[PATCH v2 1/4] drm: add devm release action

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In scenarios where drm_dev_put is directly called by driver we want to
release devm_drm_dev_init_release action associated with struct
drm_device.

v2: Directly expose the original function, instead of introducing a
helper (Rodrigo)

Cc: Thomas Hellstr_m <thomas.hellstrom@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_drv.c | 6 ++++++
 include/drm/drm_drv.h     | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 243cacb3575c..ba60cbb0725f 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -714,6 +714,12 @@ static int devm_drm_dev_init(struct device *parent,
 					devm_drm_dev_init_release, dev);
 }
 
+void devm_drm_dev_release_action(struct drm_device *dev)
+{
+	devm_release_action(dev->dev, devm_drm_dev_init_release, dev);
+}
+EXPORT_SYMBOL(devm_drm_dev_release_action);
+
 void *__devm_drm_dev_alloc(struct device *parent,
 			   const struct drm_driver *driver,
 			   size_t size, size_t offset)
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 8878260d7529..fa9123684874 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -444,6 +444,8 @@ struct drm_driver {
 	const struct file_operations *fops;
 };
 
+void devm_drm_dev_release_action(struct drm_device *dev);
+
 void *__devm_drm_dev_alloc(struct device *parent,
 			   const struct drm_driver *driver,
 			   size_t size, size_t offset);
-- 
2.25.1




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