[U-Boot] nand potential div0

[Wolfgang Denk]

Dear "Ryan J M",

In message <dcf6addc0812301719m4af2fcd3teeca516e62681dc4 at mail.gmail.com> you wrote:
> I thought it would be better to check whether chip->ecc.size equal 0
> here, I forgot to set ecc.size in board_nand_init() and it trigs a
> div0 hang.
> 
> driver/mtd/nand/nand_base.c
>    2786         /*
>    2787          * Set the number of read / write steps for one page
> depending on ECC
>    2788          * mode
>    2789          */
>    2790         chip->ecc.steps = mtd->writesize / chip->ecc.size;
>    2791         if(chip->ecc.steps * chip->ecc.size != mtd->writesize) {
>    2792                 printk(KERN_WARNING "Invalid ecc parameters\n");
>    2793                 BUG();
>    2794         }
>    2795         chip->ecc.total = chip->ecc.steps * chip->ecc.bytes;
>    2796

Please submit a proper patch - see
http://www.denx.de/wiki/U-Boot/Patches for instructions.

Best regards,

Wolfgang Denk

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