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drm/irq: Document return values more consistently

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Some of the functions are documented inconsistently. Add Returns:
sections where missing and use consistent style to describe the return
value.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Thierry Reding 2015-08-12 17:00:33 +02:00 committed by Daniel Vetter
parent cc1ef118fc
commit c30e11fc66
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/drm_irq.c
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@ -1006,6 +1006,9 @@ EXPORT_SYMBOL(drm_crtc_send_vblank_event);
* drm_vblank_enable - enable the vblank interrupt on a CRTC
* @dev: DRM device
* @pipe: CRTC index
*
* Returns:
* Zero on success or a negative error code on failure.
*/
static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
{
@ -1050,7 +1053,7 @@ static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
* This is the legacy version of drm_crtc_vblank_get().
*
* Returns:
* Zero on success, nonzero on failure.
* Zero on success or a negative error code on failure.
*/
int drm_vblank_get(struct drm_device *dev, unsigned int pipe)
{
@ -1090,7 +1093,7 @@ EXPORT_SYMBOL(drm_vblank_get);
* This is the native kms version of drm_vblank_get().
*
* Returns:
* Zero on success, nonzero on failure.
* Zero on success or a negative error code on failure.
*/
int drm_crtc_vblank_get(struct drm_crtc *crtc)
{