This reverts commit 6bd03ce3c12a22d86f59070f1da15aaa2bde8a51, it was applied in error and cuased this link failure
drivers/built-in.o: In function `bq27xxx_battery_i2c_read': core.c:(.text+0xa6da8): undefined reference to `i2c_transfer' drivers/built-in.o: In function `bq27xxx_battery_init': core.c:(.init.text+0x68e0): undefined reference to `i2c_register_driver' drivers/built-in.o: In function `bq27xxx_battery_exit': core.c:(.exit.text+0xc6c): undefined reference to `i2c_del_driver'
Later upstream kernels fixed this with a larger rework in commit 703df6c09795 ("power: bq27xxx_battery: Reorganize I2C into a module"), but we cannot backport that to 4.4.
Signed-off-by: Arnd Bergmann arnd@arndb.de --- drivers/power/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 237d7aa73e8c..9f53fb74ae6f 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -159,6 +159,7 @@ config BATTERY_SBS
config BATTERY_BQ27XXX tristate "BQ27xxx battery driver" + depends on I2C || I2C=n help Say Y here to enable support for batteries with BQ27xxx (I2C/HDQ) chips.