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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-02-01 21:27:02 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-02-04 13:14:07 +0000
commit66a2c077c36ee5c56e77ba3757702c4464011da6 (patch)
tree7a6d3f59e540f26f866fe7ed38ad01a01311a1a4 /arch/arm/mach-at91/at91sam926x_time.c
parent2f65baff3ab546d011b0e3f944eccd1ec5816d5d (diff)
[ARM] xtime_seqlock: fix more ARM machines for xtime deadlocking
move update_process_times() out from under xtime_lock. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/at91sam926x_time.c')
-rw-r--r--arch/arm/mach-at91/at91sam926x_time.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index 5c090c9442f..e38d2377099 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -49,8 +49,6 @@ static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id)
volatile long nr_ticks;
if (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS) { /* This is a shared interrupt */
- write_seqlock(&xtime_lock);
-
/* Get number to ticks performed before interrupt and clear PIT interrupt */
nr_ticks = PIT_PICNT(at91_sys_read(AT91_PIT_PIVR));
do {
@@ -58,7 +56,6 @@ static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id)
nr_ticks--;
} while (nr_ticks);
- write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
} else
return IRQ_NONE; /* not handled */