From 1817dc0370873caff77b924b53ae489edaf9b1e2 Mon Sep 17 00:00:00 2001
From: "Voss, Nikolaus" <N.Voss@weinmann.de>
Date: Tue, 25 Jan 2011 15:07:29 -0800
Subject: drivers/clocksource/tcb_clksrc.c: fix init sequence

setup_irq() was called before clockevents_register_device() which is
needed by the irq handler.  Bug was reproducible by restarting the
kernel using kexec (reliable crash).

Signed-off-by: Nikolaus Voss <n.voss@weinmann.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/clocksource/tcb_clksrc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'drivers/clocksource')

diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c
index 01b886e68822..79c47e88d5d1 100644
--- a/drivers/clocksource/tcb_clksrc.c
+++ b/drivers/clocksource/tcb_clksrc.c
@@ -196,9 +196,9 @@ static void __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)
 	clkevt.clkevt.min_delta_ns = clockevent_delta2ns(1, &clkevt.clkevt) + 1;
 	clkevt.clkevt.cpumask = cpumask_of(0);
 
-	setup_irq(irq, &tc_irqaction);
-
 	clockevents_register_device(&clkevt.clkevt);
+
+	setup_irq(irq, &tc_irqaction);
 }
 
 #else /* !CONFIG_GENERIC_CLOCKEVENTS */
-- 
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