@@ -1977,9 +1977,8 @@ static int omap_nand_probe(struct platform_device *pdev)
goto return_error;
}
- /* populate remaining ECC layout data */
- ecclayout->oobfree->length = mtd->oobsize - (BADBLOCK_MARKER_LENGTH +
- ecclayout->eccbytes);
+ /* all OOB bytes from oobfree->offset till end off OOB are free */
+ ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset;
for (i = 1; i < ecclayout->eccbytes; i++)
ecclayout->eccpos[i] = ecclayout->eccpos[0] + i;
/* check if NAND device's OOB is enough to store ECC signatures */
ECC layout of some ecc-schemes expect a 'reserve-marker' as specific byte-position in OOB. But current calculation of oobfree->length does not consider that for all ecc-schemes. But in general, for all ecc-schems, OOB bytes from oobfree->offset till end of OOB region are unused. So this patch fixes oobfree->length calculation. Signed-off-by: Pekon Gupta <pekon@ti.com> --- drivers/mtd/nand/omap2.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)