From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mtd: nand/raw: MTD_NAND_BCM47XXNFLASH needs CONFIG_BCMA
Date: Wed, 11 Jul 2018 10:44:46 +0200 [thread overview]
Message-ID: <20180711104446.69af988a@bbrezillon> (raw)
In-Reply-To: <20180711084010.57950-1-arnd@arndb.de>
On Wed, 11 Jul 2018 10:39:44 +0200
Arnd Bergmann <arnd@arndb.de> wrote:
> We already have a dependency on BCMA_NFLASH, which in turn depends on
> BCMA, but since BCMA is a tristate option and BCMA_NFLASH is bool,
> we can run into an invalid configuration with MTD_NAND_BCM47XXNFLASH=y
> and BCMA=m:
>
> drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.o: In function `bcm47xxnflash_ops_bcm4706_init':
> ops_bcm4706.c:(.text+0x790): undefined reference to `bcma_chipco_pll_read'
>
> Adding the dependency here forces MTD_NAND_BCM47XXNFLASH to only be
> configured =m here so it can link against the BCMA driver.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
> ---
> drivers/mtd/nand/raw/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
> index 230311fa2cc0..b457f92d55d4 100644
> --- a/drivers/mtd/nand/raw/Kconfig
> +++ b/drivers/mtd/nand/raw/Kconfig
> @@ -364,6 +364,7 @@ config MTD_NAND_BRCMNAND
> config MTD_NAND_BCM47XXNFLASH
> tristate "Support for NAND flash on BCM4706 BCMA bus"
> depends on BCMA_NFLASH
> + depends on BCMA
> help
> BCMA bus can have various flash memories attached, they are
> registered by bcma as platform devices. This enables driver for
next prev parent reply other threads:[~2018-07-11 8:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-11 8:39 [PATCH] mtd: nand/raw: MTD_NAND_BCM47XXNFLASH needs CONFIG_BCMA Arnd Bergmann
2018-07-11 8:44 ` Boris Brezillon [this message]
2018-07-18 7:50 ` Miquel Raynal
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