arm: Use genirq lockdep helper to set lock class

Remove the open coded access to irq_desc which will fail on sparse irq
and use the proper wrappers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 971d18636942..08af18883e26 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -1672,9 +1672,7 @@ static void __init omap_gpio_chip_init(struct gpio_bank *bank)
 
         for (j = bank->virtual_irq_start;
                      j < bank->virtual_irq_start + bank_width; j++) {
-                struct irq_desc *d = irq_to_desc(j);
-
-                lockdep_set_class(&d->lock, &gpio_lock_class);
+                irq_set_lockdep_class(j, &gpio_lock_class);
                 set_irq_chip_data(j, bank);
                 if (bank_is_mpuio(bank))
                         set_irq_chip(j, &mpuio_irq_chip);