From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759131Ab2I2AOX (ORCPT ); Fri, 28 Sep 2012 20:14:23 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:59986 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758725Ab2I2AOU (ORCPT ); Fri, 28 Sep 2012 20:14:20 -0400 Message-ID: <1348877643.6858.20.camel@deadeye.wl.decadent.org.uk> Subject: Re: [ 064/218] mmc: card: Skip secure erase on MoviNAND; causes unrecoverable corruption. From: Ben Hutchings To: Ian Chen , Chris Ball Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, alan@lxorguk.ukuu.org.uk, Namjae Jeon , Jaehoon Chung , Linus Walleij , Greg Kroah-Hartman Date: Sat, 29 Sep 2012 02:14:03 +0200 In-Reply-To: <20120928201508.875615166@linuxfoundation.org> References: <20120928201501.208384923@linuxfoundation.org> <20120928201508.875615166@linuxfoundation.org> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-eQ+DTMxkxAw/Y1J1jRgG" X-Mailer: Evolution 3.4.3-1 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 77.203.67.142 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-eQ+DTMxkxAw/Y1J1jRgG Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2012-09-28 at 13:14 -0700, Greg Kroah-Hartman wrote: > 3.4-stable review patch. If anyone has any objections, please let me kno= w. >=20 > ------------------ >=20 > From: Ian Chen >=20 > commit 3550ccdb9d8d350e526b809bf3dd92b550a74fe1 upstream. >=20 > For several MoviNAND eMMC parts, there are known issues with secure > erase and secure trim. For these specific MoviNAND devices, we skip > these operations. >=20 > Specifically, there is a bug in the eMMC firmware that causes > unrecoverable corruption when the MMC is erased with MMC_CAP_ERASE > enabled. >=20 > References: >=20 > http://forum.xda-developers.com/showthread.php?t=3D1644364 > https://plus.google.com/111398485184813224730/posts/21pTYfTsCkB#111398485= 184813224730/posts/21pTYfTsCkB >=20 > Signed-off-by: Ian Chen > Reviewed-by: Namjae Jeon > Acked-by: Jaehoon Chung > Reviewed-by: Linus Walleij > Signed-off-by: Chris Ball > Signed-off-by: Greg Kroah-Hartman [...] I think you owe Greg a backport of this to 3.0. Ben. --=20 Ben Hutchings Usenet is essentially a HUGE group of people passing notes in class. - Rachel Kadel, `A Quick Guide to Newsgroup Etiquette= ' --=-eQ+DTMxkxAw/Y1J1jRgG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAUGY9S+e/yOyVhhEJAQqRWhAAwv8S+rccjsn6LBZI369X3lqK5xKCpybs eGBicIH8Cu32aR5N2tO6noGyrElnO+lE0UNSGUK5wwEs6pG+a98S+o+wm4ZgI7QU EFtZKoPAS23+EVjvAQJMQLNQfuSF9NMti05I3QFL70JF48JZ5qru128g8PuZaKqe M5jxuyAyqseJWHG1oxxmmg5dznlb2vRZ9IkZAX5EafRVTI0aFlvTUtEOou3I9Dcc mVpAWTcGH6dDcUv4hDmxrlPhfdJ51O4cxV25LU2otc8VtGlchp7xo4xGNLRl8nLt 8X28wX9qACrVoS9zPEQ7SQn3KXiGLpjk1Tk8/Q5nyJuh0Dogn/TgXo0kCjcrKUv7 b+D0tWo8nCvdejfHGF/V1I/o71Zyw4aDi32YhoUV0hXRv0BQfJdo3HG8xZ0DVQol w6AM2C87nPglt1oiYIm/+uMZJpv+kS8uaNdVmZ1nWvywG0rNIPfeMGG3iLIgbQEq MNK/H07pjUYO4W34/w1KthTOlbeCHF1jzPHHaMCVTshVFV+kDAKTYD3y38RQOpY1 dUDLtXedxQHf7bSuJujowkxhG5DFsAYJpBwGa1YZOxUJAp/OVI9zHeUWG6anc1b3 nwbgCNXOUaaBYkSjstGw2tbz2usZuNfEbjhFozkJitrLt699y1oVcbiFjQPH9wh6 QtUXhskMY6s= =7ZHW -----END PGP SIGNATURE----- --=-eQ+DTMxkxAw/Y1J1jRgG--