Re: enhance ONFI table reliability/stable

2015-11-21 Thread Brian Norris
On Sat, Nov 21, 2015 at 08:46:04AM +0100, Boris Brezillon wrote: > This being said, I don't know how you would change the ONFI spec and > keep it compatible with the previous version. As I said, the current > version of the spec does not reserve any area after the mandatory > parameter pages... > Y

Re: enhance ONFI table reliability/stable

2015-11-20 Thread Boris Brezillon
On Fri, 20 Nov 2015 15:59:27 -0800 Brian Norris wrote: > On Thu, Nov 19, 2015 at 04:21:01AM +, Bean Huo 霍斌斌 (beanhuo) wrote: > > > On Tue, Jul 21, 2015 at 02:42:34PM +, Bean Huo 霍斌斌 (beanhuo) > > > wrote: > > > > Hi, > > > > > > > > Recently, I faced some case about ONFI table reliability

Re: enhance ONFI table reliability/stable

2015-11-20 Thread Brian Norris
On Thu, Nov 19, 2015 at 04:21:01AM +, Bean Huo 霍斌斌 (beanhuo) wrote: > > On Tue, Jul 21, 2015 at 02:42:34PM +, Bean Huo 霍斌斌 (beanhuo) > > wrote: > > > Hi, > > > > > > Recently, I faced some case about ONFI table reliability, now it used CRC. > > > If there is bit flips in ONFI parameter page

RE: enhance ONFI table reliability/stable

2015-11-18 Thread beanhuo
> > Hi Bean, > > I was sorting through old email and I found this. > > On Tue, Jul 21, 2015 at 02:42:34PM +, Bean Huo 霍斌斌 (beanhuo) > wrote: > > Hi, > > > > Recently, I faced some case about ONFI table reliability, now it used CRC. > > If there is bit flips in ONFI parameter pages, parameter

Re: enhance ONFI table reliability/stable

2015-11-17 Thread Brian Norris
Hi Bean, I was sorting through old email and I found this. On Tue, Jul 21, 2015 at 02:42:34PM +, Bean Huo 霍斌斌 (beanhuo) wrote: > Hi, > > Recently, I faced some case about ONFI table reliability, now it used CRC. > If there is bit flips in ONFI parameter pages, parameter backup page will be

enhance ONFI table reliability/stable

2015-07-21 Thread beanhuo
Hi, Recently, I faced some case about ONFI table reliability, now it used CRC. If there is bit flips in ONFI parameter pages, parameter backup page will be taken. For latest linux,default read three copys. chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1); for (i = 0; i < 3; i++) {