linux-kernel - [PATCH 16/19] clocksource: mips-gic: Use percpu_dev

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Date:	Mon, 20 Oct 2014 12:04:03 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Ralf Baechle <ralf@...ux-mips.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Cc:	Andrew Bresticker <abrestic@...omium.org>,
	Paul Burton <paul.burton@...tec.com>,
	Qais Yousef <qais.yousef@...tec.com>,
	John Crispin <blogic@...nwrt.org>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 16/19] clocksource: mips-gic: Use percpu_dev_id

Since the GIC timer IRQ is a percpu IRQ, we can use percpu_dev_id
to pass the IRQ handler the correct clock_event_device.

Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
---
 drivers/clocksource/mips-gic-timer.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index 763aa1c..05bdfe1 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -39,17 +39,16 @@ static void gic_set_clock_mode(enum clock_event_mode mode,
 
 static irqreturn_t gic_compare_interrupt(int irq, void *dev_id)
 {
-	struct clock_event_device *cd;
-	int cpu = smp_processor_id();
+	struct clock_event_device *cd = dev_id;
 
 	gic_write_compare(gic_read_compare());
-	cd = &per_cpu(gic_clockevent_device, cpu);
 	cd->event_handler(cd);
 	return IRQ_HANDLED;
 }
 
 struct irqaction gic_compare_irqaction = {
 	.handler = gic_compare_interrupt,
+	.percpu_dev_id = &gic_clockevent_device,
 	.flags = IRQF_PERCPU | IRQF_TIMER,
 	.name = "timer",
 };
-- 
2.1.0.rc2.206.gedb03e5

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