Re: [RFC PATCH 1/9] mtd: nand: retrieve ECC requirements from HynixREAD ID byte 4

Date: Wed Feb 05 2014 - 08:54:28 EST

Hello Brian,

On 23/01/2014 02:49, Brian Norris wrote:
+ Huang

Hi Boris,

On Wed, Jan 08, 2014 at 03:21:56PM +0100, Boris BREZILLON wrote:
The Hynix nand flashes store their ECC requirements in byte 4 of its id
(returned on READ ID command).

Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx>
I haven't verified yet (perhaps Huang can confirm?), but this may be
similar to a patch Huang submitted recently. In his case, we found that
this table is actually quite unreliable and is likely hard to maintain.

Indeed (as stated in this thread
I'll remove this patch from the next version of this series and make use of the
nand-ecc-strength /nand-ecc-size DT properties instead.


Best Regards,


Why do you need this ECC information, for my reference?


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