From 76708ab83962732ba3191ce8a61d8410406c8358 Mon Sep 17 00:00:00 2001
From: Leo Chen <leochen@broadcom.com>
Date: Thu, 1 Apr 2010 19:13:19 +0100
Subject: [PATCH] ARM: 6024/1: bcmring: fix missing down on semaphore in dma.c

Added missing down on the memMap->lock semaphore. Also fixed a return
statement so that we always exit with an up (i.e. early exit via return
is not allowed)

Signed-off-by: Leo Hao Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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