linux-kernel - Re: [PATCH 2/2] extcon: sm5502: EXTCON

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Message-id: <53F55710.8000702@samsung.com>
Date:	Thu, 21 Aug 2014 11:18:56 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Mark Brown <broonie@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-spi@...r.kernel.org
Subject: Re: [PATCH 2/2] extcon: sm5502: EXTCON_SM5502 should depend on I2C

Hi Geert

Thanks for your report. I already sent a patch[1] to fix this build break
and I'll send pull request to includec this patch in 3.17-rc2.

[1] https://lkml.org/lkml/2014/8/13/761

Best Regards,
Chanwoo Choi


On 08/17/2014 07:08 PM, Geert Uytterhoeven wrote:
> EXTCON_SM5502 selects REGMAP_I2C, but if I2C=n:
> 
> drivers/base/regmap/regmap-i2c.c: In function ‘regmap_smbus_byte_reg_read’:
> drivers/base/regmap/regmap-i2c.c:28: error: implicit declaration of function ‘i2c_smbus_read_byte_data’
> drivers/base/regmap/regmap-i2c.c: In function ‘regmap_smbus_byte_reg_write’:
> drivers/base/regmap/regmap-i2c.c:46: error: implicit declaration of function ‘i2c_smbus_write_byte_data’
> drivers/base/regmap/regmap-i2c.c: In function ‘regmap_smbus_word_reg_read’:
> drivers/base/regmap/regmap-i2c.c:64: error: implicit declaration of function ‘i2c_smbus_read_word_data’
> drivers/base/regmap/regmap-i2c.c: In function ‘regmap_smbus_word_reg_write’:
> drivers/base/regmap/regmap-i2c.c:82: error: implicit declaration of function ‘i2c_smbus_write_word_data’
> drivers/base/regmap/regmap-i2c.c: In function ‘regmap_i2c_write’:
> drivers/base/regmap/regmap-i2c.c:96: error: implicit declaration of function ‘i2c_master_send’
> drivers/base/regmap/regmap-i2c.c: In function ‘regmap_i2c_gather_write’:
> drivers/base/regmap/regmap-i2c.c:117: error: implicit declaration of function ‘i2c_check_functionality’
> drivers/base/regmap/regmap-i2c.c:130: error: implicit declaration of function ‘i2c_transfer’
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
>  drivers/extcon/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
> index 6f2f4727de2c..764f3a113e0a 100644
> --- a/drivers/extcon/Kconfig
> +++ b/drivers/extcon/Kconfig
> @@ -72,6 +72,7 @@ config EXTCON_PALMAS
>  
>  config EXTCON_SM5502
>  	tristate "SM5502 EXTCON support"
> +	depends on I2C
>  	select IRQ_DOMAIN
>  	select REGMAP_I2C
>  	select REGMAP_IRQ
> 

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