Hi Tony, I love your patch! Perhaps something to improve: [auto build test WARNING on phy/next] [also build test WARNING on v4.16-rc2 next-20180216] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Tony-Lindgren/phy-mapphone-mdm6600-Add-USB-PHY-driver-for-MDM6600-on-Droid-4/20180219-131127 base: https://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy.git next reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/phy/motorola/phy-mapphone-mdm6600.c:354:24: sparse: incompatible types for operation (>=) drivers/phy/motorola/phy-mapphone-mdm6600.c:354:24: left side has type struct gpio_desc drivers/phy/motorola/phy-mapphone-mdm6600.c:354:24: right side has type int >> drivers/phy/motorola/phy-mapphone-mdm6600.c:354:24: sparse: incorrect type in conditional drivers/phy/motorola/phy-mapphone-mdm6600.c:354:24: got bad type vim +354 drivers/phy/motorola/phy-mapphone-mdm6600.c 340 341 /** 342 * phy_mdm6600_device_power_off() - power off mdm6600 device 343 * @ddata: device driver data 344 */ 345 static void phy_mdm6600_device_power_off(struct phy_mdm6600 *ddata) 346 { 347 struct gpio_desc *reset_gpio = 348 ddata->gpio[PHY_MDM6600_RESET]; 349 350 ddata->enabled = false; 351 phy_mdm6600_cmd(ddata, AP_STATUS_BP_SHUTDOWN_REQ); 352 msleep(100); 353 > 354 if (reset_gpio >= 0) 355 gpiod_set_value_cansleep(reset_gpio, 1); 356 357 dev_info(ddata->dev, "Waiting for power down request to complete.. "); 358 if (wait_for_completion_timeout(&ddata->ack, 359 msecs_to_jiffies(5000))) { 360 dev_info(ddata->dev, "Powered down OK\n"); 361 } else { 362 dev_err(ddata->dev, "Timed out powering down\n"); 363 } 364 } 365 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html