From: Markos Chandras <markos.chandras@imgtec.com>
Date: Mon, 23 Mar 2015 12:32:03 +0000 (+0000)
Subject: MIPS: Malta: malta-time: Ensure GIC counter is running
X-Git-Tag: firefly_0821_release~176^2~1944^2~188
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=be37a9900b0470fc424fe3382a414eabf759a8ac;p=firefly-linux-kernel-4.4.55.git

MIPS: Malta: malta-time: Ensure GIC counter is running

Start the GIC counter before we try to determine its frequency.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9596/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index 7d4b86571564..185e68261f45 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -87,8 +87,10 @@ static void __init estimate_frequencies(void)
 
 	/* Initialize counters. */
 	start = read_c0_count();
-	if (gic_present)
+	if (gic_present) {
+		gic_start_count();
 		gicstart = gic_read_count();
+	}
 
 	/* Read counter exactly on falling edge of update flag. */
 	while (CMOS_READ(RTC_REG_A) & RTC_UIP);