The registers on the device are already accessed with readl/writel and the readchunk and writechunk are mapped into coherent DMA region. The contents of those buffers should not be changing in the middle of any transmit/receive prep call. Signed-off-by: Shaun Ruffell <sruffell@digium.com> Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com> Origin: http://svnview.digium.com/svn/dahdi?view=rev&rev=9400 git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/branches/2.4@9671 a0bf4364-ded3-4de4-8d8a-66a801d63aff