linux-kernel - Re: [PATCH 2/2] memory: omap-gpmc: Make use of the devm_platform_ioremap

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Message-ID: <CA+V-a8tEHP8Y1_v4bCEvnK19vqrcT+LgssZ+jqGLMSZfYXLqCA@mail.gmail.com>
Date:   Wed, 22 Dec 2021 10:43:08 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Roger Quadros <rogerq@...nel.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Tony Lindgren <tony@...mide.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] memory: omap-gpmc: Make use of the devm_platform_ioremap_resource()

Hi Roger,

On Wed, Dec 22, 2021 at 10:30 AM Roger Quadros <rogerq@...nel.org> wrote:
>
> Hi Lad,
>
> On 21/12/2021 22:39, Lad Prabhakar wrote:
> > Use the devm_platform_ioremap_resource() helper instead of
> > calling platform_get_resource() and devm_ioremap_resource()
> > separately.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > ---
> >  drivers/memory/omap-gpmc.c | 7 +------
> >  1 file changed, 1 insertion(+), 6 deletions(-)
> >
> > diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
> > index 56f401ba53a5..582fe102f923 100644
> > --- a/drivers/memory/omap-gpmc.c
> > +++ b/drivers/memory/omap-gpmc.c
> > @@ -2492,7 +2492,6 @@ static int gpmc_probe(struct platform_device *pdev)
> >  {
> >       int rc;
> >       u32 l;
> > -     struct resource *res;
> >       struct gpmc_device *gpmc;
> >
> >       gpmc = devm_kzalloc(&pdev->dev, sizeof(*gpmc), GFP_KERNEL);
> > @@ -2502,11 +2501,7 @@ static int gpmc_probe(struct platform_device *pdev)
> >       gpmc->dev = &pdev->dev;
> >       platform_set_drvdata(pdev, gpmc);
> >
> > -     res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > -     if (!res)
> > -             return -ENOENT;
> > -
> > -     gpmc_base = devm_ioremap_resource(&pdev->dev, res);
> > +     gpmc_base = devm_platform_ioremap_resource(pdev, 0);
> >       if (IS_ERR(gpmc_base))
> >               return PTR_ERR(gpmc_base);
> >
> >
>
> Thanks for the patch but this is already being taken care of by this patch
> https://lore.kernel.org/lkml/20211221131757.2030-4-rogerq@kernel.org/T/#m9516df757d98049d769601ee4601005f74f3cec7
>
Thanks for the pointer, this patch can be dropped.

Cheers,
Prabhakar