Subject: [PATCH] iio: health/afe4403: select REGMAP_SPI

From: [email-masked] (Andrew F. Davis)
Date: Tue, 16 Feb 2016 10:14:48 -0600

On 02/16/2016 09:52 AM, Arnd Bergmann wrote:
> The newly added afe4403 driver uses the regmap facility to abstract
> the I2C and SPI access. However, it fails to ensure that regmap_spi
> is actually present:
>
> drivers/iio/built-in.o: In function `afe4403_probe':
> :(.text+0x9bf8): undefined reference to `__devm_regmap_init_spi'
>
> This adds a Kconfig select statement like the afe4404 I2C driver
> has.
>
> Signed-off-by: Arnd Bergmann <[email-masked]>
> Fixes: eec96d1e2d31 ("iio: health: Add driver for the TI AFE4403 heart monitor")
> ---
>   drivers/iio/health/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/health/Kconfig b/drivers/iio/health/Kconfig
> index f0c19779ac27..c5f004a8e447 100644
> --- a/drivers/iio/health/Kconfig
> +++ b/drivers/iio/health/Kconfig
> @@ -10,6 +10,7 @@ menu "Heart Rate Monitors"
>   config AFE4403
>   	tristate "TI AFE4403 Heart Rate Monitor"
>   	depends on SPI_MASTER
> +	select REGMAP_SPI
>   	select IIO_BUFFER
>   	select IIO_TRIGGERED_BUFFER
>   	help
>

Oversight on my part, thanks for fix.

Acked-by: Andrew F. Davis <[email-masked]>