linux-kernel - Re: [PATCH] leds: leds-fsg: Use devm_led_classdev

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Date:	Tue, 18 Aug 2015 19:11:16 +0530
From:	Vaishali Thakkar <vthakkar1994@...il.com>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	linux-leds@...r.kernel.org, Bryan Wu <cooloney@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] leds: leds-fsg: Use devm_led_classdev_register

On Tue, Aug 18, 2015 at 6:06 PM, Jacek Anaszewski
<j.anaszewski@...sung.com> wrote:
> On 08/18/2015 02:14 PM, Vaishali Thakkar wrote:
>>
>> On Tue, Aug 18, 2015 at 12:57 PM, Jacek Anaszewski
>> <j.anaszewski@...sung.com> wrote:
>>>
>>> Hi Vaishali,
>>>
>>> On 08/18/2015 07:46 AM, Vaishali Thakkar wrote:
>>>>
>>>>
>>>> On Mon, Aug 17, 2015 at 2:02 PM, Vaishali Thakkar
>>>> <vthakkar1994@...il.com> wrote:
>>>>>
>>>>>
>>>>>
>>>>> On 17 Aug 2015 13:57, "Jacek Anaszewski" <j.anaszewski@...sung.com>
>>>>> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> Hi Vaishali,
>>>>>>
>>>>>> Thanks for the patch. Unfortunately it causes build break.
>>>>>> Please fix the issues and resubmit.
>>>>>
>>>>>
>>>>>
>>>>> Oops! I am really very sorry. By mistake I sent a basic version of
>>>>> patch
>>>>> instead of final one. Thanks for the review.
>>>>>
>>>>> I'll send v2 with the fix of that build error.
>>>>
>>>>
>>>>
>>>> Hi Jacek,
>>>>
>>>> Can you please tell me what are those build errors?
>>>> After looking at my patch, I can expect that as I forgot to
>>>> remove '.remove         = fsg_led_remove' from structure,
>>>> it can cause an error. Also, there is one typing mistake in
>>>> function name. So, both of these can be a reason for
>>>> breaking a build.
>>>
>>>
>>>
>>> Those was the errors I experienced too.
>>>
>>>> Also to be on safe side, I tried to cross compile it for arm
>>>> architecture. But to my surprise, it is not compiling properly.
>>>> So, it would be good if you can point me to the script you
>>>> used for compilation so that I can check it before sending a new
>>>> version.
>>>
>>>
>>>
>>> I am using arm-linux-gnueabi cross toolchain.
>>>
>>> config: arch/arm/configs/ixp4xx_defconfig
>>>
>>> Build command:
>>>
>>> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- all
>>
>>
>> Ok. Thanks for the information. I was using
>>
>> https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross.
>>
>>> After fixing the errors compilation succeeded.
>>> Do you have a hardware to test the modifications against?
>>
>>
>> Ok. I checked with arm-linux-gnueabi cross toolchain
>> and fixing these 2 errors allow us to compile the file
>> successfully.
>>
>> No, I don't have a hardware to test these modifications.
>> I think this change should not lead to any breakage. But
>> yes it is good to test such changes. Can you please test
>> it for me (if you have a hardware), so that I can send v2
>> with fixing those errors?
>
> I don't have the hardware either. I assumed that you had a personal
> interest in modifying this driver, and that you might have had the
> hardware. The modifications are pretty straightforward, compile-testing
> should suffice. Please submit v2.
>

I would love to work on this driver but only if someone having hardware
for this driver is ready to give it to me for testing. :)
For now, I am just working as an Outreachy intern on project Coccinelle
and this case came across while working with devm functions.

Anyways, thanks for the review. I'll send a v2.

> --
> Best Regards,
> Jacek Anaszewski



-- 
Vaishali
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