msm: scm-pas: Don't ignore bw requests when dfab clock exists

The check should be checking for not having a dfab clock. Fix it
so bandwidth requests work.

Change-Id: Ibfeb6fe581908e033664e05fa848b81632ccb672
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/arch/arm/mach-msm/scm-pas.c b/arch/arm/mach-msm/scm-pas.c
index 0a9b27c..747b585 100644
--- a/arch/arm/mach-msm/scm-pas.c
+++ b/arch/arm/mach-msm/scm-pas.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -94,7 +94,7 @@
 {
 	int ret = 0;
 
-	if (!scm_perf_client || scm_bus_clk)
+	if (!scm_perf_client || !scm_bus_clk)
 		return -EINVAL;
 
 	mutex_lock(&scm_pas_bw_mutex);