From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-out.m-online.net ([212.18.0.9]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VHDdl-0005k1-Ie for linux-mtd@lists.infradead.org; Wed, 04 Sep 2013 14:01:02 +0000 From: Marek Vasut To: Huang Shijie Subject: Re: gpmi-nand driver and jffs2 support Date: Wed, 4 Sep 2013 16:00:36 +0200 References: <522062B4.4080709@digi.com> <201309031353.18964.marex@denx.de> <52269A56.4030808@freescale.com> In-Reply-To: <52269A56.4030808@freescale.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <201309041600.37107.marex@denx.de> Cc: "fabio.estevam@freescale.com" , Huang Shijie , "u-boot@lists.denx.de" , Hector Palacios , "linux-mtd@lists.infradead.org" , scottwood@freescale.com, Fabio Estevam List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Dear Huang Shijie, > =E4=BA=8E 2013=E5=B9=B409=E6=9C=8803=E6=97=A5 19:53, Marek Vasut =E5=86= =99=E9=81=93: > > questions comes to mind. Is JFFS2 support in Linux 3.7 not compatible > > with JFFS2 in Linux -next? Is this true? Can I not mount JFFS2 partition > > under Linux-next >=20 > The jffs2 does not changed since the linux 3.7. > All the changes happened in the drivers and mtd code. OK, JFFS2 aside then, let's focus on MTD core code. > The gpmi does not support the jffs2 all the time. Only apply the slc/mlc > patch set, > the gpmi can support the jffs2. How come hector was then able to write his JFFS2 partition ? > So the jffs2 support is compatiable all the time. Is the old Freescale 2.6.35 GPMI NAND format compatible with the one after= =20 applying this patchset? > > that I could mount with Linux 3.7 and earlier? >=20 > I think the mount can be succeeded. Ok, does that mean that we need this patchset in U-Boot in order to properl= y=20 write JFFS2 onto GPMI NAND there? Is that the message you wanted to relay t= o us? Best regards, Marek Vasut