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Re: [PATCH] ssb: Convert to use crc8 code in kernel library

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On 10/09/2011 10:48 AM, Rafał Miłecki wrote:

> Agree. I already tried converting bcma to use crc8:
> [RFC][WORTH IT?][PATCH] bcma: make use of crc8 lib
> http://lists.infradead.org/pipermail/b43-dev/2011-June/001466.html
> 
> But resigned, it was introducing some hacks or not optimal ops, I
> decided it's not worth it.
> 
> Even Arend said their brcm80211 is hacky about crc8 usage:
> 
> W dniu 15 czerwca 2011 21:26 użytkownik Arend van Spriel
> <arend@xxxxxxxxxxxx> napisał:
>> Agree. In brcm80211 we convert the entire sprom, calculate, and convert it
>> back. Also not perfect I think as it loops over de sprom data twice.
> 

Hi Rafał,

"not perfect" == "hacky" ;-)

I also just replied with a less hacky approach. Reading the sprom as
bytes will read the sprom content as is (little-endian) and you can do
the crc8 check without any conversions. After the check there is only
one conversion needed to move to a word array.

Gr. AvS
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