linux-kernel - Re: [PATCH] devres: allow const resource arguments

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Message-ID: <665cd853-ba34-8913-3b63-a88130eda3f8@metux.net>
Date:   Tue, 2 Jul 2019 22:26:14 +0200
From:   "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
To:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Enrico Weigelt <info@...ux.net>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] devres: allow const resource arguments

On 28.06.19 16:59, 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);
>                                                  ^~~~~~~~~~~~~~~~~~~

<snip>

I've posted quite the same some time ago - no idea why it got no
response.


Reviwed-By: Enrico Weigelt <info@...ux.net>


--mtx

-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287