Merge tag 'coresight-next-v6.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Suzuki writes:

coresight: updates for Linux v6.16

CoreSight self-hosted trace driver subsystem updates for Linux v6.16 includes:
 - Clear CLAIM tags on device probe if self-hosted tags are set.
 - Support for perf AUX pause/resume for CoreSight ETM PMU driver, with trace
   collection at pause.
 - Miscellaneous fixes for the subsystem

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

* tag 'coresight-next-v6.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (27 commits)
  coresight: prevent deactivate active config while enabling the config
  coresight: holding cscfg_csdev_lock while removing cscfg from csdev
  coresight/etm4: fix missing disable active config
  coresight: etm4x: Fix timestamp bit field handling
  coresight: tmc: fix failure to disable/enable ETF after reading
  Documentation: coresight: Document AUX pause and resume
  coresight: perf: Update buffer on AUX pause
  coresight: tmc: Re-enable sink after buffer update
  coresight: perf: Support AUX trace pause and resume
  coresight: etm4x: Hook pause and resume callbacks
  coresight: Introduce pause and resume APIs for source
  coresight: etm4x: Extract the trace unit controlling
  coresight: cti: Replace inclusion by struct fwnode_handle forward declaration
  coresight: Disable MMIO logging for coresight stm driver
  coresight: replicator: Fix panic for clearing claim tag
  coresight: Add a KUnit test for coresight_find_default_sink()
  coresight: Remove extern from function declarations
  coresight: Remove inlines from static function definitions
  coresight: Clear self hosted claim tag on probe
  coresight: etm3x: Convert raw base pointer to struct coresight access
  ...

1 files changed, 25 insertions, 21 deletions

diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index d79a242b271d..4ac65c68bbf4 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -398,6 +398,8 @@ struct coresight_ops_link {
  *		is associated to.
  * @enable:	enables tracing for a source.
  * @disable:	disables tracing for a source.
+ * @resume_perf: resumes tracing for a source in perf session.
+ * @pause_perf:	pauses tracing for a source in perf session.
  */
 struct coresight_ops_source {
 	int (*cpu_id)(struct coresight_device *csdev);
@@ -405,6 +407,8 @@ struct coresight_ops_source {
 		      enum cs_mode mode, struct coresight_path *path);
 	void (*disable)(struct coresight_device *csdev,
 			struct perf_event *event);
+	int (*resume_perf)(struct coresight_device *csdev);
+	void (*pause_perf)(struct coresight_device *csdev);
 };
 
 /**
@@ -671,27 +675,27 @@ static inline void coresight_set_mode(struct coresight_device *csdev,
 	local_set(&csdev->mode, new_mode);
 }
 
-extern struct coresight_device *
-coresight_register(struct coresight_desc *desc);
-extern void coresight_unregister(struct coresight_device *csdev);
-extern int coresight_enable_sysfs(struct coresight_device *csdev);
-extern void coresight_disable_sysfs(struct coresight_device *csdev);
-extern int coresight_timeout(struct csdev_access *csa, u32 offset,
-			     int position, int value);
+struct coresight_device *coresight_register(struct coresight_desc *desc);
+void coresight_unregister(struct coresight_device *csdev);
+int coresight_enable_sysfs(struct coresight_device *csdev);
+void coresight_disable_sysfs(struct coresight_device *csdev);
+int coresight_timeout(struct csdev_access *csa, u32 offset, int position, int value);
 typedef void (*coresight_timeout_cb_t) (struct csdev_access *, u32, int, int);
-extern int coresight_timeout_action(struct csdev_access *csa, u32 offset,
-					int position, int value,
-					coresight_timeout_cb_t cb);
-
-extern int coresight_claim_device(struct coresight_device *csdev);
-extern int coresight_claim_device_unlocked(struct coresight_device *csdev);
-
-extern void coresight_disclaim_device(struct coresight_device *csdev);
-extern void coresight_disclaim_device_unlocked(struct coresight_device *csdev);
-extern char *coresight_alloc_device_name(struct coresight_dev_list *devs,
+int coresight_timeout_action(struct csdev_access *csa, u32 offset, int position, int value,
+			     coresight_timeout_cb_t cb);
+int coresight_claim_device(struct coresight_device *csdev);
+int coresight_claim_device_unlocked(struct coresight_device *csdev);
+
+int coresight_claim_device(struct coresight_device *csdev);
+int coresight_claim_device_unlocked(struct coresight_device *csdev);
+void coresight_clear_self_claim_tag(struct csdev_access *csa);
+void coresight_clear_self_claim_tag_unlocked(struct csdev_access *csa);
+void coresight_disclaim_device(struct coresight_device *csdev);
+void coresight_disclaim_device_unlocked(struct coresight_device *csdev);
+char *coresight_alloc_device_name(struct coresight_dev_list *devs,
 					 struct device *dev);
 
-extern bool coresight_loses_context_with_cpu(struct device *dev);
+bool coresight_loses_context_with_cpu(struct device *dev);
 
 u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset);
 u32 coresight_read32(struct coresight_device *csdev, u32 offset);
@@ -704,8 +708,8 @@ void coresight_relaxed_write64(struct coresight_device *csdev,
 			       u64 val, u32 offset);
 void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset);
 
-extern int coresight_get_cpu(struct device *dev);
-extern int coresight_get_static_trace_id(struct device *dev, u32 *id);
+int coresight_get_cpu(struct device *dev);
+int coresight_get_static_trace_id(struct device *dev, u32 *id);
 
 struct coresight_platform_data *coresight_get_platform_data(struct device *dev);
 struct coresight_connection *
@@ -723,7 +727,7 @@ coresight_find_output_type(struct coresight_platform_data *pdata,
 			   union coresight_dev_subtype subtype);
 
 int coresight_init_driver(const char *drv, struct amba_driver *amba_drv,
-			  struct platform_driver *pdev_drv);
+			  struct platform_driver *pdev_drv, struct module *owner);
 
 void coresight_remove_driver(struct amba_driver *amba_drv,
 			     struct platform_driver *pdev_drv);