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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: oe-kbuild-all@lists.linux.dev, Sebastian Reichel , netdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Coia Prant Subject: Re: [PATCH net] net: ethernet: stmmac: dwmac-rk: fix bulk clock leak when the PHY clock fails Message-ID: <202609232146.QdgAwbzd-lkp@intel.com> References: <20260919174223.2356964-1-coiaprant@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260919174223.2356964-1-coiaprant@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260923_122256_832681_619BBD6C X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Coia, kernel test robot noticed the following build warnings: [auto build test WARNING on net/main] url: https://github.com/intel-lab-lkp/linux/commits/Coia-Prant/net-ethernet-stmmac-dwmac-rk-fix-bulk-clock-leak-when-the-PHY-clock-fails/20260920-014223 base: net/main patch link: https://lore.kernel.org/r/20260919174223.2356964-1-coiaprant%40gmail.com patch subject: [PATCH net] net: ethernet: stmmac: dwmac-rk: fix bulk clock leak when the PHY clock fails config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20260923/202609232146.QdgAwbzd-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260923/202609232146.QdgAwbzd-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609232146.QdgAwbzd-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:1168:5: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation] 1168 | return ret; | ^ drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:1165:4: note: previous statement is here 1165 | if (ret) | ^ >> drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:1177:2: warning: non-void function does not return a value in all control paths [-Wreturn-type] 1177 | } else { | ^ drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:1177:4: error: expected identifier or '(' 1177 | } else { | ^ drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:1189:2: error: expected identifier or '(' 1189 | return 0; | ^ drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:1190:1: error: extraneous closing brace ('}') 1190 | } | ^ 2 warnings and 3 errors generated. vim +1177 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c 7ad269ea1a2b7d Roger Chen 2014-12-29 1152 7ad269ea1a2b7d Roger Chen 2014-12-29 1153 static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable) 7ad269ea1a2b7d Roger Chen 2014-12-29 1154 { ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1155 int ret; 7ad269ea1a2b7d Roger Chen 2014-12-29 1156 7ad269ea1a2b7d Roger Chen 2014-12-29 1157 if (enable) { 7ad269ea1a2b7d Roger Chen 2014-12-29 1158 if (!bsp_priv->clk_enabled) { ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1159 ret = clk_bulk_prepare_enable(bsp_priv->num_clks, ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1160 bsp_priv->clks); ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1161 if (ret) ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1162 return ret; 7ad269ea1a2b7d Roger Chen 2014-12-29 1163 ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1164 ret = clk_prepare_enable(bsp_priv->clk_phy); ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1165 if (ret) cb278e6780d874 Coia Prant 2026-09-20 1166 clk_bulk_disable_unprepare(bsp_priv->num_clks, cb278e6780d874 Coia Prant 2026-09-20 1167 bsp_priv->clks); ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1168 return ret; cb278e6780d874 Coia Prant 2026-09-20 1169 } 23c94d63a7e395 David Wu 2018-06-28 1170 5c1fc7cb81dfed Russell King (Oracle 2026-02-04 1171) rk_configure_io_clksel(bsp_priv); 5c1fc7cb81dfed Russell King (Oracle 2026-02-04 1172) rk_ungate_rmii_clock(bsp_priv); 2f2b60a0ec2826 David Wu 2022-08-30 1173 7ad269ea1a2b7d Roger Chen 2014-12-29 1174 mdelay(5); 7ad269ea1a2b7d Roger Chen 2014-12-29 1175 bsp_priv->clk_enabled = true; 7ad269ea1a2b7d Roger Chen 2014-12-29 1176 } 7ad269ea1a2b7d Roger Chen 2014-12-29 @1177 } else { 7ad269ea1a2b7d Roger Chen 2014-12-29 1178 if (bsp_priv->clk_enabled) { 5c1fc7cb81dfed Russell King (Oracle 2026-02-04 1179) rk_gate_rmii_clock(bsp_priv); 7f864458e9a6d2 Sebastian Reichel 2025-10-14 1180 ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1181 clk_bulk_disable_unprepare(bsp_priv->num_clks, ea449f7fa0bf3f Sebastian Reichel 2023-04-07 1182 bsp_priv->clks); fecd4d7eef8b21 David Wu 2017-08-10 1183 clk_disable_unprepare(bsp_priv->clk_phy); fecd4d7eef8b21 David Wu 2017-08-10 1184 7ad269ea1a2b7d Roger Chen 2014-12-29 1185 bsp_priv->clk_enabled = false; 7ad269ea1a2b7d Roger Chen 2014-12-29 1186 } 7ad269ea1a2b7d Roger Chen 2014-12-29 1187 } 7ad269ea1a2b7d Roger Chen 2014-12-29 1188 7ad269ea1a2b7d Roger Chen 2014-12-29 1189 return 0; 7ad269ea1a2b7d Roger Chen 2014-12-29 1190 } 7ad269ea1a2b7d Roger Chen 2014-12-29 1191 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki