From: Stefano Brivio <stefano.brivio@polimi.it>
Date: Fri, 8 Feb 2008 05:31:53 +0000 (+0100)
Subject: b43legacy: fix DMA for 30/32-bit DMA engines
X-Git-Tag: v2.6.25-rc3~126^2~25^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e118f0ed866afab654a438b85643d4f1472f28b;p=pandora-kernel.git

b43legacy: fix DMA for 30/32-bit DMA engines

This checks if the DMA address is bigger than what the controller can manage.
It will reallocate the buffers in the GFP_DMA zone in that case.

The patch by Michael Buesch has been ported to b43legacy.
Thanks to Matti Viljanen for reporting this.

Cc: Matti Viljanen <viljanen.matti@gmail.com>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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