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

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Date:   Fri, 16 Dec 2022 08:36:26 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Arnd Bergmann <arnd@...db.de>,
        Tokunori Ikegami <ikegami.t@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Mauro Lima <mauro.lima@...ypsium.com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: cfi: allow building spi-intel standalone

On Thu, Dec 15, 2022 at 05:39:38PM +0100, 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.
> 
> Use an #ifdef here to guard the settings so the header can be included
> in all configurations.
> 
> Fixes: e23e5a05d1fd ("mtd: spi-nor: intel-spi: Convert to SPI MEM")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>