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coresight: Use enum type for cs_mode wherever possible

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mode is stored as a local_t, but it is also passed around a lot as a
plain u32, so use the correct type wherever local_t isn't currently
used. This helps a little bit with readability.

Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230425143542.2305069-3-james.clark@arm.com
This commit is contained in:
James Clark
2023-04-25 15:35:29 +01:00
committed by Suzuki K Poulose
parent c45b2835e7
commit 9fa3682869
14 changed files with 40 additions and 34 deletions
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13
include/linux/coresight.h
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@@ -272,6 +272,12 @@ static struct coresight_dev_list (var) = { \
#define to_coresight_device(d) container_of(d, struct coresight_device, dev)
enum cs_mode {
CS_MODE_DISABLED,
CS_MODE_SYSFS,
CS_MODE_PERF,
};
#define source_ops(csdev) csdev->ops->source_ops
#define sink_ops(csdev) csdev->ops->sink_ops
#define link_ops(csdev) csdev->ops->link_ops
@@ -288,7 +294,8 @@ static struct coresight_dev_list (var) = { \
* @update_buffer: update buffer pointers after a trace session.
*/
struct coresight_ops_sink {
int (*enable)(struct coresight_device *csdev, u32 mode, void *data);
int (*enable)(struct coresight_device *csdev, enum cs_mode mode,
void *data);
int (*disable)(struct coresight_device *csdev);
void *(*alloc_buffer)(struct coresight_device *csdev,
struct perf_event *event, void **pages,
@@ -320,8 +327,8 @@ struct coresight_ops_link {
*/
struct coresight_ops_source {
int (*cpu_id)(struct coresight_device *csdev);
int (*enable)(struct coresight_device *csdev,
struct perf_event *event, u32 mode);
int (*enable)(struct coresight_device *csdev, struct perf_event *event,
enum cs_mode mode);
void (*disable)(struct coresight_device *csdev,
struct perf_event *event);
};