On 08/31/2012 11:05 AM, Roland Stigge wrote:
> I tried to port this on top of Sascha's patches for imx53, only for mxc v3
> for now, as below.
>
> Unfortunately, I still get:
>
> ...
> UnCorrectable RS-ECC Error
> UnCorrectable RS-ECC Error
> UnCorrectable RS-ECC Error
> UnCorrectable RS-ECC Error
> UnCorrectable RS-ECC Error
> ...
>
> from mxc_nand.c's mxc_nand_correct_data_v2_v3(). Maybe there's still sth.
> missing in the
> error correction code?
With the below incremental fix, it works. :-)
Thanks,
Roland
PS: Will you prepare a patch for l2-mtd.git? I only have an imx53, can't test
the v1/v2 etc.
configs.
--- linux-2.6.orig/drivers/mtd/nand/mxc_nand.c
+++ linux-2.6/drivers/mtd/nand/mxc_nand.c
@@ -1141,14 +1141,14 @@ static void mxc_nand_command(struct mtd_
host->devtype_data->send_cmd(host, command, true);
mxc_do_addr_cycle(mtd, column, page_addr);
host->devtype_data->send_read_id(host);
- host->buf_start = column;
+ host->buf_start = 0;
break;
case NAND_CMD_PARAM:
host->devtype_data->send_cmd(host, command, true);
mxc_do_addr_cycle(mtd, column, page_addr);
host->devtype_data->send_read_param(host);
- host->buf_start = column;
+ host->buf_start = 0;
break;
case NAND_CMD_ERASE1:
--
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