linux-kernel - Re: [PATCH] mfd: cros_ec: allow building for ARM64

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Date:	Mon, 11 Apr 2016 13:15:56 -0400
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Brian Norris <briannorris@...omium.org>,
	Lee Jones <lee.jones@...aro.org>
Cc:	Olof Johansson <olof@...om.net>, linux-kernel@...r.kernel.org,
	Brian Norris <computersforpeace@...il.com>
Subject: Re: [PATCH] mfd: cros_ec: allow building for ARM64

Hello Brian,

On 04/11/2016 12:42 PM, Brian Norris wrote:
> On Mon, Apr 11, 2016 at 09:48:49AM +0100, Lee Jones wrote:
>> When submitting patches, please use the format appropriate for the
>> subsystem.
>>
>>   `git log --oneline -- <subsystem>` helps with this.
> 
> $ git log --oneline --no-merges drivers/mfd/cros_ec*.c | head -10
> 8827a642a463 mfd: cros_ec_spi: Repair comparison ordering issue
> 2756db6c6366 mfd: cros_ec_i2c: Fix trivial 'tabs before spaces'
> whitespace issue.
> 6d6e44a95316 mfd: cros ec: Lock the SPI bus while holding chipselect
> 3821a065f567 spi: Drop owner assignment from spi_drivers
> 385c0012dfa0 mfd: cros_ec_i2c: Add OF match table
> a78ea195f77a mfd: cros_ec: spi: Add OF match table
> 0e777366fb0e mfd: Drop owner assignment from i2c_drivers
> cf649e00769a mfd: cros_ec: Staticise some newly introduced structures
> ff4378f4b813 mfd: cros_ec: spi: Add delay for asserting CS
> 57b33ff077be mfd: cros_ec: Support multiple EC in a system
> 
> So...what's the problem with the subject?
>

I also don't see what's wrong with the subject line...
 
>> Also please provide a commit log containing a short description of the
>> change.  Are you enabling ARM64 becuase the driver is able to be used
>> on a new platform?  If not, how did this work before?  Etc.
> 
> I can add a short description. But there's really not much more to it
> than the subject. We have ARM64 platforms we want to use this on. Some
> are already released, and some are in development.
>

I think at least a short description is always welcomed. Even if the
patch is obvious, it should state why the change was introduced.
 
> Brian
> 
>>> Signed-off-by: Brian Norris <briannorris@...omium.org>
>>> ---
>>>  drivers/mfd/Kconfig | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>>> index eea61e349e26..1d63c5fb3f3c 100644
>>> --- a/drivers/mfd/Kconfig
>>> +++ b/drivers/mfd/Kconfig
>>> @@ -134,7 +134,7 @@ config MFD_CROS_EC
>>>  	select MFD_CORE
>>>  	select CHROME_PLATFORMS
>>>  	select CROS_EC_PROTO
>>> -	depends on X86 || ARM || COMPILE_TEST
>>> +	depends on X86 || ARM || ARM64 || COMPILE_TEST
>>>  	help
>>>  	  If you say Y here you get support for the ChromeOS Embedded
>>>  	  Controller (EC) providing keyboard, battery and power services.

Patch looks good to me, so after resending with a commit message:

Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America