[Patch v3 11/36] sh, irq: Use helper irq_data_get_irq_handler_data() to hide irq_desc details

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Use helper function irq_data_get_irq_handler_data() to hide irq_desc
implementation details.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
 drivers/sh/intc/virq.c |   12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index f30ac9354ff2..bc0601cf0f8f 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -83,12 +83,11 @@ EXPORT_SYMBOL_GPL(intc_irq_lookup);
 
 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 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 
 	entry->irq = virq;
 
-	*last = entry;
+	if (last)
+		*last = entry;
+	else
+		irq_set_handler_data(irq, entry);
 
 	return 0;
 }
-- 
1.7.10.4

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