linux-kernel - Re: [PATCH] [v2] mtd: cfi: allow building spi-intel standalone

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Date:   Tue, 20 Dec 2022 16:57:01 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Tudor Ambarus <tudor.ambarus@...aro.org>
Cc:     Arnd Bergmann <arnd@...nel.org>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Pratyush Yadav <pratyush@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Michael Walle <michael@...le.cc>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Takahiro Kuwano <Takahiro.Kuwano@...ineon.com>,
        Sai Krishna Potthuri <sai.krishna.potthuri@....com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Mauro Lima <mauro.lima@...ypsium.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [v2] mtd: cfi: allow building spi-intel standalone

Hi Tudor,

tudor.ambarus@...aro.org wrote on Tue, 20 Dec 2022 17:44:49 +0200:

> Hi, Arnd,
> 
> On 20.12.2022 16:13, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@...db.de>
> > 
> > When MTD or MTD_CFI_GEOMETRY is disabled, the spi-intel driver
> > fails to build, as it includes the shared CFI header:
> > 
> > include/linux/mtd/cfi.h:62:2: error: #warning No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work. [-Werror=cpp]
> >     62 | #warning No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.
> > 
> > linux/mtd/spi-nor.h does not actually need to include cfi.h, so
> > remove the inclusion here to fix the warning. This uncovers a
> > missing #include in spi-nor/core.c so add that there to
> > prevent a different build issue.
> > 
> > Fixes: e23e5a05d1fd ("mtd: spi-nor: intel-spi: Convert to SPI MEM")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>  
> 
> Looks good to me. I'll let the linux-0day bot run over it and apply it
> once -rc1 is out.

The issue sometimes produces build errors, shall I send it through a
fixes PR instead?

Thanks,
Miquèl