linux-kernel - Re: [PATCH] staging: mt7621-pci-phy: Use devm_platform_ioremap_resource() in mt7621_pci_phy

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Date:   Thu, 19 Sep 2019 06:20:39 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     devel@...verdev.osuosl.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Antti Keränen <detegr@...il.com>,
        Emanuel Bennici <benniciemanuel78@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Neil Brown <neil@...wn.name>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Himanshu Jha <himanshujha199640@...il.com>
Subject: Re: [PATCH] staging: mt7621-pci-phy: Use devm_platform_ioremap_resource()
 in mt7621_pci_phy_probe()

Hi Markus,

Thanks for the patch. It looks good to me.

On Wed, Sep 18, 2019 at 9:12 PM Markus Elfring <Markus.Elfring@....de> wrote:
>
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Wed, 18 Sep 2019 21:01:32 +0200
>
> Simplify this function implementation by using a known wrapper function.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c | 10 +---------
>  1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c b/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
> index d2a07f145143..6ca4a33d13c3 100644
> --- a/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
> +++ b/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
> @@ -324,7 +324,6 @@ static int mt7621_pci_phy_probe(struct platform_device *pdev)
>         const struct soc_device_attribute *attr;
>         struct phy_provider *provider;
>         struct mt7621_pci_phy *phy;
> -       struct resource *res;
>         int port;
>         void __iomem *port_base;
>
> @@ -344,14 +343,7 @@ static int mt7621_pci_phy_probe(struct platform_device *pdev)
>
>         phy->dev = dev;
>         platform_set_drvdata(pdev, phy);
> -
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       if (!res) {
> -               dev_err(dev, "failed to get address resource\n");
> -               return -ENXIO;
> -       }
> -
> -       port_base = devm_ioremap_resource(dev, res);
> +       port_base = devm_platform_ioremap_resource(pdev, 0);
>         if (IS_ERR(port_base)) {
>                 dev_err(dev, "failed to remap phy regs\n");
>                 return PTR_ERR(port_base);
> --
> 2.23.0
>

Reviewed-by: Sergio Paracuellos <sergio.paracuellos@...il.com>