linux-kernel - Re: [PATCH] extcon: Add missing REGMAP_I2C/REGMAP

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Date:	Wed, 23 Jul 2014 10:20:47 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	linux-kernel@...r.kernel.org, ckeepax@...nsource.wolfsonmicro.com,
	gg@...mlogic.co.uk, myungjoo.ham@...sung.com,
	kyungmin.park@...sung.com
Subject: Re: [PATCH] extcon: Add missing REGMAP_I2C/REGMAP_IRQ dependency on
 extcon driver

On śro, 2014-07-23 at 10:40 +0900, Chanwoo Choi wrote:
> This patch add missing REGMAP_I2C/REGMAP_IRQ dependency on extcon provider
> driver to protect build break.
> 
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> ---
>  drivers/extcon/Kconfig | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
> index 6f2f472..77577db 100644
> --- a/drivers/extcon/Kconfig
> +++ b/drivers/extcon/Kconfig
> @@ -23,6 +23,7 @@ config EXTCON_ADC_JACK
>  config EXTCON_ARIZONA
>  	tristate "Wolfson Arizona EXTCON support"
>  	depends on MFD_ARIZONA && INPUT && SND_SOC
> +	select REGMAP_I2C
>  	help
>  	  Say Y here to enable support for external accessory detection
>  	  with Wolfson Arizona devices. These are audio CODECs with
> @@ -40,6 +41,7 @@ config EXTCON_MAX14577
>  	depends on MFD_MAX14577
>  	select IRQ_DOMAIN
>  	select REGMAP_I2C
> +	select REGMAP_IRQ

Hi,

Is a build break possible here? I think not because this depends on
MFD_MAX14577 which selects both REGMAP_I2C and REGMAP_IRQ.

This change seems not needed then.

>  	help
>  	  If you say yes here you get support for the MUIC device of
>  	  Maxim MAX14577/77836. The MAX14577/77836 MUIC is a USB port accessory
> @@ -50,6 +52,7 @@ config EXTCON_MAX77693
>  	depends on MFD_MAX77693 && INPUT
>  	select IRQ_DOMAIN
>  	select REGMAP_I2C
> +	select REGMAP_IRQ

The same applies here.

>  	help
>  	  If you say yes here you get support for the MUIC device of
>  	  Maxim MAX77693 PMIC. The MAX77693 MUIC is a USB port accessory
> @@ -66,6 +69,7 @@ config EXTCON_MAX8997
>  config EXTCON_PALMAS
>  	tristate "Palmas USB EXTCON support"
>  	depends on MFD_PALMAS
> +	select REGMAP_IRQ

The same applies here.

Best regards,
Krzysztof

>  	help
>  	  Say Y here to enable support for USB peripheral and USB host
>  	  detection by palmas usb.

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