linux-kernel - Re: [PATCH v2] mtd: vt8500: Add support for Wondermedia Serial Flash Controller

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Date:	Wed, 16 Jan 2013 06:45:07 +1300
From:	Tony Prisk <linux@...sktech.co.nz>
To:	dedekind1@...il.com
Cc:	David Woodhouse <dwmw2@...radead.org>,
	vt8500-wm8505-linux-kernel@...glegroups.com,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] mtd: vt8500: Add support for Wondermedia Serial
 Flash Controller

On Tue, 2013-01-15 at 16:55 +0200, Artem Bityutskiy wrote:
> On Mon, 2012-12-31 at 10:00 +1300, Tony Prisk wrote:
> > This patch adds support for the Wondermedia serial flash controller
> > found on WM8505, WM8650 and WM8850 SoCs.
> > 
> > Signed-off-by: Tony Prisk <linux@...sktech.co.nz>
> > ---
> > v2: Whitespace tidyup
> 
> Hi, would you please take a look at these warings, identified by aiaiai:
> 
> Successfully built configuration "x86_64_defconfig,x86_64,", results:
> 
> --- before_patching.log
> +++ after_patching.log
> @@ @@
> +drivers/mtd/devices/wmt_sflash.c: In function ‘sf_read’:
> +drivers/mtd/devices/wmt_sflash.c:425:9: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘size_t’ [-Wformat]
> +drivers/mtd/devices/wmt_sflash.c: In function ‘sf_sector_write’:
> +drivers/mtd/devices/wmt_sflash.c:442:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> +drivers/mtd/devices/wmt_sflash.c:442:24: warning: cast removes address space of expression [sparse]
> +drivers/mtd/devices/wmt_sflash.c:458:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
> +drivers/mtd/devices/wmt_sflash.c:458:31: warning: incorrect type in argument 1 (different address spaces) [sparse]
> +drivers/mtd/devices/wmt_sflash.c:458:31:    expected void volatile [noderef] <asn:2>*dst [sparse]
> +drivers/mtd/devices/wmt_sflash.c:458:31:    got unsigned char [usertype] *<noident> [sparse]
> +drivers/mtd/devices/wmt_sflash.c:465:17: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
> +drivers/mtd/devices/wmt_sflash.c:465:39: warning: incorrect type in argument 1 (different address spaces) [sparse]
> +drivers/mtd/devices/wmt_sflash.c:465:39:    expected void volatile [noderef] <asn:2>*dst [sparse]
> +drivers/mtd/devices/wmt_sflash.c:465:39:    got unsigned char [usertype] *<noident> [sparse]
> 

Apologies - This driver shouldn't be selectable for x86_64.
It is an ARM driver for an embedded device. Will fix.

Regards
Tony P

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