linux-kernel - Re: mainline build failure due to 81c0386c1376 ("regmap: mmio: Support accelerared noinc operations")

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Date:   Wed, 5 Oct 2022 11:38:59 +0100
From:   Mark Brown <broonie@...nel.org>
To:     "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: mainline build failure due to 81c0386c1376 ("regmap: mmio:
 Support accelerared noinc operations")

On Wed, Oct 05, 2022 at 07:30:56AM +0100, Sudip Mukherjee (Codethink) wrote:
> Hi All,
> 
> The latest mainline kernel branch fails to build alpha allmodconfig
> with the error:
> 
> drivers/base/regmap/regmap-mmio.c: In function 'regmap_mmio_noinc_write':
> drivers/base/regmap/regmap-mmio.c:222:17: error: implicit declaration of function 'writesb'; did you mean 'writeb'? [-Werror=implicit-function-declaration]
>   222 |                 writesb(ctx->regs + reg, (const u8 *)val, val_count);
>       |                 ^~~~~~~
>       |                 writeb

I'd forgotten about this one, sorry, and alpha isn't covered by things
like KernelCI so I didn't see the failure when I checked before sending
my pull request.  It's fixed in -next by 7e772dad9913992 ("alpha: Use
generic <asm-generic/io.h>") from Linus Walleij which is in the
asm-generic tree.

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