linux-kernel - Re: [PATCH 2/2] video:da8xx-fb: Convert to devm

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Date:	Tue, 2 Jul 2013 14:45:57 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	"Etheridge, Darren" <detheridge@...com>
Cc:	Tomi Valkeinen <tomi.valkeinen@...com>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	LFBDEV <linux-fbdev@...r.kernel.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] video:da8xx-fb: Convert to devm_* api

Hi Darren,

On Wed, Jun 26, 2013 at 5:41 PM, Tomi Valkeinen <tomi.valkeinen@...com> wrote:
> On 26/06/13 15:06, Prabhakar Lad wrote:
>> Hi Tomi,
>>
>> On Wed, Jun 26, 2013 at 5:30 PM, Tomi Valkeinen <tomi.valkeinen@...com> wrote:
>>> On 26/06/13 14:56, Prabhakar Lad wrote:
>>>> Hi Tomi,
>>>>
>>>> On Wed, Jun 26, 2013 at 5:09 PM, Tomi Valkeinen <tomi.valkeinen@...com> wrote:
>>>>> On 16/05/13 10:10, Lad Prabhakar wrote:
>>>>>> From: Lad, Prabhakar <prabhakar.csengg@...il.com>
>>>>>>
>>>>>> Use devm_ioremap_resource instead of reques_mem_region()/ioremap() and
>>>>>> devm_request_irq() instead of request_irq().
>>>>>>
>>>>>> This ensures more consistent error values and simplifies error paths.
>>>>>>
>>>>>> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
>>>>>> ---
>>>>>>  drivers/video/da8xx-fb.c |   39 +++++++--------------------------------
>>>>>>  1 files changed, 7 insertions(+), 32 deletions(-)
>>>>>
>>>>> There's something similar in Darren's da8xx-fb series. Can you check if
>>>>> there are differences?
>>>>>
>>>> I don't see similar changes in his patch series.
>>>
>>> [PATCH 14/23] video: da8xx-fb: use devres
>>>
>> Oops missed it out :), patch is almost similar except
>> for following block,
>>
>> -       fb_clk = clk_get(&device->dev, "fck");
>> +       fb_clk = devm_clk_get(&device->dev, "fck");
>>         if (IS_ERR(fb_clk)) {
>>                 dev_err(&device->dev, "Can not get device clock\n");
>> -               ret = -ENODEV;
>> -               goto err_ioremap;
>> +               return -ENODEV;
>>         }
>>
>> How do you suggest to handle it ?
>
> I think it's easiest if Darren handles the da8xx-fb series for 3.11. So
> if there's something missing from Darren's series, please discuss with him.
>
Either you merge this patch with yours or rebase your patch on top of my patch.
Let me know how you would like to handle it ?

Regards,
--Prabhakar Lad
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