[PATCH][RFC] NAND subpage read feature. Take 2.

Alexey Korolev akorolev at infradead.org
Wed May 14 13:13:50 EDT 2008


Hi Hamish,

> On Wed, Apr 30, 2008 at 01:13:24PM +0100, Alexey Korolev wrote:
> > This patch enables NAND subpage read functionality. 
> [..]
> > As I know some of you already use this feature. I would be much
> > appreciate if you give me some performance numbers. It may assist to get this
> > feature included. 
> 
> To attach my 512Mb NAND with UBI, with software NAND controller
> (plat_nand), on a 533MHz IXP4xx, I measure:
> 
> No partial reads: 5.75 seconds
> Previous partial read patch: 2.72 seconds
> New subpage read patch: 2.42 seconds
>
Oh nice digits. Thank you very much for you asistance and for the data. 
I will add it to patch description. 

Alexey
 



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