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From:   Arnd Bergmann <arnd@arndb.de>
Date:   Thu, 28 Oct 2021 16:46:38 +0200
Message-ID: <CAK8P3a2LhGWer=GXMW_KT-8=nqBeS0xhu6si7Z57WAF0wE_TUA@mail.gmail.com>
Subject: Re: [PATCH 04/13] arm: drop an obsolete ifdef with the removed config PCI_HOST_ITE8152
To:     Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc:     Russell King <linux@armlinux.org.uk>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        Sekhar Nori <nsekhar@ti.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Linus Walleij <linusw@kernel.org>,
        Imre Kaloz <kaloz@openwrt.org>,
        Krzysztof Halasa <khalasa@piap.pl>,
        Avi Fishman <avifishman70@gmail.com>,
        Tomer Maimon <tmaimon77@gmail.com>,
        Tali Perry <tali.perry1@gmail.com>,
        Patrick Venture <venture@google.com>,
        Nancy Yuen <yuenn@google.com>,
        Benjamin Fair <benjaminfair@google.com>,
        Dinh Nguyen <dinguyen@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        OpenBMC Maillist <openbmc@lists.ozlabs.org>,
        kernel-janitors@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Precedence: bulk

On Thu, Oct 28, 2021 at 4:19 PM Lukas Bulwahn <lukas.bulwahn@gmail.com> wrote:
>
> Commit 6da5238fa384 ("ARM: 8993/1: remove it8152 PCI controller driver")
> removes the config PCI_HOST_ITE8152, but left a dangling obsolete ifndef
> in ./arch/arm/kernel/bios32.c.
>
> Hence, ./scripts/checkkconfigsymbols.py warns:
>
> PCI_HOST_ITE8152
> Referencing files: arch/arm/kernel/bios32.c
>
> Remove this obsolete ifndef.
>
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>

Reviewed-by: Arnd Bergmann <arnd@arndb.de>

I wonder if we should just remove this function and use the
(non-empty) default version instead.

96c5590058d7 ("PCI: Pull PCI 'latency timer' setup up into the core")
introduced that generic version, and I suspect the arm version
was left out by mistake, but it's not clear from that patch.

         Arnd