linux-kernel - Re: [PATCH 27/42] drivers: gpio: rcar: use devm_platform_ioremap

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Date:   Tue, 12 Mar 2019 20:01:18 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Enrico Weigelt, metux IT consult" <info@...ux.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Andrew Jeffery <andrew@...id.au>,
        Florian Fainelli <f.fainelli@...il.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, hoan@...amperecomputing.com,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...aro.org>,
        Lyra Zhang <zhang.lyra@...il.com>, keguang.zhang@...il.com,
        vz@...ia.com, Matthias Brugger <matthias.bgg@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Kevin Hilman <khilman@...nel.org>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Jun Nie <jun.nie@...aro.org>, Shawn Guo <shawnguo@...nel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-mips@...r.kernel.org,
        Linux PWM List <linux-pwm@...r.kernel.org>,
        "open list:TI ETHERNET SWITCH DRIVER (CPSW)" 
        <linux-omap@...r.kernel.org>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH 27/42] drivers: gpio: rcar: use devm_platform_ioremap_resource()

CC linux-renesas-soc

On Mon, Mar 11, 2019 at 7:58 PM Enrico Weigelt, metux IT consult
<info@...ux.net> wrote:
> Use the new helper that wraps the calls to platform_get_resource()
> and devm_ioremap_resource() together.
>
> Signed-off-by: Enrico Weigelt, metux IT consult <info@...ux.net>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

> --- a/drivers/gpio/gpio-rcar.c
> +++ b/drivers/gpio/gpio-rcar.c
> @@ -430,7 +430,7 @@ static int gpio_rcar_parse_dt(struct gpio_rcar_priv *p, unsigned int *npins)
>  static int gpio_rcar_probe(struct platform_device *pdev)
>  {
>         struct gpio_rcar_priv *p;
> -       struct resource *io, *irq;
> +       struct resource *irq;
>         struct gpio_chip *gpio_chip;
>         struct irq_chip *irq_chip;
>         struct device *dev = &pdev->dev;
> @@ -461,8 +461,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
>                 goto err0;
>         }
>
> -       io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       p->base = devm_ioremap_resource(dev, io);
> +       p->base = devm_platform_ioremap_resource(pdev, 0);
>         if (IS_ERR(p->base)) {
>                 ret = PTR_ERR(p->base);
>                 goto err0;

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds