From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Tue, 1 Nov 2011 17:08:13 -0500 Subject: [U-Boot] [PATCH v2 8/8] nand: make 1-bit software ECC configurable In-Reply-To: <20111101220430.GA7716@schlenkerla.am.freescale.net> References: <1318404726-27147-1-git-send-email-christian.hitz@aizo.com> <1318404726-27147-8-git-send-email-christian.hitz@aizo.com> <20111101220430.GA7716@schlenkerla.am.freescale.net> Message-ID: <4EB06DCD.2050805@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 11/01/2011 05:04 PM, Scott Wood wrote: > On Wed, Oct 12, 2011 at 09:32:06AM +0200, Christian Hitz wrote: >> The software ECC algorithm is not necessary when hardware ECC >> is available and can be left out for a smaller image size. >> Enable with CONFIG_MTD_ECC_SOFT. >> >> Signed-off-by: Christian Hitz >> Cc: Scott Wood >> --- >> >> Saves 2312 bytes of image size when software ECC is not used. >> >> Changes since v1: >> - new option to disable software ECC >> >> drivers/mtd/nand/Makefile | 2 +- >> drivers/mtd/nand/nand_base.c | 4 ++++ >> include/linux/mtd/nand_ecc.h | 25 +++++++++++++++++++++++++ >> 3 files changed, 30 insertions(+), 1 deletions(-) > > Please check which boards select drivers which may use soft ECC, > and have them #define CONFIG_MTD_ECC_SOFT. Also document the option in doc/README.nand, and it should probably be CONFIG_SYS_NAND_ECC_SOFT. -Scott