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>

3 files changed, 3 insertions, 5 deletions

diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c
index af818a21587c..5abcfc016c47 100644
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -518,7 +518,7 @@ void __init at91_gpio_irq_setup(void)
                 __raw_writel(~0, this->regbase + PIO_IDR);
 
                 for (i = 0, pin = this->chip.base; i < 32; i++, pin++) {
-                        lockdep_set_class(&irq_desc[pin].lock, &gpio_lock_class);
+                        irq_set_lockdep_class(pin, &gpio_lock_class);
 
                         /*
                          * Can use the "simple" and not "edge" handler since it's
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);
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);