linux-kernel - Re: [PATCH] [RFC] mtd: fixup CFI on ixp4xx

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Message-ID: <CACRpkdbirEZiKQxSWSsiwwvpui5Pw6vON-C-=BLJei0s8znLxg@mail.gmail.com>
Date:   Tue, 28 Sep 2021 01:27:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Linus Walleij <linusw@...nel.org>,
        Imre Kaloz <kaloz@...nwrt.org>,
        Krzysztof Halasa <khalasa@...p.pl>,
        Arnd Bergmann <arnd@...db.de>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        linux-mtd@...ts.infradead.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] [RFC] mtd: fixup CFI on ixp4xx

On Mon, Sep 27, 2021 at 4:10 PM Arnd Bergmann <arnd@...nel.org> wrote:

> From: Arnd Bergmann <arnd@...db.de>
>
> drivers/mtd/maps/ixp4xx.c requires MTD_CFI_BE_BYTE_SWAP to be set
> in order to compile.
>
> drivers/mtd/maps/ixp4xx.c:57:4: error: #error CONFIG_MTD_CFI_BE_BYTE_SWAP required
>
> This patch avoids the #error output by enforcing the policy in
> Kconfig. Not sure if this is the right approach, but it helps doing
> randconfig builds.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

> Any other ideas for how to address it?

We will "soon" have IXP4xx transitioned to device tree and then
physmap-ixp4xx.c is used instead, and this entire driver can be
deleted. I will get there, we just need to remember to mop of cruft
like this at the end of it.

Yours,
Linus Walleij