Re: [PATCH 1/2] mfd: select REGMAP_I2C for config MFD_MAX77693

[Chanwoo Choi <cw00.choi@samsung.com>]

Hi Axel Lin,

On 05/24/2012 05:56 PM, Axel Lin wrote:

> max77693 driver uses regmap api, thus need to select REGMAP_I2C.
> This fixes below build error when CONFIG_REGMAP=y && CONFIG_REGMAP_I2C=m:
> 
>   LD      init/built-in.o
> drivers/built-in.o: In function `max77693_i2c_probe':
> clk-fixed-factor.c:(.text+0x541f8): undefined reference to `devm_regmap_init_i2c'
> make: *** [vmlinux] Error 1
> 
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
>  drivers/mfd/Kconfig |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 4db63b1..e129c82 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -426,6 +426,7 @@ config MFD_MAX77693
>  	bool "Maxim Semiconductor MAX77693 PMIC Support"
>  	depends on I2C=y && GENERIC_HARDIRQS
>  	select MFD_CORE
> +	select REGMAP_I2C
>  	help
>  	  Say yes here to support for Maxim Semiconductor MAX77693.
>  	  This is a companion Power Management IC with Flash, Haptic, Charger,


I sent this patch yesterday due to same issue and it was applied to
mfd-2.6.git
by Samuel Ortiz. You can check it on below URL.
http://www.spinics.net/lists/kernel/msg1346801.html

Thank you,
Chanwoo Choi