linux-kernel - Re: [PATCH v2 3/4] ARM: mach-bcm: Enable I2C support for iProc

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Message-ID: <5487AEF0.5010404@broadcom.com>
Date:	Tue, 9 Dec 2014 18:24:48 -0800
From:	Ray Jui <rjui@...adcom.com>
To:	Florian Fainelli <f.fainelli@...il.com>,
	Wolfram Sang <wsa@...-dreams.de>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	"Mark Rutland" <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Grant Likely" <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	"Matt Porter" <mporter@...aro.org>,
	Russell King <linux@....linux.org.uk>
CC:	Scott Branden <sbranden@...adcom.com>, <linux-i2c@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<bcm-kernel-feedback-list@...adcom.com>,
	<devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 3/4] ARM: mach-bcm: Enable I2C support for iProc



On 12/9/2014 6:20 PM, Florian Fainelli wrote:
> On 09/12/14 18:18, Ray Jui wrote:
>> Enable I2C driver support for Broadcom iProc family of SoCs by
>> selecting I2C_BCM_IPROC
>>
>> Signed-off-by: Ray Jui <rjui@...adcom.com>
>> Reviewed-by: Scott Branden <sbranden@...adcom.com>
>> ---
>>   arch/arm/mach-bcm/Kconfig |    1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
>> index aaeec78..86ee90b 100644
>> --- a/arch/arm/mach-bcm/Kconfig
>> +++ b/arch/arm/mach-bcm/Kconfig
>> @@ -19,6 +19,7 @@ config ARCH_BCM_IPROC
>>   	select ARCH_REQUIRE_GPIOLIB
>>   	select ARM_AMBA
>>   	select PINCTRL
>> +	select I2C_BCM_IPROC
>
> One way to avoid having to modify mach-bcm/Kconfig would be to have your
> i2c driver Kconfig do this:
>
> default ARCH_BCM_IPROC
>
> would that work?
>
Yes. So in which case it is better to select a driver from the 
architecture specific Kconfig?

>>   	help
>>   	  This enables support for systems based on Broadcom IPROC architected SoCs.
>>   	  The IPROC complex contains one or more ARM CPUs along with common
>>
>
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