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From: Jacek Anaszewski <j.anaszewski@samsung•com>
To: Vasant Hegde <hegdevasant@linux•vnet.ibm.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail•com>,
	linux-leds@vger•kernel.org, linuxppc-dev@lists•ozlabs.org,
	mpe@ellerman•id.au, rpurdie@rpsys•net, cooloney@gmail•com,
	khandual@linux•vnet.ibm.com, j.anaszewski81@gmail•com,
	arnd@arndb•de, stewart@linux•vnet.ibm.com,
	benh@kernel•crashing.org
Subject: Re: [PATCH v8 3/3] leds/powernv: Add driver for PowerNV platform
Date: Wed, 19 Aug 2015 13:54:03 +0200	[thread overview]
Message-ID: <55D46E5B.20203@samsung.com> (raw)
In-Reply-To: <55B7BEA8.7080107@gmail.com>

Hi Vasant,

On 07/28/2015 07:40 PM, Jacek Anaszewski wrote:
> Vasant,
>
> On 28.07.2015 15:40, Vasant Hegde wrote:
>> On 07/27/2015 03:20 PM, Jacek Anaszewski wrote:
>>> Hi Vasant,
>>>
>>> On 27.07.2015 05:41, Vasant Hegde wrote:
>>>> On 07/27/2015 03:11 AM, Jacek Anaszewski wrote:
>>>>> Hi Vasant,
>>>>>
>>>>
>>>> Hi Jacek,
>>>>
>>>>> Two trivial details left. Please find them below.
>>>>
>>>> Thanks for the review/Ack. I'll fix below issues and resend patchset.
>>>>
>>>> I will ask Benh/Michael to take this patchset. But this patchset is
>>>> depending
>>>> on your core changes. Can you confirm that you are pushing that
>>>> patchset in next
>>>> merge window?
>>
>> Jacek,
>>
>>>
>>> Without my core changes your driver won't work with led triggers, but
>>> AFAIR this use case is not relevant for your LEDs? Eventually, we could
>>> produce a patch set adding support for LED triggers if it will be clear
>>> that LED core changes will not be merged in the upcoming merge window.
>>
>> IIUC current LED code doesn't allow me to sleep (without driver specific
>> workqueue). And powernv_led_set() call will sleep. Hence I think it
>> won't work.
>>
>> I did a quick test without your patch. It doesn't seems to be working.

Does brightness setting work properly without work queue?

-- 
Best Regards,
Jacek Anaszewski

  reply	other threads:[~2015-08-19 11:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-25  5:21 [PATCH v8 0/3] LED driver for PowerNV platform Vasant Hegde
2015-07-25  5:21 ` [PATCH v8 1/3] powerpc/powernv: Add OPAL interfaces for accessing and modifying system LED states Vasant Hegde
2015-07-25  5:21 ` [PATCH v8 2/3] powerpc/powernv: Create LED platform device Vasant Hegde
2015-07-25  5:21 ` [PATCH v8 3/3] leds/powernv: Add driver for PowerNV platform Vasant Hegde
2015-07-26 21:41   ` Jacek Anaszewski
2015-07-27  3:41     ` Vasant Hegde
2015-07-27  9:50       ` Jacek Anaszewski
2015-07-28 13:40         ` Vasant Hegde
2015-07-28 17:40           ` Jacek Anaszewski
2015-08-19 11:54             ` Jacek Anaszewski [this message]
2015-08-19 12:06               ` Vasant Hegde
2015-07-28  6:38       ` Jacek Anaszewski
2015-07-28 10:14         ` Benjamin Herrenschmidt
2015-07-28 11:23           ` Jacek Anaszewski
2015-08-18 10:21   ` [v8,3/3] " Michael Ellerman
2015-08-19  8:42     ` Vasant Hegde

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