NAND trouble (was Re: introduce-gta02-pm-wlan.patch)
andy at openmoko.com
Sat Nov 1 02:53:18 CET 2008
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Somebody in the thread at some point said:
| I wrote:
|> Hmm, my wild guess would be that the introduction of read_subpage in
|> the NAND layer somehow caused this.
| I've been poking around this a bit more. The problem seems to be that
| NAND_CMD_RNDOUT sometimes doesn't produce quite the right data.
| It looks as if this may be linked to the offset not being a multiple
| of four, but I need to gather a bit more data to confirm this pattern.
| A quick work-around is to always set "gaps" in nand_read_subpage.
| That way, it always reads the whole OOB data.
If your further checking doesn't invalidate it, and if you don't track
the underlying thing in the meanwhile please post the gaps band-aid, and
we'll have that until something better comes.
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