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

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Date:	Wed, 26 Jun 2013 15:11:04 +0300
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Prabhakar Lad <prabhakar.csengg@...il.com>
CC:	"Etheridge, Darren" <detheridge@...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

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.

 Tomi



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