linux-kernel - Re: [PATCH] pinctrl: at91-pio4: Make PINCTRL_AT91PIO4 depend on HAS

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Date:   Fri, 4 Dec 2020 09:55:05 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH] pinctrl: at91-pio4: Make PINCTRL_AT91PIO4 depend on
 HAS_IOMEM to fix build error

On Tue, Nov 24, 2020 at 10:17 AM Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:

> If CONFIG_HAS_IOMEM is not set, devm_platform_ioremap_resource() will
> be not built in drivers/base/platform.c and then there exists a build
> error about undefined reference to "devm_platform_ioremap_resource"
> in pinctrl-at91-pio4.c under COMPILE_TEST and CONFIG_PINCTRL_AT91PIO4,
> make PINCTRL_AT91PIO4 depend on HAS_IOMEM to fix it.
>
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>

Patch applied as non-critical fix for v5.11.

Yours,
Linus Walleij