On 14/04/2023 18:07, Guillaume Ranquet wrote:
The ret variable in mtk_hdmi_pll_calc() was used unitialized as reported
by the kernel test robot.
Fix the issue by removing the variable altogether and testing out the
return value of mtk_hdmi_pll_set_hw()
Fixes: 45810d486bb44 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
Looks good, but got unfortunately already fixed 4 hours ago with
20230414122253.3171524-1-trix@xxxxxxxxxx
:)
Regards,
Matthias
---
drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
index abfc077fb0a8..054b73cb31ee 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
@@ -213,7 +213,7 @@ static int mtk_hdmi_pll_calc(struct mtk_hdmi_phy *hdmi_phy, struct clk_hw *hw,
u64 tmds_clk, pixel_clk, da_hdmitx21_ref_ck, ns_hdmipll_ck, pcw;
u8 txpredivs[4] = { 2, 4, 6, 12 };
u32 fbkdiv_low;
- int i, ret;
+ int i;
pixel_clk = rate;
tmds_clk = pixel_clk;
@@ -292,13 +292,9 @@ static int mtk_hdmi_pll_calc(struct mtk_hdmi_phy *hdmi_phy, struct clk_hw *hw,
if (!(digital_div <= 32 && digital_div >= 1))
return -EINVAL;
- mtk_hdmi_pll_set_hw(hw, PLL_PREDIV, fbkdiv_high, fbkdiv_low,
+ return mtk_hdmi_pll_set_hw(hw, PLL_PREDIV, fbkdiv_high, fbkdiv_low,
PLL_FBKDIV_HS3, posdiv1, posdiv2, txprediv,
txposdiv, digital_div);
- if (ret)
- return -EINVAL;
-
- return 0;
}
static int mtk_hdmi_pll_drv_setting(struct clk_hw *hw)