Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. This patch prepares for changing 'nr_irqs' from an exported
global variable into a variable with file scope.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/sh/intc/virq-debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/sh/intc/virq-debugfs.c b/drivers/sh/intc/virq-debugfs.c
index 939915a07d99..5dd8febe6da5 100644
--- a/drivers/sh/intc/virq-debugfs.c
+++ b/drivers/sh/intc/virq-debugfs.c
@@ -18,6 +18,7 @@
 
 static int intc_irq_xlate_show(struct seq_file *m, void *priv)
 {
+	const unsigned int nr_irqs = irq_get_nr_irqs();
 	int i;
 
 	seq_printf(m, "%-5s  %-7s  %-15s\n", "irq", "enum", "chip name");