tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git gpio-descriptors-regulator head: 0e78939e6e7091d8e0cb6d259758eab6874145e6 commit: 90b5a23dec6e0f7a89208bd25da9e8a8d28b530f [14/26] regulator: lm363x: Pass descriptor instead of GPIO number config: i386-randconfig-a1-201800 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: git checkout 90b5a23dec6e0f7a89208bd25da9e8a8d28b530f # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers//regulator/lm363x-regulator.c:222:8: error: unknown type name 'gpio_desc' static gpio_desc *lm363x_regulator_of_get_enable_gpio(struct device *dev, int id) ^ drivers//regulator/lm363x-regulator.c: In function 'lm363x_regulator_of_get_enable_gpio': >> drivers//regulator/lm363x-regulator.c:230:3: warning: return from incompatible pointer type return devm_gpiod_get_index_optional(dev, "enable", 0, GPIOD_OUT_LOW); ^ drivers//regulator/lm363x-regulator.c:232:3: warning: return from incompatible pointer type return devm_gpiod_get_index_optional(dev, "enable", 1, GPIOD_OUT_LOW); ^ drivers//regulator/lm363x-regulator.c: In function 'lm363x_regulator_probe': >> drivers//regulator/lm363x-regulator.c:256:8: warning: assignment from incompatible pointer type gpiod = lm363x_regulator_of_get_enable_gpio(dev, id); ^ vim +230 drivers//regulator/lm363x-regulator.c 221 > 222 static gpio_desc *lm363x_regulator_of_get_enable_gpio(struct device *dev, int id) 223 { 224 /* 225 * Check LCM_EN1/2_GPIO is configured. 226 * Those pins are used for enabling VPOS/VNEG LDOs. 227 */ 228 switch (id) { 229 case LM3632_LDO_POS: > 230 return devm_gpiod_get_index_optional(dev, "enable", 0, GPIOD_OUT_LOW); 231 case LM3632_LDO_NEG: 232 return devm_gpiod_get_index_optional(dev, "enable", 1, GPIOD_OUT_LOW); 233 default: 234 return NULL; 235 } 236 } 237 238 static int lm363x_regulator_probe(struct platform_device *pdev) 239 { 240 struct ti_lmu *lmu = dev_get_drvdata(pdev->dev.parent); 241 struct regmap *regmap = lmu->regmap; 242 struct regulator_config cfg = { }; 243 struct regulator_dev *rdev; 244 struct device *dev = &pdev->dev; 245 int id = pdev->id; 246 struct gpio_desc *gpiod; 247 int ret; 248 249 cfg.dev = dev; 250 cfg.regmap = regmap; 251 252 /* 253 * LM3632 LDOs can be controlled by external pin. 254 * Register update is required if the pin is used. 255 */ > 256 gpiod = lm363x_regulator_of_get_enable_gpio(dev, id); 257 if (gpiod) { 258 cfg.ena_gpiod = gpiod; 259 260 ret = regmap_update_bits(regmap, LM3632_REG_BIAS_CONFIG, 261 LM3632_EXT_EN_MASK, 262 LM3632_EXT_EN_MASK); 263 if (ret) { 264 dev_err(dev, "External pin err: %d\n", ret); 265 return ret; 266 } 267 } 268 269 rdev = devm_regulator_register(dev, &lm363x_regulator_desc[id], &cfg); 270 if (IS_ERR(rdev)) { 271 ret = PTR_ERR(rdev); 272 dev_err(dev, "[%d] regulator register err: %d\n", id, ret); 273 return ret; 274 } 275 276 return 0; 277 } 278 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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