From mboxrd@z Thu Jan  1 00:00:00 1970
From: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v2 17/25] mtd: nand: remove useless
 mtd->priv = chip assignments
Date: Tue, 1 Dec 2015 14:17:47 -0800
Message-ID: <20151201221747.GB64635@google.com>
References: <1448967802-25796-1-git-send-email-boris.brezillon@free-electrons.com>
 <1448967802-25796-18-git-send-email-boris.brezillon@free-electrons.com>
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To: Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hartley Sweeten <hsweeten-3FF4nKcrg1dE2c76skzGb0EOCMrvLtNR@public.gmane.org>, Ryan Mallon <rmallon-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Sascha Hauer <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>, Imre Kaloz <kaloz-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>, Krzysztof Halasa <khalasa-NlWvg49iv0c@public.gmane.org>, Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Alexander Clouter <alex-L4GPcECwBoDe9xe1eoZjHA@public.gmane.org>, Thomas Petazzoni <thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>, Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>, Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>, Sebastian Hesselbarth <sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>, Daniel Mack <daniel-cYrQPVfZoowdnm+yROfE0A@public.gmane.org>, Haojian Zhuang <haojian.zhuang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Robert Jarzmik <robert.jarzmik-GANU6spQydw@public.gmane.org>, Marek
List-Id: linux-omap@vger.kernel.org

On Tue, Dec 01, 2015 at 12:03:14PM +0100, Boris Brezillon wrote:
> mtd_to_nand() now uses the container_of() approach to transform an
> mtd_info pointer into a nand_chip one. Drop useless mtd->priv
> assignments from NAND controller drivers.
>=20
> Signed-off-by: Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
> ---
> Patch generated with the following coccinelle script:
>=20
> ---8<----
> virtual patch
>=20
> @@
> struct mtd_info m;
> struct mtd_info *mp;
> struct nand_chip *c;
> @@
> (
> -(m).priv =3D c;
> |
> -(mp)->priv =3D c;
> |
> -(mp)->priv =3D (void *)c;
> )
> ---8<----
> ---

...

> diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
> index 3f29734..ed4184c 100644
> --- a/drivers/mtd/nand/s3c2410.c
> +++ b/drivers/mtd/nand/s3c2410.c
> @@ -834,7 +834,6 @@ static void s3c2410_nand_init_chip(struct s3c2410_nan=
d_info *info,
>  	chip->IO_ADDR_R =3D chip->IO_ADDR_W;
> =20
>  	nmtd->info	   =3D info;
> -	mtd->priv	   =3D chip;

After this one, we have:

drivers/mtd/nand/s3c2410.c: In function =E2=80=98s3c2410_nand_init_chip=E2=
=80=99:
drivers/mtd/nand/s3c2410.c:791:19: warning: unused variable =E2=80=98mtd=E2=
=80=99 [-Wunused-variable]


>  	nmtd->set	   =3D set;
> =20
>  #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
=20
Brian

--=20
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