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List:       linux-kernel
Subject:    Re: [PATCH] quiet non-x86 option ROM warnings
From:       Jon Smirl <jonsmirl () gmail ! com>
Date:       2005-02-18 16:50:29
Message-ID: 9e47339105021808507f778021 () mail ! gmail ! com
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On Fri, 18 Feb 2005 13:09:14 +0100, Gabriel Paubert <paubert@iram.es> wrote:
> For example if it declares 128k, compare the two halves, reduce
> to 64k if equal. Lather, rinse, repeat.
> 
> It's equivalent to reading the BAR declared size twice in
> the worst case, so it's not that bad performance-wise.
> 
> That would only be in the case of an unknown signature
> in the first bytes, otherwise the third byte gives you
> the size IIUC.

The third byte size is wrong in too many cards to be useful. I have
always found the size in the PCIR header to be accurate.

> 
>         Gabriel
> 


-- 
Jon Smirl
jonsmirl@gmail.com
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