[flashrom] [PATCH] 3x speedup for Bus Pirate, violate protocol

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Thu Jul 29 17:56:26 CEST 2010

On 29.07.2010 17:51, Daniel Flinkmann wrote:
> I am not sure if I am the right person to ack it, but the patch worked fine.

In that case you're the right person to ack it.

> Am 29.07.2010 um 17:28 schrieb Carl-Daniel Hailfinger:
>> On 16.06.2010 16:58, Carl-Daniel Hailfinger wrote:
>>> If we violate the raw SPI communication protocol requirements of the Bus
>>> Pirate (namely, waiting for the completion of one command before sending
>>> the next one), we can reduce the number of round trips by a factor of 3.
>>> The FT2232 chip present in the Bus Pirate has a big enough buffer (at
>>> least 128 bytes IIRC) to avoid overflows in the tiny buffer of the Bus
>>> Pirate PIC.
>>> Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
>> Tested-by: Daniel Flinkmann <DFlinkmann at gmx.de>



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