From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Fri, 5 Oct 2012 00:15:57 +0000 (-0700)
Subject: rapidio: add inbound memory mapping interface
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~12^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da1589f07393e88e917c317ea0c85ea37918a1cf;p=pandora-kernel.git

rapidio: add inbound memory mapping interface

Add common inbound memory mapping/unmapping interface. This allows to make
local memory space accessible from the RapidIO side using hardware mapping
capabilities of RapidIO bridging devices. The new interface is intended to
enable data transfers between RapidIO devices in combination with DMA engine
support.

This patch is based on patch submitted by Li Yang <leoli@freescale.com>
(https://lists.ozlabs.org/pipermail/linuxppc-dev/2009-April/071210.html)

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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