On 1/31/19 9:41 PM, Stephen Rothwell wrote: > Hi all, > > Changes since 20190131: > Hi, config EXTCON_PTN5150 tristate "NXP PTN5150 CC LOGIC USB EXTCON support" depends on I2C && GPIOLIB || COMPILE_TEST select REGMAP_I2C Where did the " || COMPILE_TEST" come from? I generally support using COMPILE_TEST, but in this case it causes problems, when EXTCON_PTN5150=y and I2C=m (and COMPILE_TEST=y), both in kconfig and in build errors: WARNING: unmet direct dependencies detected for REGMAP_I2C Depends on [m]: I2C [=m] Selected by [y]: - EXTCON_PTN5150 [=y] && EXTCON [=y] && (I2C [=m] && GPIOLIB [=y] || COMPILE_TEST [=y]) Selected by [m]: - GPIO_PCA953X [=m] && GPIOLIB [=y] && I2C [=m] - GPIO_TS4900 [=m] && GPIOLIB [=y] && I2C [=m] && (SOC_IMX6 || COMPILE_TEST [=y]) - BATTERY_MAX17042 [=m] && POWER_SUPPLY [=y] && I2C [=m] - CHARGER_BQ25890 [=m] && POWER_SUPPLY [=y] && I2C [=m] && (GPIOLIB [=y] || COMPILE_TEST [=y]) - CHARGER_SMB347 [=m] && POWER_SUPPLY [=y] && I2C [=m] - CHARGER_RT9455 [=m] && POWER_SUPPLY [=y] && I2C [=m] && (GPIOLIB [=y] || COMPILE_TEST [=y]) - SENSORS_LTC2945 [=m] && HWMON [=y] && I2C [=m] - SENSORS_LTC4222 [=m] && HWMON [=y] && I2C [=m] - SENSORS_LTC4260 [=m] && HWMON [=y] && I2C [=m] - SENSORS_MAX6621 [=m] && HWMON [=y] && I2C [=m] - SENSORS_LM75 [=m] && HWMON [=y] && I2C [=m] - SENSORS_NCT7802 [=m] && HWMON [=y] && I2C [=m] - SENSORS_ADS7828 [=m] && HWMON [=y] && I2C [=m] - SENSORS_INA2XX [=m] && HWMON [=y] && I2C [=m] - SENSORS_INA3221 [=m] && HWMON [=y] && I2C [=m] - SENSORS_TMP103 [=m] && HWMON [=y] && I2C [=m] - SENSORS_TMP108 [=m] && HWMON [=y] && I2C [=m] - MFD_BD9571MWV [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_AXP20X_I2C [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_DA9062 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_DA9063 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_DA9150 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_MC13XXX_I2C [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_88PM800 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_88PM805 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_MAX14577 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_MAX77693 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_MAX8907 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_RT5033 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_RK808 [=m] && HAS_IOMEM [=y] && I2C [=m] && OF [=y] - MFD_RN5T618 [=m] && HAS_IOMEM [=y] && I2C [=m] && OF [=y] - MFD_SI476X_CORE [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_LP3943 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_TI_LMU [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_TI_LP873X [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_TPS65218 [=m] && HAS_IOMEM [=y] && I2C [=m] && OF [=y] - MFD_TPS65912_I2C [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_LM3533 [=m] && HAS_IOMEM [=y] && I2C [=m] - MFD_ARIZONA_I2C [=m] && HAS_IOMEM [=y] && I2C [=m] - VIDEO_LM3560 [=m] && MEDIA_SUPPORT [=y] && I2C [=m] && VIDEO_V4L2 [=m] && MEDIA_CONTROLLER [=y] && MEDIA_CAMERA_SUPPORT [=y] - MEDIA_TUNER_E4000 [=m] && (MEDIA_ANALOG_TV_SUPPORT [=n] || MEDIA_DIGITAL_TV_SUPPORT [=n] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=n]) && MEDIA_SUPPORT [=y] && I2C [=m] - MEDIA_TUNER_FC2580 [=m] && (MEDIA_ANALOG_TV_SUPPORT [=n] || MEDIA_DIGITAL_TV_SUPPORT [=n] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=n]) && MEDIA_SUPPORT [=y] && I2C [=m] - MEDIA_TUNER_M88RS6000T [=m] && (MEDIA_ANALOG_TV_SUPPORT [=n] || MEDIA_DIGITAL_TV_SUPPORT [=n] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=n]) && MEDIA_SUPPORT [=y] && I2C [=m] - MEDIA_TUNER_TUA9001 [=m] && (MEDIA_ANALOG_TV_SUPPORT [=n] || MEDIA_DIGITAL_TV_SUPPORT [=n] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=n]) && MEDIA_SUPPORT [=y] && I2C [=m] - MEDIA_TUNER_IT913X [=m] && (MEDIA_ANALOG_TV_SUPPORT [=n] || MEDIA_DIGITAL_TV_SUPPORT [=n] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=n]) && MEDIA_SUPPORT [=y] && I2C [=m] - DRM_SII902X [=m] && HAS_IOMEM [=y] && DRM [=m] && DRM_BRIDGE [=y] && OF [=y] - DRM_TOSHIBA_TC358767 [=m] && HAS_IOMEM [=y] && DRM [=m] && DRM_BRIDGE [=y] && OF [=y] - DRM_I2C_ADV7511 [=m] && HAS_IOMEM [=y] && DRM [=m] && DRM_BRIDGE [=y] && OF [=y] - BACKLIGHT_LM3639 [=m] && HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=y] && BACKLIGHT_CLASS_DEVICE [=m] && I2C [=m] - LEDS_LM3642 [=m] && NEW_LEDS [=y] && LEDS_CLASS [=m] && I2C [=m] - LEDS_LM3692X [=m] && NEW_LEDS [=y] && LEDS_CLASS [=m] && I2C [=m] && OF [=y] - LEDS_LP8860 [=m] && NEW_LEDS [=y] && LEDS_CLASS [=m] && I2C [=m] && OF [=y] - LEDS_LM355x [=m] && NEW_LEDS [=y] && LEDS_CLASS [=m] && I2C [=m] - RTC_I2C_AND_SPI [=m] && RTC_CLASS [=y] && I2C [=m] - RTC_DRV_ABB5ZES3 [=m] && RTC_CLASS [=y] && I2C [=m] - COMMON_CLK_SI5351 [=m] && COMMON_CLK [=y] && I2C [=m] - COMMON_CLK_SI514 [=m] && COMMON_CLK [=y] && I2C [=m] && OF [=y] - COMMON_CLK_SI570 [=m] && COMMON_CLK [=y] && I2C [=m] && OF [=y] - COMMON_CLK_CDCE925 [=m] && COMMON_CLK [=y] && I2C [=m] && OF [=y] - COMMON_CLK_VC5 [=m] && COMMON_CLK [=y] && I2C [=m] && OF [=y] - EXTCON_MAX77693 [=m] && EXTCON [=y] && MFD_MAX77693 [=m] && INPUT [=y] - EXTCON_RT8973A [=m] && EXTCON [=y] && I2C [=m] - EXTCON_SM5502 [=m] && EXTCON [=y] && I2C [=m] - ADXL372_I2C [=m] && IIO [=y] && I2C [=m] - BMC150_ACCEL_I2C [=m] && IIO [=y] - MXC4005 [=m] && IIO [=y] && I2C [=m] - MXC6255 [=m] && IIO [=y] && I2C [=m] - INA2XX_ADC [=m] && IIO [=y] && I2C [=m] && !SENSORS_INA2XX [=m] - TI_ADS1015 [=m] && IIO [=y] && I2C [=m] && !SENSORS_ADS1015 [=n] - ATLAS_PH_SENSOR [=m] && IIO [=y] && I2C [=m] - BME680_I2C [=m] && IIO [=y] && I2C [=m] && BME680 [=m] - BMG160_I2C [=m] && IIO [=y] - MPU3050_I2C [=m] && IIO [=y] && INPUT_MPU3050!=y && INPUT_MPU3050!=m && I2C [=m] - AFE4404 [=m] && IIO [=y] && I2C [=m] - MAX30100 [=m] && IIO [=y] && I2C [=m] - MAX30102 [=m] && IIO [=y] && I2C [=m] - HTS221_I2C [=m] && IIO [=y] && HTS221 [=y] - IIO_ST_LSM6DSX_I2C [=m] && IIO [=y] && IIO_ST_LSM6DSX [=m] - APDS9960 [=m] && IIO [=y] && I2C [=m] - GP2AP020A00F [=m] && IIO [=y] && I2C [=m] - SENSORS_ISL29028 [=m] && IIO [=y] && I2C [=m] - MAX44000 [=m] && IIO [=y] && I2C [=m] - PA12203001 [=m] && IIO [=y] && I2C [=m] - SI1133 [=m] && IIO [=y] && I2C [=m] - STK3310 [=m] && IIO [=y] && I2C [=m] - ST_UVIS25_I2C [=m] && IIO [=y] && ST_UVIS25 [=y] - VCNL4035 [=m] && IIO [=y] && I2C [=m] - AK8974 [=m] && IIO [=y] && I2C [=m] && OF [=y] - MMC35240 [=m] && IIO [=y] && I2C [=m] - SENSORS_RM3100_I2C [=m] && IIO [=y] && I2C [=m] - LMP91000 [=m] && IIO [=y] && I2C [=m] - HP03 [=m] && IIO [=y] && I2C [=m] - ZPA2326_I2C [=m] && IIO [=y] - MLX90632 [=m] && IIO [=y] && I2C [=m] and then: ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_byte_reg_read': regmap-i2c.c:(.text+0x122): undefined reference to `i2c_smbus_read_byte_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_byte_reg_write': regmap-i2c.c:(.text+0x157): undefined reference to `i2c_smbus_write_byte_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_reg_read': regmap-i2c.c:(.text+0x182): undefined reference to `i2c_smbus_read_word_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_read_swapped': regmap-i2c.c:(.text+0x1b2): undefined reference to `i2c_smbus_read_word_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_write_swapped': regmap-i2c.c:(.text+0x1ee): undefined reference to `i2c_smbus_write_word_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_reg_write': regmap-i2c.c:(.text+0x217): undefined reference to `i2c_smbus_write_word_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_read': regmap-i2c.c:(.text+0x254): undefined reference to `i2c_smbus_read_i2c_block_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_write': regmap-i2c.c:(.text+0x2b0): undefined reference to `i2c_smbus_write_i2c_block_data' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_read': regmap-i2c.c:(.text+0x312): undefined reference to `i2c_transfer' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_gather_write': regmap-i2c.c:(.text+0x39c): undefined reference to `i2c_transfer' ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_write': regmap-i2c.c:(.text+0x3f4): undefined reference to `i2c_transfer_buffer_flags' ld: drivers/extcon/extcon-ptn5150.o: in function `ptn5150_i2c_init': extcon-ptn5150.c:(.init.text+0xb): undefined reference to `i2c_register_driver' thanks. -- ~Randy