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SubjectRe: [PATCH] devres: allow const resource arguments
On Fri, Jun 28, 2019 at 5:00 PM Arnd Bergmann <> wrote:

> devm_ioremap_resource() does not currently take 'const' arguments,
> which results in a warning from the first driver trying to do it
> anyway:
> drivers/gpio/gpio-amd-fch.c: In function 'amd_fch_gpio_probe':
> drivers/gpio/gpio-amd-fch.c:171:49: error: passing argument 2 of 'devm_ioremap_resource' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
> priv->base = devm_ioremap_resource(&pdev->dev, &amd_fch_gpio_iores);
> ^~~~~~~~~~~~~~~~~~~
> Change the prototype to allow it, as there is no real reason not to.
> Fixes: 9bb2e0452508 ("gpio: amd: Make resource struct const")
> Signed-off-by: Arnd Bergmann <>

Patch applied with Greg's and Enrico's ACKs.

Linus Walleij

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