From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kamlakant Patel" Subject: Re: [PATCH 1/3] drivers: mtd: spinand: Add generic spinand frameowrk and micron driver. Date: Wed, 26 Jun 2013 20:52:44 +0530 Message-ID: <20130626152243.GA9414@kpatel.netlogicmircro.com> References: <1372232472-2641-1-git-send-email-sourav.poddar@ti.com> <1372232472-2641-2-git-send-email-sourav.poddar@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: rnayak-l0cyMroinI0@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, tqnguyen-AL4WhLSQfzjQT0dZR+AlfA@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, manonuevo-AL4WhLSQfzjQT0dZR+AlfA@public.gmane.org To: "Sourav Poddar" Return-path: In-Reply-To: <1372232472-2641-2-git-send-email-sourav.poddar-l0cyMroinI0@public.gmane.org> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org On Wed, Jun 26, 2013 at 01:11:10PM +0530, Sourav Poddar wrote: > From: Mona Anonuevo > > This patch adds support for a generic spinand framework(spinand_mtd.c). > This frameowrk can be used for other spi based flash devices also. The idea > is to have a common model under drivers/mtd, as also present for other no spi > devices(there is a generic framework and device part simply attaches itself to it.) > > The generic frework will be used later by me for a SPI based spansion S25FL256 device. > The patch also contains a micron driver attaching itself to generic framework. > > Signed-off-by: Mona Anonuevo > Signed-off-by: Tuan Nguyen > Signed-off-by: Sourav Poddar > ---- > [I picked this as a standalone patch, can split it into generic and device part > based on community feedback.] > > drivers/mtd/Kconfig | 2 + > drivers/mtd/Makefile | 2 + > drivers/mtd/spinand/Kconfig | 24 ++ > drivers/mtd/spinand/Makefile | 10 + > drivers/mtd/spinand/spinand_lld.c | 776 +++++++++++++++++++++++++++++++++++++ > drivers/mtd/spinand/spinand_mtd.c | 690 +++++++++++++++++++++++++++++++++ > include/linux/mtd/spinand.h | 155 ++++++++ > 7 files changed, 1659 insertions(+), 0 deletions(-) > create mode 100644 drivers/mtd/spinand/Kconfig > create mode 100644 drivers/mtd/spinand/Makefile > create mode 100644 drivers/mtd/spinand/spinand_lld.c > create mode 100644 drivers/mtd/spinand/spinand_mtd.c > create mode 100644 include/linux/mtd/spinand.h > I am working on Micron SPINAND(Micron MT29F1G01ZACH). I tried this patch, but it's not working. It is throwing following error message while mounting: [ 260.232000] jffs2: cannot read OOB for EB at 00000000, requested 8 bytes, read 0 bytes, error -22 mount: mounting /dev/mtdblock5 on /mnt/ failed: Input/output error I am working on it to fix into the driver, will send an updated patch with the fix. Thanks, Kamlakant Patel ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev