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SubjectRE: [PATCH] watchdog: davinci_wdt: update to devm_* API
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Hi Sergei

On Thu, Feb 07, 2013 at 16:51:37, Sergei Shtylyov wrote:
> Hello.
>
> On 07-02-2013 7:32, Kumar, Anil wrote:
>
> > Update the code to use devm_* API so that driver
> > core will manage resources.
>
> > Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
> > ---
> > This patch applies on top of v3.8-rc6.
>
> > Tested on da850 EVM.
>
> > :100644 100644 e8e8724... 6ad76a3... M drivers/watchdog/davinci_wdt.c
> > drivers/watchdog/davinci_wdt.c | 34 +++++++++-------------------------
> > 1 files changed, 9 insertions(+), 25 deletions(-)
>
> > diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
> > index e8e8724..6ad76a3 100644
> > --- a/drivers/watchdog/davinci_wdt.c
> > +++ b/drivers/watchdog/davinci_wdt.c
> [...]
> > @@ -213,49 +212,34 @@ static int davinci_wdt_probe(struct platform_device *pdev)
> [...]
> > - size = resource_size(wdt_mem);
> > - if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
> > - dev_err(dev, "failed to get memory region\n");
> > - return -ENOENT;
> > - }
> > -
> > - wdt_base = ioremap(wdt_mem->start, size);
> > + wdt_base = devm_request_and_ioremap(&pdev->dev, wdt_mem);
> > if (!wdt_base) {
> > - dev_err(dev, "failed to map memory region\n");
> > - release_mem_region(wdt_mem->start, size);
> > - wdt_mem = NULL;
> > + dev_err(&pdev->dev, "ioremap failed\n");
> > return -ENOMEM;
>
> Comment to devm_request_and_ioremap() suggest returning -EADDRNOTAVAIL
> instead.

Right.

Thanks,
Anil


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