Hi,
I was using the following ecc layout which is not working to mount the jffs2 File-system. I was using this in 2.6.32 kernel and was working; but same layout is not working with latest 2.6 kernel.
Observation is that - no read request issued to the driver (say omap2.c).
# mount -t jffs2 /dev/mtdblock4 /mnt/nand
[ 32.505218] cannot read OOB for EB at 00000000, requested 8 bytes, read 0 bytes, error -22
mount: Mounting /dev/mtdblock4 on /mnt/nand failed: Input/output error
# dmesg
<3>[ 32.505218] cannot read OOB for EB at 00000000, requested 8 bytes, read 0 bytes, error -22
Code:
178 static struct nand_ecclayout hw_x16_romcode_oob_64 = {
179 .eccbytes = 12,
180 .eccpos = {
181 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
182 },
183 .oobfree = {
184 {.offset = 14,
185 .length = 50}
186 }
187 };
1188 info->nand.ecc.layout = &hw_x16_romcode_oob_64;
Regards,
Ghorai
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