tree 562364b18b16c98a7809ebce7be6b0d20c32eaec
parent d68ab68066805fdfee1f5f29ec2ec0179fd92fe1
author Stefano Brivio <stefano.brivio@polimi.it> 1202448713 +0100
committer John W. Linville <linville@tuxdriver.com> 1203101058 -0500

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>