linux-kernel - Re: [PATCH] pinctrl: nomadik: fix incorrect type in return expression

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Message-ID: <CACRpkdYtgZ-iMeDBXYhtW94Vkvcj81QhqAfz3z-zajCNJV7j3w@mail.gmail.com>
Date:   Mon, 7 Aug 2017 15:14:12 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Alessandro Rubini <rubini@...pv.it>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: nomadik: fix incorrect type in return expression

On Fri, Aug 4, 2017 at 6:49 AM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:

> Sparse reports "warning: incorrect type in return expression (different
> address spaces)" because nmk_gpio_populate_chip() is supposed to return
> (struct nmk_gpio_chip *) whereas devm_ioremap_resource() returns
> (void __iomem *).  ERR_CAST() is needed to fix the warning.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Patch applied.

Yours,
Linus Walleij