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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH] phy: mediatek: fix returning garbage Content-Language: en-US To: Tom Rix , chunkuang.hu@kernel.org, p.zabel@pengutronix.de, chunfeng.yun@mediatek.com, vkoul@kernel.org, kishon@kernel.org, angelogioacchino.delregno@collabora.com, nathan@kernel.org, ndesaulniers@google.com, granquet@baylibre.com Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev References: <20230414122253.3171524-1-trix@redhat.com> From: Matthias Brugger In-Reply-To: <20230414122253.3171524-1-trix@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/04/2023 14:22, Tom Rix wrote: > clang reports > drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c:298:6: error: variable > 'ret' is uninitialized when used here [-Werror,-Wuninitialized] > if (ret) > ^~~ > ret should have been set by the preceding call to mtk_hdmi_pll_set_hw. > > Fixes: 45810d486bb4 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195") > Signed-off-by: Tom Rix Reviewed-by: Matthias Brugger > --- > drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c > index abfc077fb0a8..c63294e451d6 100644 > --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c > +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c > @@ -292,9 +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, > - PLL_FBKDIV_HS3, posdiv1, posdiv2, txprediv, > - txposdiv, digital_div); > + ret = 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; >