We are not checking the return value from msm_dsi_phy_disable(). Change the return type to void.
Signed-off-by: Hai Li hali@codeaurora.org --- drivers/gpu/drm/msm/dsi/dsi.h | 2 +- drivers/gpu/drm/msm/dsi/dsi_phy.c | 16 +++++----------- 2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 09492bf..5f5a373 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -168,7 +168,7 @@ void msm_dsi_phy_driver_register(void); void msm_dsi_phy_driver_unregister(void); int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, const unsigned long bit_rate, const unsigned long esc_rate); -int msm_dsi_phy_disable(struct msm_dsi_phy *phy); +void msm_dsi_phy_disable(struct msm_dsi_phy *phy); void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy, u32 *clk_pre, u32 *clk_post); struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy); diff --git a/drivers/gpu/drm/msm/dsi/dsi_phy.c b/drivers/gpu/drm/msm/dsi/dsi_phy.c index 799201e..77f1efe 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/dsi_phy.c @@ -23,7 +23,7 @@ struct dsi_phy_ops { int (*enable)(struct msm_dsi_phy *phy, int src_pll_id, const unsigned long bit_rate, const unsigned long esc_rate); - int (*disable)(struct msm_dsi_phy *phy); + void (*disable)(struct msm_dsi_phy *phy); };
struct dsi_phy_cfg { @@ -399,7 +399,7 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, return 0; }
-static int dsi_28nm_phy_disable(struct msm_dsi_phy *phy) +static void dsi_28nm_phy_disable(struct msm_dsi_phy *phy) { dsi_phy_write(phy->base + REG_DSI_28nm_PHY_CTRL_0, 0); dsi_28nm_phy_regulator_ctrl(phy, false); @@ -409,8 +409,6 @@ static int dsi_28nm_phy_disable(struct msm_dsi_phy *phy) * ensure that the phy is completely disabled */ wmb(); - - return 0; }
static void dsi_20nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable) @@ -515,12 +513,10 @@ static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, return 0; }
-static int dsi_20nm_phy_disable(struct msm_dsi_phy *phy) +static void dsi_20nm_phy_disable(struct msm_dsi_phy *phy) { dsi_phy_write(phy->base + REG_DSI_20nm_PHY_CTRL_0, 0); dsi_20nm_phy_regulator_ctrl(phy, false); - - return 0; }
static int dsi_phy_enable_resource(struct msm_dsi_phy *phy) @@ -730,15 +726,13 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, return phy->cfg->ops.enable(phy, src_pll_id, bit_rate, esc_rate); }
-int msm_dsi_phy_disable(struct msm_dsi_phy *phy) +void msm_dsi_phy_disable(struct msm_dsi_phy *phy) { if (!phy || !phy->cfg->ops.disable) - return -EINVAL; + return;
phy->cfg->ops.disable(phy); dsi_phy_regulator_disable(phy); - - return 0; }
void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy,