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From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Fri, 23 Feb 2024 08:51:10 +0100
Message-ID: <CACMJSevZxCiqa8uz+XU36psCa5T_rQGi5tVkMejpZj22Bj1k3Q@mail.gmail.com>
Subject: Re: linux-next: build failure after merge of the gpio-brgl tree
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>, Andy Shevchenko <andy.shevchenko@gmail.com>, 
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, 
	Linux Next Mailing List <linux-next@vger.kernel.org>
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On Fri, 23 Feb 2024 at 04:33, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> After merging the gpio-brgl tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> x86_64-linux-gnu-ld: vmlinux.o: in function `bgpio_write64':
> gpio-mmio.c:(.text+0x1489427): undefined reference to `iowrite64'
> x86_64-linux-gnu-ld: vmlinux.o: in function `bgpio_read64':
> gpio-mmio.c:(.text+0x14894a0): undefined reference to `ioread64'
> x86_64-linux-gnu-ld: vmlinux.o: in function `bgpio_write64be':
> gpio-mmio.c:(.text+0x1489527): undefined reference to `iowrite64be'
> x86_64-linux-gnu-ld: vmlinux.o: in function `bgpio_read64be':
> gpio-mmio.c:(.text+0x14895a0): undefined reference to `ioread64be'
>
> Caused by commit
>
>   36e44186e0ba ("gpio: mmio: Support 64-bit BE access")
>
> I have used the gpio-brgl from next-20240222 for today.
>
> --
> Cheers,
> Stephen Rothwell

Hi Stephen,

I'm not seeing this issue with allmodconfig on x86_64, could you give
me some more information on the build environment?

Andy: Could it be that the ifdefs you added should depend on
CONFIG_64BIT and not only on the BITS_PER_LONG value?

Bartosz