret) goto err_path; |