diff mbox series

[v2,34/36,RFC] coresight: Pass coresight_device for coresight_release_platform_data

Message ID 1555344260-12375-35-git-send-email-suzuki.poulose@arm.com
State New
Headers show
Series coresight: Support for ACPI bindings | expand

Commit Message

Suzuki K Poulose April 15, 2019, 4:04 p.m. UTC
As we prepare to expose the links between the devices in
sysfs, pass the coresight_device instance to the
coresight_release_platform_data in order to free up the connections
when the device is removed.

No functional changes as such in this patch.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

---
 drivers/hwtracing/coresight/coresight-platform.c | 2 +-
 drivers/hwtracing/coresight/coresight-priv.h     | 3 ++-
 drivers/hwtracing/coresight/coresight.c          | 7 ++++---
 3 files changed, 7 insertions(+), 5 deletions(-)

-- 
2.7.4

Comments

Mathieu Poirier April 29, 2019, 5:40 p.m. UTC | #1
On Mon, Apr 15, 2019 at 05:04:17PM +0100, Suzuki K Poulose wrote:
> As we prepare to expose the links between the devices in

> sysfs, pass the coresight_device instance to the

> coresight_release_platform_data in order to free up the connections

> when the device is removed.

> 

> No functional changes as such in this patch.

> 

> Cc: Mathieu Poirier <mathieu.poirier@linaro.org>

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

> ---

>  drivers/hwtracing/coresight/coresight-platform.c | 2 +-

>  drivers/hwtracing/coresight/coresight-priv.h     | 3 ++-

>  drivers/hwtracing/coresight/coresight.c          | 7 ++++---

>  3 files changed, 7 insertions(+), 5 deletions(-)

> 

> diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c

> index 224f698..6559c49 100644

> --- a/drivers/hwtracing/coresight/coresight-platform.c

> +++ b/drivers/hwtracing/coresight/coresight-platform.c

> @@ -734,7 +734,7 @@ coresight_get_platform_data(struct device *dev)

>  		return pdata;

>  

>  	/* Cleanup the connection information */

> -	coresight_release_platform_data(pdata);

> +	coresight_release_platform_data(NULL, pdata);

>  	return ret;

>  }

>  EXPORT_SYMBOL_GPL(coresight_get_platform_data);

> diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h

> index 61d7f9f..bf28ca9 100644

> --- a/drivers/hwtracing/coresight/coresight-priv.h

> +++ b/drivers/hwtracing/coresight/coresight-priv.h

> @@ -200,6 +200,7 @@ static inline void *coresight_get_uci_data(const struct amba_id *id)

>  	return 0;

>  }

>  

> -void coresight_release_platform_data(struct coresight_platform_data *pdata);

> +void coresight_release_platform_data(struct coresight_device *csdev,

> +				     struct coresight_platform_data *pdata);

>  

>  #endif

> diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c

> index e3b9321..010bc86 100644

> --- a/drivers/hwtracing/coresight/coresight.c

> +++ b/drivers/hwtracing/coresight/coresight.c

> @@ -1173,7 +1173,8 @@ postcore_initcall(coresight_init);

>   * coresight_release_platform_data: Release references to the devices connected

>   * to the output port of this device.

>   */

> -void coresight_release_platform_data(struct coresight_platform_data *pdata)

> +void coresight_release_platform_data(struct coresight_device *csdev,

> +				     struct coresight_platform_data *pdata)

>  {

>  	int i;

>  

> @@ -1275,7 +1276,7 @@ struct coresight_device *coresight_register(struct coresight_desc *desc)

>  	kfree(csdev);

>  err_out:

>  	/* Cleanup the connection information */

> -	coresight_release_platform_data(desc->pdata);

> +	coresight_release_platform_data(NULL, desc->pdata);

>  	return ERR_PTR(ret);

>  }

>  EXPORT_SYMBOL_GPL(coresight_register);

> @@ -1285,7 +1286,7 @@ void coresight_unregister(struct coresight_device *csdev)

>  	etm_perf_del_symlink_sink(csdev);

>  	/* Remove references of that device in the topology */

>  	coresight_remove_conns(csdev);

> -	coresight_release_platform_data(csdev->pdata);

> +	coresight_release_platform_data(csdev, csdev->pdata);

>  	device_unregister(&csdev->dev);

>  }

>  EXPORT_SYMBOL_GPL(coresight_unregister);


Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>


> -- 

> 2.7.4

>
diff mbox series

Patch

diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c
index 224f698..6559c49 100644
--- a/drivers/hwtracing/coresight/coresight-platform.c
+++ b/drivers/hwtracing/coresight/coresight-platform.c
@@ -734,7 +734,7 @@  coresight_get_platform_data(struct device *dev)
 		return pdata;
 
 	/* Cleanup the connection information */
-	coresight_release_platform_data(pdata);
+	coresight_release_platform_data(NULL, pdata);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(coresight_get_platform_data);
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index 61d7f9f..bf28ca9 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -200,6 +200,7 @@  static inline void *coresight_get_uci_data(const struct amba_id *id)
 	return 0;
 }
 
-void coresight_release_platform_data(struct coresight_platform_data *pdata);
+void coresight_release_platform_data(struct coresight_device *csdev,
+				     struct coresight_platform_data *pdata);
 
 #endif
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index e3b9321..010bc86 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -1173,7 +1173,8 @@  postcore_initcall(coresight_init);
  * coresight_release_platform_data: Release references to the devices connected
  * to the output port of this device.
  */
-void coresight_release_platform_data(struct coresight_platform_data *pdata)
+void coresight_release_platform_data(struct coresight_device *csdev,
+				     struct coresight_platform_data *pdata)
 {
 	int i;
 
@@ -1275,7 +1276,7 @@  struct coresight_device *coresight_register(struct coresight_desc *desc)
 	kfree(csdev);
 err_out:
 	/* Cleanup the connection information */
-	coresight_release_platform_data(desc->pdata);
+	coresight_release_platform_data(NULL, desc->pdata);
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL_GPL(coresight_register);
@@ -1285,7 +1286,7 @@  void coresight_unregister(struct coresight_device *csdev)
 	etm_perf_del_symlink_sink(csdev);
 	/* Remove references of that device in the topology */
 	coresight_remove_conns(csdev);
-	coresight_release_platform_data(csdev->pdata);
+	coresight_release_platform_data(csdev, csdev->pdata);
 	device_unregister(&csdev->dev);
 }
 EXPORT_SYMBOL_GPL(coresight_unregister);