linux-kernel - [PATCH] phy: mediatek/mt8195: fx mtk_hdmi_pll

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Message-Id: <20230414075842.4006164-1-arnd@kernel.org>
Date:   Fri, 14 Apr 2023 09:58:26 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Guillaume Ranquet <granquet@...libre.com>
Cc:     Arnd Bergmann <arnd@...db.de>, dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] phy: mediatek/mt8195: fx mtk_hdmi_pll_calc() return code

From: Arnd Bergmann <arnd@...db.de>

The newly added function returns an uninitialized variable:

drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c:298:6: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]

Wire it up to the return code of the function called just before,
assuming that this was the intention originally.

Fixes: 45810d486bb4 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
index abfc077fb0a8..c8e540665fcb 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
@@ -292,7 +292,7 @@ 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,
+	ret = mtk_hdmi_pll_set_hw(hw, PLL_PREDIV, fbkdiv_high, fbkdiv_low,
 			    PLL_FBKDIV_HS3, posdiv1, posdiv2, txprediv,
 			    txposdiv, digital_div);
 	if (ret)
-- 
2.39.2