From mboxrd@z Thu Jan 1 00:00:00 1970 From: Artem Bityutskiy Subject: Re: [PATCH v2] mtd: physmap_of: Add "no-unaligned-direct-access" DT property Date: Fri, 24 Aug 2012 18:08:44 +0300 Message-ID: <1345820924.2848.320.camel@sauron.fi.intel.com> References: <1345209752-22938-1-git-send-email-sr@denx.de> Reply-To: dedekind1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============9003120099762644844==" Return-path: In-Reply-To: <1345209752-22938-1-git-send-email-sr-ynQEQJNshbs@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Stefan Roese Cc: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, David Woodhouse , Stephan Gatzka , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org --===============9003120099762644844== Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-SXi7hJe3oqhDPZFOVX6r" --=-SXi7hJe3oqhDPZFOVX6r Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2012-08-17 at 15:22 +0200, Stefan Roese wrote: > On some platforms (e.g. MPC5200) a direct 1:1 mapping may cause > problems with JFFS2 usage, as the local bus (LPB) doesn't support > unaligned accesses as implemented in the JFFS2 code via memcpy(). > By defining "no-unaligned-direct-access", the flash will not be > exposed directly to the MTD users (e.g. JFFS2) any more. >=20 > Signed-off-by: Stefan Roese Pushed to l2-mtd.git, thanks! --=20 Best Regards, Artem Bityutskiy --=-SXi7hJe3oqhDPZFOVX6r Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJQN5j8AAoJECmIfjd9wqK0mIIP+wZdIF3Yp0dnJcmuS7QabS4W 2ZvgAcU5azo9ZYtaVS6+DfsJcRMmfPqu0vfny7ScjgydzUqww2lbitn8OL3xW9Oo Su1u+WuBSVagR++GVw1RyetwlcgPAMvxSArlyIqNNpfPxMB5+KsKi0JxnSD4mw0m swpTN9Fcq+/QfyWn2wEruIJov99nvofCTLOVVT1FXxIlvxiSYxGjXUkd40NKzJBA eLvB9SGFiVEdyeLgPXNGe5gnQbjdK8uI1NBLYoeSgzd/KuYG9ezqzJ5JEHGc4mwO n+tBFrR160EF4clDNB//m5t8ltkCnvaHOoAOVo3SACiUSt9rrGHxFxObIsOeBV+U Jw4k75y8r9bDedBMAM8F0J5jJxiw29Y7yPw5B03I/iTrjBKhaJqVTUldQibgle8H XLwvTZ/9nlzcwgIZqijcmmn4hfOgZNwJwV2V2qD+TWEnzu9T0YY8b6+uY8EimAkl zxAvz8pRHnltxIENxh9dJHn30LDRqDYEEGgLzHM0DhN6YzXSqr1fM8NlqgJ4LZbK 2FsxWeI0nZHFlVsMGrfTMx5wi3qdB/2bcZ+XLgm2Br8BR47dNv8VUvtp1Ojuzd+l 1EBSwGT+r14Y7af2wqJNuChKzhdBt+Ds3KIkq6TySLuA4l4UJTHm1fw3AYMLsRXe da7WHb7oJfIQqiPVHXx5 =Lz4X -----END PGP SIGNATURE----- --=-SXi7hJe3oqhDPZFOVX6r-- --===============9003120099762644844== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ devicetree-discuss mailing list devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org https://lists.ozlabs.org/listinfo/devicetree-discuss --===============9003120099762644844==--