linux-kernel - Re: [PATCH 12/15] ASoC: spear: Convert to use devm_ioremap

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Date:	Tue, 11 Jun 2013 09:21:25 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	Sachin Kamat <sachin.kamat@...aro.org>
CC:	linux-kernel@...r.kernel.org, thierry.reding@...il.com,
	patches@...aro.org, alsa-devel@...a-project.org,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 12/15] ASoC: spear: Convert to use devm_ioremap_resource

On 06/10/2013 05:36 PM, Sachin Kamat wrote:
> On 10 June 2013 17:05, Tushar Behera <tushar.behera@...aro.org> wrote:
>> Commit 75096579c3ac ("lib: devres: Introduce devm_ioremap_resource()")
>> introduced devm_ioremap_resource() and deprecated the use of
>> devm_request_and_ioremap().
> 
> This patch does a little more than just conversion. May that change
> could be mentioned here.
> 

Sure. I will update that.

>>
>> Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
>> CC: alsa-devel@...a-project.org
>> CC: Liam Girdwood <lgirdwood@...il.com>
>> CC: Mark Brown <broonie@...nel.org>
>> ---
>>  sound/soc/spear/spdif_out.c |   20 +++++---------------
>>  1 file changed, 5 insertions(+), 15 deletions(-)
>>
>> diff --git a/sound/soc/spear/spdif_out.c b/sound/soc/spear/spdif_out.c
>> index 4bde512..896ee7f 100644
>> --- a/sound/soc/spear/spdif_out.c
>> +++ b/sound/soc/spear/spdif_out.c
>> @@ -282,27 +282,17 @@ static int spdif_out_probe(struct platform_device *pdev)
>>         struct resource *res;
>>         int ret;
>>
>> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -       if (!res)
>> -               return -EINVAL;
>> -
>> -       if (!devm_request_mem_region(&pdev->dev, res->start,
>> -                               resource_size(res), pdev->name)) {
>> -               dev_warn(&pdev->dev, "Failed to get memory resourse\n");
>> -               return -ENOENT;
>> -       }
>> -
>>         host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
>>         if (!host) {
>>                 dev_warn(&pdev->dev, "kzalloc fail\n");
>>                 return -ENOMEM;
>>         }
>>
>> -       host->io_base = devm_request_and_ioremap(&pdev->dev, res->start,
>> -                               resource_size(res));
>> -       if (!host->io_base) {
>> -               dev_warn(&pdev->dev, "ioremap failed\n");
>> -               return -ENOMEM;
>> +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> +       host->io_base = devm_ioremap_resource(&pdev->dev, res);
>> +       if (IS_ERR(host->io_base)) {
>> +               dev_warn(&pdev->dev, "devm_ioremap_resource failed\n");
> 
> This print is not needed as devm_ioremap_resource prints its own messages.
> 
> 

Ok.

Thanks.

-- 
Tushar Behera
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