commit d0abe2f3a9a541ded2e30ef7275f057fb7f0335a
author Jiang Liu <jiang.liu@linux.intel.com> Mon Jul 13 20:51:22 2015 +0000
committer Ingo Molnar <mingo@kernel.org> Wed Jul 29 10:08:07 2015 +0200
tree 6f2ab2f75dc9d5ec252bca53501165ef74e68e85
parent cde5c2756832089e35b0c50417cc2858630f2005

sh/irq: Use irq accessor functions instead of open coded access

This is a preparatory patch for refactoring the internals if irq_data.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Link: http://lkml.kernel.org/r/20150713151626.616384365@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

drivers/sh/intc/virq.c

diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index f5f1b82..0f73530 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -83,12 +83,11 @@
 
 static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 {
-	struct intc_virq_list **last, *entry;
-	struct irq_data *data = irq_get_irq_data(irq);
+	struct intc_virq_list *entry;
+	struct intc_virq_list **last = NULL;
 
 	/* scan for duplicates */
-	last = (struct intc_virq_list **)&data->handler_data;
-	for_each_virq(entry, data->handler_data) {
+	for_each_virq(entry, irq_get_handler_data(irq)) {
 		if (entry->irq == virq)
 			return 0;
 		last = &entry->next;
@@ -102,7 +101,10 @@
 
 	entry->irq = virq;
 
-	*last = entry;
+	if (last)
+		*last = entry;
+	else
+		irq_set_handler_data(irq, entry);
 
 	return 0;
 }