[flashrom] [PATCH] Faster Dediprog writes

[Carl-Daniel Hailfinger]

On 23.11.2010 08:30, Mathias Krause wrote:
> On 23.11.2010 00:54, Carl-Daniel Hailfinger wrote:
>   
>> On 18.11.2010 16:37, Richard Smith wrote:
>>     
>>> On Wed, Nov 17, 2010 at 11:53 PM, Carl-Daniel Hailfinger
>>> <c-d.hailfinger.devel.2006 at gmx.net> wrote:
>>>   
>>>       
>>>> Please note that the write speedup only applies to chips which have SPI
>>>> page write (i.e. chips using spi_chip_write_256).
>>>>
>>>> Tests appreciated.
>>>>
>>>> Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
>>>>     
>>>>         
>>> I had to tweak the   if (writecnt > 5) {} clause to allow for the
>>> larger size but other than that this Works For Me. It drops the
>>> program time on my 128k part to 30 seconds.  Thats quite a bit better
>>> than the 20 minutes it used to take.
>>>
>>> I also verified that chunk sizes larger than 12 fail but I didn't try
>>> any values between 1 and 12.
>>>   
>>>       
>> Thanks for testing! New patch follows. If I get an ack, I'll commit.
>>
>> Add chunked write ability to the Dediprog SF100 driver.
>>
>> Please note that the write speedup only applies to chips which have SPI
>> page write (i.e. chips using spi_chip_write_256).
>>
>> This is a quick fix for write speed until I get around to implementing
>> full bulk SPI write support.
>>
>> Tests appreciated.
>>
>> Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
>>
>>     
>
> Acked-by: Mathias Krause <mathias.krause at secunet.com>
>   

Thanks, committed in r1235.

Regards,
Carl-Daniel

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