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From: Markos Chandras <markos.chandras@imgtec.com>
To: <linux-mips@linux-mips.org>
Cc: Markos Chandras <markos.chandras@imgtec.com>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH 3/3] MIPS: Malta: malta-time: Ensure GIC counter is running
Date: Mon, 23 Mar 2015 12:32:03 +0000	[thread overview]
Message-ID: <1427113923-9840-4-git-send-email-markos.chandras@imgtec.com> (raw)
In-Reply-To: <1427113923-9840-1-git-send-email-markos.chandras@imgtec.com>

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

Cc: <linux-kernel@vger.kernel.org>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
---
 arch/mips/mti-malta/malta-time.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index ce02dbdedc62..128a74bd7cea 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);
-- 
2.3.3


      parent reply	other threads:[~2015-03-23 12:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-23 12:32 [PATCH 0/3] GIC counter fixes Markos Chandras
2015-03-23 12:32 ` [PATCH 1/3] irqchip: irq-mips-gic: Add new functions to start/stop the GIC counter Markos Chandras
2015-03-29 20:39   ` Jason Cooper
2015-03-23 12:32 ` [PATCH 2/3] clocksource: mips-gic-timer: Ensure GIC counter is running Markos Chandras
2015-03-26  9:52   ` Daniel Lezcano
2015-03-23 12:32 ` Markos Chandras [this message]

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