From: k.kozlowski@samsung.com (Krzysztof Kozlowski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv7] ARM: exynos_defconfig: Enable LEDS for Odroid-XU3/XU4
Date: Fri, 04 Sep 2015 15:48:46 +0900 [thread overview]
Message-ID: <55E93ECE.60006@samsung.com> (raw)
In-Reply-To: <CANAwSgQOijKEyhvM=DU4nRdGK6v5cxJUZ54pnnG2YqjeT9pBxA@mail.gmail.com>
On 04.09.2015 15:20, Anand Moon wrote:
> Hi All,
>
> On 4 September 2015 at 05:56, Javier Martinez Canillas
> <javier@osg.samsung.com> wrote:
>> Hello Krzysztof,
>>
>> On 09/04/2015 01:55 AM, Krzysztof Kozlowski wrote:
>>> On 04.09.2015 03:11, Anand Moon wrote:
>>>> Earlier design of the LED for Odroid XU3 was using gpio-leds
>>>> Now It was change to using both pwm-leds and gpio-leds.
>>>
>>> It is still not a reason for this change. gpio-leds were not enabled
>>> before. This could be a valid reason of adding LEDS_PWM to existing
>>> config LEDS_GPIO. But LEDS_GPIO were not enabled... so why the change on
>>> the board from gpio->(gpio+pwm) means that we have to enable LEDS_GPIO?
>>>
>>
>> Agreed, also the commit message doesn't explain why the heartbeat
>> LED trigger is enabled as I mentioned in the previous version.
>>
>>> Actually I gave up on this and I wanted to change the commit message on
>>> myself when applying. But discussion was brought up again so... clearly
>>> we have different understanding of the meaning of "WHY". :)
>>>
>>> Best regards,
>>> Krzysztof
>>>
>
> Just of the records. I you agree with following commit message I will
> resend the patch.
> ------------------------------------------------------
> Exynos boards support GPIO and PWM based LEDs
>
> Odroid boards support led activity to indicate the various status
> Red led - power: hooked up to 5V power
> Blue led - alive Solid light : u-boot is running
> flashing : Kernel is running (heart beat)
> -------------------------------------------------------
> If you want to add some thing more please suggest me.
>
> Earlier I was just frustrated.
That commit message looks better. Anyway I applied the patch with
changed message. You can find it here:
https://github.com/krzk/linux/commit/8b14e57ae423b676873e542944ed8714be211ded
although it is not pushed to the for-next branch because we are at merge
window.
Best regards,
Krzysztof
next prev parent reply other threads:[~2015-09-04 6:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 18:11 [PATCHv7] ARM: exynos_defconfig: Enable LEDS for Odroid-XU3/XU4 Anand Moon
2015-09-03 23:55 ` Krzysztof Kozlowski
2015-09-04 0:26 ` Javier Martinez Canillas
2015-09-04 2:49 ` Anand Moon
2015-09-04 6:20 ` Anand Moon
2015-09-04 6:48 ` Krzysztof Kozlowski [this message]
2015-09-04 6:54 ` Anand Moon
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