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, 1 deletions

diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c
index 094e61a59b1f..8ab2131f41d4 100644
--- a/arch/arm/mach-tegra/gpio.c
+++ b/arch/arm/mach-tegra/gpio.c
@@ -340,7 +340,7 @@ static int __init tegra_gpio_init(void)
         for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
                 bank = &tegra_gpio_banks[GPIO_BANK(irq_to_gpio(i))];
 
-                lockdep_set_class(&irq_desc[i].lock, &gpio_lock_class);
+                irq_set_lockdep_class(i, &gpio_lock_class);
                 set_irq_chip_data(i, bank);
                 set_irq_chip(i, &tegra_gpio_irq_chip);
                 set_irq_handler(i, handle_simple_irq);