Since the function ipu_dmfc_init_channel() always returns zero, we may change the return type to void to simplify the code.
Signed-off-by: Liu Ying gnuiyl@gmail.com --- drivers/gpu/drm/imx/ipuv3-plane.c | 6 +----- drivers/gpu/ipu-v3/ipu-dmfc.c | 4 +--- include/video/imx-ipu-v3.h | 2 +- 3 files changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index d078373..0faf84a 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -200,11 +200,7 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, } }
- ret = ipu_dmfc_init_channel(ipu_plane->dmfc, crtc_w); - if (ret) { - dev_err(dev, "initializing dmfc channel failed with %d\n", ret); - return ret; - } + ipu_dmfc_init_channel(ipu_plane->dmfc, crtc_w);
ret = ipu_dmfc_alloc_bandwidth(ipu_plane->dmfc, calc_bandwidth(crtc_w, crtc_h, diff --git a/drivers/gpu/ipu-v3/ipu-dmfc.c b/drivers/gpu/ipu-v3/ipu-dmfc.c index 129ccfa..3aa9878 100644 --- a/drivers/gpu/ipu-v3/ipu-dmfc.c +++ b/drivers/gpu/ipu-v3/ipu-dmfc.c @@ -350,7 +350,7 @@ out: } EXPORT_SYMBOL_GPL(ipu_dmfc_alloc_bandwidth);
-int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) +void ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) { struct ipu_dmfc_priv *priv = dmfc->priv; u32 dmfc_gen1; @@ -367,8 +367,6 @@ int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) writel(dmfc_gen1, priv->base + DMFC_GENERAL1);
mutex_unlock(&priv->mutex); - - return 0; } EXPORT_SYMBOL_GPL(ipu_dmfc_init_channel);
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index eeba753..07dfc41 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -236,7 +236,7 @@ void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc); int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc, unsigned long bandwidth_mbs, int burstsize); void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc); -int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width); +void ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width); struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel); void ipu_dmfc_put(struct dmfc_channel *dmfc);