Re: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-29 Thread Han Xu
On Thu, Oct 29, 2015 at 04:34:37AM +, Bean Huo 霍斌斌 (beanhuo) wrote: > > > > By default NAND driver will choose the highest ecc strength that oob > > > > could contain, in this case, for some 8K+744 NAND flash, the ecc > > > > strength will be up to 52bit, which beyonds the i.MX6QDL BCH

Re: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-29 Thread Han Xu
On Thu, Oct 29, 2015 at 04:34:37AM +, Bean Huo 霍斌斌 (beanhuo) wrote: > > > > By default NAND driver will choose the highest ecc strength that oob > > > > could contain, in this case, for some 8K+744 NAND flash, the ecc > > > > strength will be up to 52bit, which beyonds the i.MX6QDL BCH

RE: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-28 Thread beanhuo
> > > By default NAND driver will choose the highest ecc strength that oob > > > could contain, in this case, for some 8K+744 NAND flash, the ecc > > > strength will be up to 52bit, which beyonds the i.MX6QDL BCH capability > (40bit). > > > > > > For normal working environment, if hardware BCH ECC

Re: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-28 Thread Han Xu
On Wed, Oct 28, 2015 at 01:42:33PM +, Bean Huo 霍斌斌 (beanhuo) wrote: > > By default NAND driver will choose the highest ecc strength that oob could > > contain, in this case, for some 8K+744 NAND flash, the ecc strength will be > > up > > to 52bit, which beyonds the i.MX6QDL BCH capability

RE: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc for 744 oobsize NAND

2015-10-28 Thread beanhuo
> By default NAND driver will choose the highest ecc strength that oob could > contain, in this case, for some 8K+744 NAND flash, the ecc strength will be up > to 52bit, which beyonds the i.MX6QDL BCH capability (40bit). For normal working environment, if hardware BCH ECC cannot meet NAND ecc

RE: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-28 Thread beanhuo
> By default NAND driver will choose the highest ecc strength that oob could > contain, in this case, for some 8K+744 NAND flash, the ecc strength will be up > to 52bit, which beyonds the i.MX6QDL BCH capability (40bit). For normal working environment, if hardware BCH ECC cannot meet NAND ecc

RE: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc for 744 oobsize NAND

2015-10-28 Thread beanhuo
> By default NAND driver will choose the highest ecc strength that oob could > contain, in this case, for some 8K+744 NAND flash, the ecc strength will be up > to 52bit, which beyonds the i.MX6QDL BCH capability (40bit). For normal working environment, if hardware BCH ECC cannot meet NAND ecc

RE: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-28 Thread beanhuo
> By default NAND driver will choose the highest ecc strength that oob could > contain, in this case, for some 8K+744 NAND flash, the ecc strength will be up > to 52bit, which beyonds the i.MX6QDL BCH capability (40bit). For normal working environment, if hardware BCH ECC cannot meet NAND ecc

Re: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-28 Thread Han Xu
On Wed, Oct 28, 2015 at 01:42:33PM +, Bean Huo 霍斌斌 (beanhuo) wrote: > > By default NAND driver will choose the highest ecc strength that oob could > > contain, in this case, for some 8K+744 NAND flash, the ecc strength will be > > up > > to 52bit, which beyonds the i.MX6QDL BCH capability

RE: [PATCH v7 4/7] mtd: nand: gpmi: may use minimum required ecc

2015-10-28 Thread beanhuo
> > > By default NAND driver will choose the highest ecc strength that oob > > > could contain, in this case, for some 8K+744 NAND flash, the ecc > > > strength will be up to 52bit, which beyonds the i.MX6QDL BCH capability > (40bit). > > > > > > For normal working environment, if hardware BCH ECC