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Sun, 01 Jun 2025 23:08:31 -0700 (PDT) Received: from localhost ([41.210.143.146]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-3a4f00a02cdsm13745291f8f.94.2025.06.01.23.08.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Jun 2025 23:08:31 -0700 (PDT) Date: Mon, 2 Jun 2025 09:08:27 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Samuel Kayode via B4 Relay , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Dmitry Torokhov , Sebastian Reichel Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-pm@vger.kernel.org, Samuel Kayode , eballetbo@gmail.com, abelvesa@linux.com, b38343@freescale.com, yibin.gong@nxp.com, Abel Vesa Subject: Re: [PATCH v3 2/6] mfd: pf1550: add core mfd driver Message-ID: <202505290859.CKZrTkZu-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250527-pf1550-v3-2-45f69453cd51@savoirfairelinux.com> Hi Samuel, kernel test robot noticed the following build warnings: url: https://github.com/intel-lab-lkp/linux/commits/Samuel-Kayode-via-B4-Relay/dt-bindings-mfd-add-pf1550/20250528-062840 base: 0a4b866d08c6adaea2f4592d31edac6deeb4dcbd patch link: https://lore.kernel.org/r/20250527-pf1550-v3-2-45f69453cd51%40savoirfairelinux.com patch subject: [PATCH v3 2/6] mfd: pf1550: add core mfd driver config: nios2-randconfig-r072-20250529 (https://download.01.org/0day-ci/archive/20250529/202505290859.CKZrTkZu-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 10.5.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202505290859.CKZrTkZu-lkp@intel.com/ smatch warnings: drivers/mfd/pf1550.c:162 pf1550_i2c_probe() warn: passing zero to 'dev_err_probe' vim +/dev_err_probe +162 drivers/mfd/pf1550.c fc62e32ad9eb64 Samuel Kayode 2025-05-27 140 static int pf1550_i2c_probe(struct i2c_client *i2c) fc62e32ad9eb64 Samuel Kayode 2025-05-27 141 { fc62e32ad9eb64 Samuel Kayode 2025-05-27 142 struct pf1550_dev *pf1550; fc62e32ad9eb64 Samuel Kayode 2025-05-27 143 unsigned int reg_data = 0; fc62e32ad9eb64 Samuel Kayode 2025-05-27 144 int ret = 0; fc62e32ad9eb64 Samuel Kayode 2025-05-27 145 fc62e32ad9eb64 Samuel Kayode 2025-05-27 146 pf1550 = devm_kzalloc(&i2c->dev, sizeof(*pf1550), GFP_KERNEL); fc62e32ad9eb64 Samuel Kayode 2025-05-27 147 if (!pf1550) fc62e32ad9eb64 Samuel Kayode 2025-05-27 148 return -ENOMEM; fc62e32ad9eb64 Samuel Kayode 2025-05-27 149 fc62e32ad9eb64 Samuel Kayode 2025-05-27 150 i2c_set_clientdata(i2c, pf1550); fc62e32ad9eb64 Samuel Kayode 2025-05-27 151 pf1550->dev = &i2c->dev; fc62e32ad9eb64 Samuel Kayode 2025-05-27 152 pf1550->i2c = i2c; fc62e32ad9eb64 Samuel Kayode 2025-05-27 153 pf1550->irq = i2c->irq; fc62e32ad9eb64 Samuel Kayode 2025-05-27 154 fc62e32ad9eb64 Samuel Kayode 2025-05-27 155 pf1550->regmap = devm_regmap_init_i2c(i2c, &pf1550_regmap_config); fc62e32ad9eb64 Samuel Kayode 2025-05-27 156 if (IS_ERR(pf1550->regmap)) fc62e32ad9eb64 Samuel Kayode 2025-05-27 157 return dev_err_probe(pf1550->dev, PTR_ERR(pf1550->regmap), fc62e32ad9eb64 Samuel Kayode 2025-05-27 158 "failed to allocate register map\n"); fc62e32ad9eb64 Samuel Kayode 2025-05-27 159 fc62e32ad9eb64 Samuel Kayode 2025-05-27 160 ret = regmap_read(pf1550->regmap, PF1550_PMIC_REG_DEVICE_ID, ®_data); fc62e32ad9eb64 Samuel Kayode 2025-05-27 161 if (ret < 0 || reg_data != PF1550_DEVICE_ID) fc62e32ad9eb64 Samuel Kayode 2025-05-27 @162 return dev_err_probe(pf1550->dev, ret, "device not found!\n"); return dev_err_probe(pf1550->dev, ret ?: -EINVAL, "device not found!\n"); fc62e32ad9eb64 Samuel Kayode 2025-05-27 163 fc62e32ad9eb64 Samuel Kayode 2025-05-27 164 pf1550->type = PF1550; fc62e32ad9eb64 Samuel Kayode 2025-05-27 165 fc62e32ad9eb64 Samuel Kayode 2025-05-27 166 ret = devm_regmap_add_irq_chip(pf1550->dev, pf1550->regmap, fc62e32ad9eb64 Samuel Kayode 2025-05-27 167 pf1550->irq, fc62e32ad9eb64 Samuel Kayode 2025-05-27 168 IRQF_ONESHOT | IRQF_SHARED | fc62e32ad9eb64 Samuel Kayode 2025-05-27 169 IRQF_TRIGGER_FALLING, 0, fc62e32ad9eb64 Samuel Kayode 2025-05-27 170 &pf1550_regulator_irq_chip, fc62e32ad9eb64 Samuel Kayode 2025-05-27 171 &pf1550->irq_data_regulator); fc62e32ad9eb64 Samuel Kayode 2025-05-27 172 if (ret) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki