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