linux-kernel - Re: [PATCH v1 1/1] gpio: Remove unused local OF node pointers

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Date:   Mon, 20 Dec 2021 15:53:12 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Marc Zyngier <maz@...nel.org>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC..." 
        <linux-mediatek@...ts.infradead.org>,
        linux-unisoc@...ts.infradead.org,
        Gregory Fong <gregory.0xf0@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v1 1/1] gpio: Remove unused local OF node pointers

On Mon, Dec 20, 2021 at 2:24 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> After the commit 448cf90513d9 ("gpio: Get rid of duplicate of_node
> assignment in the drivers") the OF node local pointers become unused.
> Remove them for good and make compiler happy about.
>
> Fixes: 448cf90513d9 ("gpio: Get rid of duplicate of_node assignment in the drivers")
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/gpio/gpio-brcmstb.c | 2 +-
>  drivers/gpio/gpio-gw-pld.c  | 1 -
>  drivers/gpio/gpio-mt7621.c  | 5 ++---
>  drivers/gpio/gpio-rda.c     | 1 -
>  4 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
> index 176c264bb959..74ef89248867 100644
> --- a/drivers/gpio/gpio-brcmstb.c
> +++ b/drivers/gpio/gpio-brcmstb.c
> @@ -704,7 +704,7 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
>                 }
>
>                 gc->owner = THIS_MODULE;
> -               gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", dev->of_node);
> +               gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);

This is unrelated though. Can you make it a separate patch?

Bart

>                 if (!gc->label) {
>                         err = -ENOMEM;
>                         goto fail;
> diff --git a/drivers/gpio/gpio-gw-pld.c b/drivers/gpio/gpio-gw-pld.c
> index 77a3fbd46111..2109803ffb38 100644
> --- a/drivers/gpio/gpio-gw-pld.c
> +++ b/drivers/gpio/gpio-gw-pld.c
> @@ -71,7 +71,6 @@ static int gw_pld_probe(struct i2c_client *client,
>                         const struct i2c_device_id *id)
>  {
>         struct device *dev = &client->dev;
> -       struct device_node *np = dev->of_node;
>         struct gw_pld *gw;
>         int ret;
>
> diff --git a/drivers/gpio/gpio-mt7621.c b/drivers/gpio/gpio-mt7621.c
> index 52b49e7a0a80..ccaad1cb3c2e 100644
> --- a/drivers/gpio/gpio-mt7621.c
> +++ b/drivers/gpio/gpio-mt7621.c
> @@ -205,8 +205,7 @@ mediatek_gpio_xlate(struct gpio_chip *chip,
>  }
>
>  static int
> -mediatek_gpio_bank_probe(struct device *dev,
> -                        struct device_node *node, int bank)
> +mediatek_gpio_bank_probe(struct device *dev, int bank)
>  {
>         struct mtk *mtk = dev_get_drvdata(dev);
>         struct mtk_gc *rg;
> @@ -310,7 +309,7 @@ mediatek_gpio_probe(struct platform_device *pdev)
>         platform_set_drvdata(pdev, mtk);
>
>         for (i = 0; i < MTK_BANK_CNT; i++) {
> -               ret = mediatek_gpio_bank_probe(dev, np, i);
> +               ret = mediatek_gpio_bank_probe(dev, i);
>                 if (ret)
>                         return ret;
>         }
> diff --git a/drivers/gpio/gpio-rda.c b/drivers/gpio/gpio-rda.c
> index 0d03f525dcd3..62ba18b3a602 100644
> --- a/drivers/gpio/gpio-rda.c
> +++ b/drivers/gpio/gpio-rda.c
> @@ -197,7 +197,6 @@ static void rda_gpio_irq_handler(struct irq_desc *desc)
>
>  static int rda_gpio_probe(struct platform_device *pdev)
>  {
> -       struct device_node *np = pdev->dev.of_node;
>         struct device *dev = &pdev->dev;
>         struct gpio_irq_chip *girq;
>         struct rda_gpio *rda_gpio;
> --
> 2.34.1
>