From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pa0-x229.google.com ([2607:f8b0:400e:c03::229]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VHECp-0006ug-3q for linux-mtd@lists.infradead.org; Wed, 04 Sep 2013 14:37:17 +0000 Received: by mail-pa0-f41.google.com with SMTP id bj1so519569pad.14 for ; Wed, 04 Sep 2013 07:36:53 -0700 (PDT) Date: Wed, 4 Sep 2013 22:41:47 -0400 From: Huang Shijie To: Marek Vasut Subject: Re: gpmi-nand driver and jffs2 support Message-ID: <20130905024145.GA5913@gmail.com> References: <522062B4.4080709@digi.com> <201309031353.18964.marex@denx.de> <52269A56.4030808@freescale.com> <201309041600.37107.marex@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201309041600.37107.marex@denx.de> Cc: "fabio.estevam@freescale.com" , "u-boot@lists.denx.de" , Huang Shijie , 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: , On Wed, Sep 04, 2013 at 04:00:36PM +0200, Marek Vasut wrote: > Dear Huang Shijie, > How come hector was then able to write his JFFS2 partition ? If he uses the gpmi, he should not write the JFFS2, since the gpmi does not support the jffs2. He will get the failure in the end. > > > So the jffs2 support is compatiable all the time. > > Is the old Freescale 2.6.35 GPMI NAND format compatible with the one after > applying this patchset? Not compatible. This patch set is still underreview. > > > > that I could mount with Linux 3.7 and earlier? > > > > I think the mount can be succeeded. > > Ok, does that mean that we need this patchset in U-Boot in order to properly > write JFFS2 onto GPMI NAND there? Is that the message you wanted to relay to us? Besides this patchset, the u-boot needs more patches to sync with the kernel mtd code. Such as the full-id features. thanks Huang Shijie