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| author | Thierry Reding <treding@nvidia.com> | 2015-08-12 17:00:33 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-08-12 17:40:31 +0200 |
| commit | c30e11fc66fe21882c46e176ed695728ebd4293a (patch) | |
| tree | f066f04c125d8fae225af74fa65868a104a16ada /drivers/gpu/drm/drm_irq.c | |
| parent | cc1ef118fc099295ae6aabbacc8af94d8d8885eb (diff) | |
| download | lwn-c30e11fc66fe21882c46e176ed695728ebd4293a.tar.gz lwn-c30e11fc66fe21882c46e176ed695728ebd4293a.zip | |
drm/irq: Document return values more consistently
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>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index c393f0c0ad3b..05b939e8da41 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -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) { |