[PATCH v2 4/9] clocksource/cadence_ttc: Use enable/disable_irq

[Soren Brinkmann <soren.brinkmann@xilinx.com>]

To ensure that the timer interrupt is properly enabled/disabled across
the whole CPU cluster use enable/disable_irq() instead of
local_irq_disable().

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
---
 drivers/clocksource/cadence_ttc_timer.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c
index a92350b55d32..246d018d1e63 100644
--- a/drivers/clocksource/cadence_ttc_timer.c
+++ b/drivers/clocksource/cadence_ttc_timer.c
@@ -322,18 +322,16 @@ static int ttc_rate_change_clockevent_cb(struct notifier_block *nb,
 	switch (event) {
 	case POST_RATE_CHANGE:
 	{
-		unsigned long flags;
-
 		/*
 		 * clockevents_update_freq should be called with IRQ disabled on
 		 * the CPU the timer provides events for. The timer we use is
 		 * common to both CPUs, not sure if we need to run on both
 		 * cores.
 		 */
-		local_irq_save(flags);
+		disable_irq(ttcce->ce.irq);
 		clockevents_update_freq(&ttcce->ce,
 				ndata->new_rate / PRESCALE);
-		local_irq_restore(flags);
+		enable_irq(ttcce->ce.irq);
 
 		/* update cached frequency */
 		ttc->freq = ndata->new_rate;
-- 
1.8.4.4