linux-kernel - Re: [PATCH] extcon-ptn5150: fix COMPILE

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Date:   Wed, 6 Mar 2019 07:49:27 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Arnd Bergmann <arnd@...db.de>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>
Cc:     Vijai Kumar K <vijaikumar.kanagarajan@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] extcon-ptn5150: fix COMPILE_TEST dependencies

On 3/6/19 3:08 AM, Arnd Bergmann wrote:
> The PTN5150 dependencies look like they were meant to do the
> right thing, but they actually should not allow building without
> I2C for compile testing, as that results in a Kconfig warning
> and subsequent build failure:
> 
> WARNING: unmet direct dependencies detected for REGMAP_I2C
>   Depends on [m]: I2C [=m]
>   Selected by [y]:
>   - EXTCON_PTN5150 [=y] && EXTCON [=y] && (I2C [=m] && GPIOLIB [=y] || COMPILE_TEST [=y])
>   Selected by [m]:
>   - EEPROM_AT24 [=m] && I2C [=m] && SYSFS [=y]
>   - KEYBOARD_CAP11XX [=m] && !UML && INPUT [=y] && INPUT_KEYBOARD [=y] && OF [=y] && I2C [=m]
>   - INPUT_DRV260X_HAPTICS [=m] && !UML && INPUT_MISC [=y] && INPUT [=y] && I2C [=m] && (GPIOLIB [=y] || COMPILE_TEST [=y])
>   - ... [many others]
> 
> Add parentheses around the expression so we can compile-test
> without GPIOLIB but not without I2C.
> 
> Fixes: 4ed754de2d66 ("extcon: Add support for ptn5150 extcon driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Hi Chanwoo,

You might want to drop my patch and use this one from Arnd instead...


> ---
>  drivers/extcon/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
> index 8e17149655f0..540e8cd16ee6 100644
> --- a/drivers/extcon/Kconfig
> +++ b/drivers/extcon/Kconfig
> @@ -116,7 +116,7 @@ config EXTCON_PALMAS
>  
>  config EXTCON_PTN5150
>  	tristate "NXP PTN5150 CC LOGIC USB EXTCON support"
> -	depends on I2C && GPIOLIB || COMPILE_TEST
> +	depends on I2C && (GPIOLIB || COMPILE_TEST)
>  	select REGMAP_I2C
>  	help
>  	  Say Y here to enable support for USB peripheral and USB host
> 


-- 
~Randy