[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>

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 5c090c9442f5..e38d23770992 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 */