From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Fri, 25 May 2012 10:32:45 +0000 (+0100)
Subject: dmaengine: PL08x: track mux usage on a per-channel basis.
X-Git-Tag: v3.6-rc1~13^2^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e2479bd0e0dc41f2b9f6b4345bc5d4557837056;p=pandora-kernel.git

dmaengine: PL08x: track mux usage on a per-channel basis.

Keep track of the number of descriptors currently using a MUX setting
on a per-channel basis.  This allows us to know when we have descriptors
queued somewhere which have been assigned a DMA request signal.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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