[RFC PATCH] [MTD] [OneNAND] Cache Read support

Kyungmin Park kyungmin.park at samsung.com
Wed Aug 1 03:09:22 EDT 2007


 
> ext Kyungmin Park wrote:
> > This patch supports the Cache Read feature in OneNAND.
> > It's similar with read-while-loading except while read it does sensing the page buffer in NAND
> core.
> > So it's called Transfer-While-Sensing. you can find it in OneNAND Spec. in detail.
> >
> > Now there's no big performance gain in our test board, Apollon(OMAP2). But others are maybe
> different.
> >
> > Any comments are welcome.
> 
> Cool!
> 
> Presume you have run the NAND tests

Sure, it passed NAND tests.

Could you review the code?
I wonder why there's no performance gain. It's faster than read-while-loading in the Spec.
Software overhead? Or there's not many 2 or more pages read?

Thank you,
Kyungmin Park




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