Bit errors in the ECC itself are not beeing taken into account.
In this cases the number of detected errors != number of corrected errors and
chien search returns an error.
This patch adds detection of bit errors in the ECC.
Signed-off-by: Steve Schefter <steve@scheftech.com>
Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This patch adds BCH ecc support to the omap nand driver. The BCH
error correction allows for up to 8 bit error correction. It is
also needed for booting from nand on omap4.
This is based on code from Sukumar Ghorai <s-ghorai@ti.com>:
[PATCH] omap3: nand: bch ecc support added
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Sascha Hauer
Steve Schefter