linux-kernel - Re: [RESEND PATCH v7] mtd: spi-nor: add hisilicon spi-nor flash controller driver

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Date:	Fri, 4 Mar 2016 21:35:00 -0300
From:	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:	Jiancheng Xue <xuejiancheng@...wei.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Rafał Miłecki <zajec5@...il.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Jagan Teki <jteki@...nedev.com>,
	Gabor Juhos <juhosg@...nwrt.org>, shijie.huang@...el.com,
	mika.westerberg@...ux.intel.com, furquan@...gle.com,
	han.xu@...escale.com, fabio.estevam@...escale.com,
	Joachim Eastwood <manabian@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	yanhaifeng@...ilicon.com, yanghongwei@...ilicon.com,
	suwenping@...ilicon.com, raojun@...ilicon.com,
	ml.yang@...ilicon.com, gaofei@...ilicon.com,
	zhangzhenxing@...ilicon.com, xuejiancheng@...ilicon.com,
	Binquan Peng <pengbinquan@...wei.com>
Subject: Re: [RESEND PATCH v7] mtd: spi-nor: add hisilicon spi-nor flash
 controller driver

Hi Jiancheng,

On 26 February 2016 at 05:11, Jiancheng Xue <xuejiancheng@...wei.com> wrote:
[..]
> diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig
> index 0dc9275..c86d7cf 100644
> --- a/drivers/mtd/spi-nor/Kconfig
> +++ b/drivers/mtd/spi-nor/Kconfig
> @@ -37,6 +37,12 @@ config SPI_FSL_QUADSPI
>           This controller does not support generic SPI. It only supports
>           SPI NOR.
>
> +config SPI_HISI_SFC
> +       tristate "Hisilicon SPI-NOR Flash Controller(SFC)"
> +       depends on ARCH_HISI || COMPILE_TEST

I believe you are missing a "depends on HAS_IOMEM".
The NXP_SPIFI driver below does the right thing in this
regard.

Otherwise, you'll get a build failure on ARCH=um.

drivers/built-in.o: In function `hisi_spi_nor_probe':
hisi-sfc.c:(.text+0x57ca5): undefined reference to `devm_ioremap_resource'
hisi-sfc.c:(.text+0x57d0e): undefined reference to `dmam_alloc_coherent'

Care to send a new one?
-- 
Ezequiel García, VanguardiaSur
www.vanguardiasur.com.ar