From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id E120BB7249 for ; Sat, 20 Jun 2009 03:51:35 +1000 (EST) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by ozlabs.org (Postfix) with ESMTP id 48835DDD0C for ; Sat, 20 Jun 2009 03:51:34 +1000 (EST) Date: Fri, 19 Jun 2009 19:51:05 +0200 From: Wolfram Sang To: Lorenz Kolb Subject: Re: Problem with memcpy on ppc8536 Message-ID: <20090619175105.GA16015@pengutronix.de> References: <71DEA556544D7A4F9C6848402D8184340C4A13__24467.8549039692$1245370891$gmane$org@usi01.ultsol.local> <4A3BC58A.7050408@missinglinkelectronics.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="EeQfGwPcQSOJBaQU" In-Reply-To: <4A3BC58A.7050408@missinglinkelectronics.com> Cc: linuxppc-dev@ozlabs.org, Fahd Abidi List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --EeQfGwPcQSOJBaQU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 19, 2009 at 07:06:18PM +0200, Lorenz Kolb wrote: > Could you please try the following patch, I am quite sure that checking = =20 > for > 4 was accidentially done within io.c instead of >=3D 4 as if it's 4= =20 > we still can copy a 32-bit word. Some hardware might not be happy about = =20 > 8-bit accesses... There seems to be desire for this fix: http://lists.ozlabs.org/pipermail/linuxppc-dev/2009-May/072582.html If it works here, too, then you could maybe also ack it? BTW, I can't find the original patch in patchwork, maybe the patch was miss= ed because of that? Regards, Wolfram --=20 Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ | --EeQfGwPcQSOJBaQU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAko70AkACgkQD27XaX1/VRuHmACgo1pRdxxR+l8OC2qvVg9gNcPh rz0An3A/EIDx9bC7oXm+19D1A4STzVKK =sEUy -----END PGP SIGNATURE----- --EeQfGwPcQSOJBaQU--