linux-kernel - [PATCH 1/2] clocksource/drivers/moxart: Replace setup_irq by request

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Date:   Thu,  8 Sep 2016 15:58:09 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     joel@....id.au
Cc:     tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] clocksource/drivers/moxart: Replace setup_irq by request_irq

Save memory space and line of code by replacing setup_irq by request_irq.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/clocksource/moxart_timer.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/clocksource/moxart_timer.c b/drivers/clocksource/moxart_timer.c
index ad2bead9..cba25b7 100644
--- a/drivers/clocksource/moxart_timer.c
+++ b/drivers/clocksource/moxart_timer.c
@@ -79,7 +79,6 @@ struct moxart_timer {
 	unsigned int t1_enable_val;
 	unsigned int count_per_tick;
 	struct clock_event_device clkevt;
-	struct irqaction act;
 };
 
 static inline struct moxart_timer *to_moxart(struct clock_event_device *evt)
@@ -201,10 +200,6 @@ static int __init moxart_timer_init(struct device_node *node)
 	timer->clkevt.set_next_event = moxart_clkevt_next_event;
 	timer->clkevt.cpumask = cpumask_of(0);
 	timer->clkevt.irq = irq;
-	timer->act.name = node->name;
-	timer->act.flags = IRQF_TIMER;
-	timer->act.handler = moxart_timer_interrupt;
-	timer->act.dev_id = &timer->clkevt;
 
 	ret = clocksource_mmio_init(timer->base + TIMER2_BASE + REG_COUNT,
 				    "moxart_timer", pclk, 200, 32,
@@ -214,7 +209,8 @@ static int __init moxart_timer_init(struct device_node *node)
 		return ret;
 	}
 
-	ret = setup_irq(irq, &timer->act);
+	ret = request_irq(irq, moxart_timer_interrupt, IRQF_TIMER,
+			  node->name, &timer->clkevt);
 	if (ret) {
 		pr_err("%s: setup_irq failed\n", node->full_name);
 		return ret;
-- 
1.9.1