From: Arnd Bergmann <a...@arndb.de> Date: Fri, 21 Apr 2017 18:22:40 +0200
> With CONFIG_I2C=m and NET_DSA_SMSC_LAN9303=y, we run into a link error: > > drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_byte_reg_read': > regmap-i2c.c:(.text.regmap_smbus_byte_reg_read+0x18): undefined reference to > `i2c_smbus_read_byte_data' > drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_byte_reg_write': > regmap-i2c.c:(.text.regmap_smbus_byte_reg_write+0x18): undefined reference to > `i2c_smbus_write_byte_data' > drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_word_reg_read': > regmap-i2c.c:(.text.regmap_smbus_word_reg_read+0x18): undefined reference to > `i2c_smbus_read_word_data' > drivers/base/regmap/regmap-i2c.o: In function > `regmap_smbus_word_read_swapped': > regmap-i2c.c:(.text.regmap_smbus_word_read_swapped+0x18): undefined reference > to `i2c_smbus_read_word_data' > drivers/base/regmap/regmap-i2c.o: In function > `regmap_smbus_word_write_swapped': > > This adds a Kconfig dependency to avoid the broken configuration. > > Fixes: be4e119f9914 ("net: dsa: LAN9303: add I2C managed mode support") > Signed-off-by: Arnd Bergmann <a...@arndb.de> Applied, thanks.