linux-kernel - [PATCH v4 3/7] clocksource: mips-gic: Split clocksource and clockevent initialization

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Message-ID: <1438005618-27003-4-git-send-email-govindraj.raja@imgtec.com>
Date:	Mon, 27 Jul 2015 15:00:14 +0100
From:	Govindraj Raja <govindraj.raja@...tec.com>
To:	<linux-kernel@...r.kernel.org>, <linux-mips@...ux-mips.org>,
	"Daniel Lezcano" <daniel.lezcano@...aro.org>,
	<devicetree@...r.kernel.org>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Bresticker <abrestic@...omium.org>,
	James Hartley <James.Hartley@...tec.com>,
	"Govindraj Raja" <Govindraj.Raja@...tec.com>,
	Damien Horsley <Damien.Horsley@...tec.com>,
	James Hogan <James.Hogan@...tec.com>,
	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Ezequiel Garcia <ezequiel.garcia@...tec.com>
Subject: [PATCH v4 3/7] clocksource: mips-gic: Split clocksource and clockevent initialization

From: Ezequiel Garcia <ezequiel.garcia@...tec.com>

This is preparation work for the introduction of clockevent frequency
update with a clock notifier. This is only possible when the device
is passed a clk struct, so let's split the legacy and devicetree
initialization.

Reviewed-by: Andrew Bresticker <abrestic@...omium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...tec.com>
---
 drivers/clocksource/mips-gic-timer.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index c4352f0..22a4daf 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -142,11 +142,6 @@ static void __init __gic_clocksource_init(void)
 	ret = clocksource_register_hz(&gic_clocksource, gic_frequency);
 	if (ret < 0)
 		pr_warn("GIC: Unable to register clocksource\n");
-
-	gic_clockevent_init();
-
-	/* And finally start the counter */
-	gic_start_count();
 }
 
 void __init gic_clocksource_init(unsigned int frequency)
@@ -156,6 +151,10 @@ void __init gic_clocksource_init(unsigned int frequency)
 		GIC_LOCAL_TO_HWIRQ(GIC_LOCAL_INT_COMPARE);
 
 	__gic_clocksource_init();
+	gic_clockevent_init();
+
+	/* And finally start the counter */
+	gic_start_count();
 }
 
 static void __init gic_clocksource_of_init(struct device_node *node)
@@ -187,6 +186,10 @@ static void __init gic_clocksource_of_init(struct device_node *node)
 	}
 
 	__gic_clocksource_init();
+	gic_clockevent_init();
+
+	/* And finally start the counter */
+	gic_start_count();
 }
 CLOCKSOURCE_OF_DECLARE(mips_gic_timer, "mti,gic-timer",
 		       gic_clocksource_of_init);
-- 
1.9.1

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