[flashrom] [PATCH] Nvidia MCP SPI speedup
uwe at hermann-uwe.de
Mon Sep 13 18:52:43 CEST 2010
On Tue, Aug 03, 2010 at 03:55:19PM +0100, Andrew Morgan wrote:
> Read times before patch:
> real 1m47.500s
> user 1m47.190s
> sys 0m0.130s
> Read times after patch:
> real 0m51.714s
> user 0m51.370s
> sys 0m0.150s
> The data read before and after the patch was identical.
> Log attached.
> Tested-by: Andrew Morgan <ziltro at ziltro.com>
> On 03/08/2010 15:27, Carl-Daniel Hailfinger wrote:
> >Use caching for Nvidia MCP SPI GPIO accesses.
> >Reduce clock delay to zero.
> >Should result in a 2x speedup, maybe more.
> >Signed-off-by: Carl-Daniel Hailfinger<c-d.hailfinger.devel.2006 at gmx.net>
Acked-by: Uwe Hermann <uwe at hermann-uwe.de>
Compile-tested and reviewed, looks good to me. Hardware-test was done by
Andrew already, see above.
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