sh: intc: switch irq_desc iteration to new active IRQ iterator.

There's no need to iterative over every single irq_desc when we can
already work out which IRQs have a backing descriptor via the shiny new
for_each_active_irq(). Switch to that instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 338fad2a3fa4..873a99ff8f64 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -403,11 +403,8 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state)
                 if (d->state.event != PM_EVENT_FREEZE)
                         break;
 
-                for_each_irq_nr(irq) {
+                for_each_active_irq(irq) {
                         desc = irq_to_desc(irq);
-                        if (!desc)
-                                continue;
-
                         data = irq_get_irq_data(irq);
                         chip = irq_data_get_irq_chip(data);
 
@@ -428,11 +425,8 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state)
                 break;
         case PM_EVENT_SUSPEND:
                 /* enable wakeup irqs belonging to this intc controller */
-                for_each_irq_nr(irq) {
+                for_each_active_irq(irq) {
                         desc = irq_to_desc(irq);
-                        if (!desc)
-                                continue;
-
                         data = irq_get_irq_data(irq);
                         chip = irq_data_get_irq_chip(data);