From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.nokia.com ([192.100.105.134] helo=mgw-mx09.nokia.com) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1Kj5GR-0002jN-9x for linux-mtd@lists.infradead.org; Fri, 26 Sep 2008 04:49:11 +0000 Subject: Re: [PATCH] [MTD-UTILS] Add support for 4KB page flash devices From: Artem Bityutskiy To: Kyungmin Park In-Reply-To: <9c9fda240809251728u71366888s9cf81b4eac99472d@mail.gmail.com> References: <33142758.53091221828088797.JavaMail.weblogic@epml16> <9c9fda240809212322h4d9ac26eqfd7c3cfb9630c97b@mail.gmail.com> <000001c91d6f$238a6ea0$3dd66c6b@sisodomain.com> <9c9fda240809251728u71366888s9cf81b4eac99472d@mail.gmail.com> Content-Type: text/plain; charset=utf-8 Date: Fri, 26 Sep 2008 07:48:53 +0300 Message-Id: <1222404533.5012.1.camel@sauron> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Cc: apgmoorthy , linux-mtd@lists.infradead.org, David.Woodhouse@intel.com Reply-To: dedekind@infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, On Fri, 2008-09-26 at 09:28 +0900, Kyungmin Park wrote: > > We can now use these utilities on 4KB devices. > > > > Signed-off-by: Rohit Hagargundgi > > --- >=20 > Acked-by: Kyungmin Park Err, isn't this ABI change which is going to break backward compatibility and is NO-NO in Linux? > > } > > --- a/include/mtd/mtd-abi.h 2008-09-23 15:36:26.000000000 +0530 > > +++ b/include/mtd/mtd-abi.h 2008-09-23 15:48:48.000000000 +0530 > > @@ -104,7 +104,7 @@ struct nand_oobinfo { > > uint32_t useecc; > > uint32_t eccbytes; > > uint32_t oobfree[8][2]; > > - uint32_t eccpos[32]; > > + uint32_t eccpos[128]; > > }; Err, isn't this ABI change which is going to break backward compatibility and is NO-NO in Linux? --=20 Best regards, Artem Bityutskiy (=D0=91=D0=B8=D1=82=D1=8E=D1=86=D0=BA=D0=B8=D0=B9 =D0=90= =D1=80=D1=82=D1=91=D0=BC)