RE: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-15 Thread Caizhiyong
> Wanglin (Albert); David Woodhouse > Subject: Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize > NAND > > On Mon, Dec 16, 2013 at 02:03:54AM +, Caizhiyong wrote: > > > > > > > > There are a lot of 16K page size NAND, they are used in

Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-15 Thread Huang Shijie
On Mon, Dec 16, 2013 at 02:03:54AM +, Caizhiyong wrote: > > > > > > There are a lot of 16K page size NAND, they are used in android system. > > > > > > Many NAND need read retry and data randomization, kernel does not support > > > this > > feature. > > Brian is adding the read-retry feature.

RE: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-15 Thread Caizhiyong
> > > > There are a lot of 16K page size NAND, they are used in android system. > > > > Many NAND need read retry and data randomization, kernel does not support > > this > feature. > Brian is adding the read-retry feature. > > I think the data randomization should be done by the hardware. > If w

Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-13 Thread Huang Shijie
On Fri, Dec 13, 2013 at 11:10:10AM +, Caizhiyong wrote: > > There are a lot of 16K page size NAND, they are used in android system. > > Many NAND need read retry and data randomization, kernel does not support > this feature. Brian is adding the read-retry feature. I think the data randomiz

RE: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-13 Thread Caizhiyong
> On Fri, Dec 13, 2013 at 05:03:49AM +, Caizhiyong wrote: > > From: Cai Zhiyong > > Date: Fri, 13 Dec 2013 12:52:46 +0800 > > Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize > > NAND. > > > > The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes. > > So

Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-13 Thread Brian Norris
On Fri, Dec 13, 2013 at 03:27:12PM +0800, Huang Shijie wrote: > On Fri, Dec 13, 2013 at 05:03:49AM +, Caizhiyong wrote: > > --- a/include/linux/mtd/nand.h > > +++ b/include/linux/mtd/nand.h > > @@ -56,8 +56,8 @@ extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, > > uint64_t len); > >

Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-13 Thread Brian Norris
On Fri, Dec 13, 2013 at 05:03:49AM +, Caizhiyong wrote: > From: Cai Zhiyong > Date: Fri, 13 Dec 2013 12:52:46 +0800 > Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND. > > The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes. > So increase the NAND_

Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-12 Thread Huang Shijie
On Fri, Dec 13, 2013 at 05:03:49AM +, Caizhiyong wrote: > From: Cai Zhiyong > Date: Fri, 13 Dec 2013 12:52:46 +0800 > Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND. > > The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes. > So increase the NAND_

Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

2013-12-12 Thread Brian Norris
On Fri, Dec 13, 2013 at 05:01:56AM +, Caizhiyong wrote: > The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes. > So increase the NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE. > > Signed-off-by: Huang Shijie > Signed-off-by: Artem Bityutskiy > Signed-off-by: David Woodhouse Huh? I