From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 12 Jan 2015 17:55:58 +0000 (-0700)
Subject: staging: comedi: pcl818: remove VIRT_TO_BUS dependancy
X-Git-Tag: fixes-v4.0-rc1~99^2~418
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a37b7a7556fe6b4108ad7cea25a484b87d11ee9;p=pandora-kernel.git

staging: comedi: pcl818: remove VIRT_TO_BUS dependancy

Use dma_{alloc,free}_coherent() to allocate and free the DMA buffers.
This removes the dependancy on VIRT_TO_BUS.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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