msm: dcvs: hide -13 errors when communicating with the secure side.

-13 errors from the secure side are benign, dont print an error when
that happens.

Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org>
(cherry picked from commit 3cb914d56d65b9ad1dea8d186f74d3a1bc760769)

Signed-off-by: Ram Kumar Chakravarthy Chebathini <rcheba@codeaurora.org>
(cherry picked from commit dee3d749bbf60315080a2fb455bf8b2bd0640f36)

Change-Id: Id22bad3f3ee88e4292b3155014e43aa043a5df12
Signed-off-by: Sudhir Sharma <sudsha@codeaurora.org>
diff --git a/arch/arm/mach-msm/msm_dcvs.c b/arch/arm/mach-msm/msm_dcvs.c
index 0505d44..d1cdaeb 100644
--- a/arch/arm/mach-msm/msm_dcvs.c
+++ b/arch/arm/mach-msm/msm_dcvs.c
@@ -302,7 +302,10 @@
 	ret = msm_dcvs_scm_event(core->handle, event, param0,
 				core->actual_freq, &new_freq, ret1);
 	if (ret) {
-		__err("Error (%d) sending SCM event %d for core %s\n",
+		if (ret == -13)
+			ret = 0;
+		else
+			__err("Error (%d) sending SCM event %d for core %s\n",
 				ret, event, core->core_name);
 		goto freq_done;
 	}