From 9dc2c200a0551754f91e1b322dcb3d782cd709b2 Mon Sep 17 00:00:00 2001
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
Date: Mon, 3 Jan 2011 22:33:06 +0000
Subject: [PATCH] ARM: PL08x: add comment explaining the flow control methods

Explain the two flow control methods which the PL08x implements, along
with the problem which peripheral flow control presents.  This helps
people understand why we are unable to use these DMA controllers with
(eg) the MMCI.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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