Re: [PATCH] mfd: simple-mfd-i2c: Fix linker error due to new mfd-core dependency

[Alistair]

On Thu, Nov 4, 2021, at 5:04 AM, Tyler Hicks wrote:
> Select CONFIG_MFD_CORE from CONFIG_MFD_SIMPLE_MFD_I2C, now that
> simple-mfd-i2c.c calls devm_mfd_add_devices(), to fix the following
> linker error:
> 
> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
> simple-mfd-i2c.c:(.text+0x62): undefined reference to `devm_mfd_add_devices'
> make: *** [Makefile:1187: vmlinux] Error 1
> 
> Fixes: c753ea31781a ("mfd: simple-mfd-i2c: Add support for registering devices via MFD cells")
> Cc: stable@xxxxxxxxxxxxxxx # 5.15.x
> Signed-off-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Alistair Francis <alistair@xxxxxxxxxxxxx>

Alistair

> ---
> drivers/mfd/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index ca0edab91aeb..d2f345245538 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -1194,6 +1194,7 @@ config MFD_SI476X_CORE
> config MFD_SIMPLE_MFD_I2C
> tristate
> depends on I2C
> + select MFD_CORE
> select REGMAP_I2C
> help
>   This driver creates a single register map with the intention for it
> -- 
> 2.25.1
> 
>