linux-kernel - Re: linux-next: build warning after merge of the gpio tree

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Date:   Thu, 27 Jun 2019 15:57:46 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Enrico Weigelt <info@...ux.net>
Subject: Re: linux-next: build warning after merge of the gpio tree

On Thu, Jun 27, 2019 at 9:20 AM Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> After merging the gpio tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> drivers/gpio/gpio-amd-fch.c: In function 'amd_fch_gpio_probe':
> drivers/gpio/gpio-amd-fch.c:171:49: warning: passing argument 2 of 'devm_ioremap_resource' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
>   priv->base = devm_ioremap_resource(&pdev->dev, &amd_fch_gpio_iores);
>                                                  ^~~~~~~~~~~~~~~~~~~
> In file included from include/linux/platform_device.h:13,
>                  from drivers/gpio/gpio-amd-fch.c:15:
> include/linux/device.h:708:15: note: expected 'struct resource *' but argument is of type 'const struct resource *'
>  void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res);
>                ^~~~~~~~~~~~~~~~~~~~~
>
> Introduced by commit
>
>   9bb2e0452508 ("gpio: amd: Make resource struct const")

OK I dropped this commit until Enrico get some time to figure out
what's going wrong here.

Yours,
Linus Walleij