Re: [PATCH -next] extcon: fix extcon-sm5502 build when CONFIG_I2C=m

Chanwoo Choi
2014-08-13T07:40:56Z

Dear Randy,

Thanks for your report.

I catched this issue. So, I fix this bug already. You can check it on following url:
- http://git.kernel.org/cgit/linux/kernel/git/chanwoo/extcon.git/commit/?h=extcon-test&id=5e519b04db6c5b42f8d8ee246c16903c130b5fd5

Best Regards,
Chanwoo Choi

On 08/13/2014 04:22 PM, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@infradead.org>
>
> Fix build errors in extcon-sm5502.c by making EXTCON_SM5502 depend
> on I2C since it selects REGMAP_I2C. The build errors happen when
> CONFIG_I2C=m and CONFIG_EXTCON_SM5502=y. This Kconfig change causes
> CONFIG_EXTCON_SM5502 to be =m when CONFIG_I2C=m.
>
> drivers/built-in.o: In function `regmap_smbus_byte_reg_read':
> regmap-i2c.c:(.text+0x5030a): undefined reference to `i2c_smbus_read_byte_data'
> drivers/built-in.o: In function `regmap_smbus_byte_reg_write':
> regmap-i2c.c:(.text+0x50338): undefined reference to `i2c_smbus_write_byte_data'
> drivers/built-in.o: In function `regmap_smbus_word_reg_read':
> regmap-i2c.c:(.text+0x50356): undefined reference to `i2c_smbus_read_word_data'
> drivers/built-in.o: In function `regmap_smbus_word_reg_write':
> regmap-i2c.c:(.text+0x50384): undefined reference to `i2c_smbus_write_word_data'
> drivers/built-in.o: In function `regmap_i2c_read':
> regmap-i2c.c:(.text+0x503cf): undefined reference to `i2c_transfer'
> drivers/built-in.o: In function `regmap_i2c_gather_write':
> regmap-i2c.c:(.text+0x50442): undefined reference to `i2c_transfer'
> drivers/built-in.o: In function `regmap_i2c_write':
> regmap-i2c.c:(.text+0x50474): undefined reference to `i2c_master_send'
> drivers/built-in.o: In function `sm5502_muic_i2c_init':
> extcon-sm5502.c:(.init.text+0x6630): undefined reference to `i2c_register_driver'
>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Chanwoo Choi <cw00.choi@samsung.com>
> ---
> drivers/extcon/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> Index: linux-next-20140813/drivers/extcon/Kconfig
> ===================================================================
> --- linux-next-20140813.orig/drivers/extcon/Kconfig
> +++ linux-next-20140813/drivers/extcon/Kconfig
> @@ -72,6 +72,7 @@ config EXTCON_PALMAS
>
> config EXTCON_SM5502
> tristate "SM5502 EXTCON support"
> + depends on I2C
> select IRQ_DOMAIN
> select REGMAP_I2C
> select REGMAP_IRQ
>