ARM: SAMSUNG: if detected device tree skip irq init for S5P

It prevents from executing things already handled by pinctrl-exynos
driver, when device tree is available.

Signed-off-by: Mateusz Krawczuk <m.krawczuk@partner.samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/plat-samsung/s5p-irq-eint.c b/arch/arm/plat-samsung/s5p-irq-eint.c
index faa651602780b6570b1af0d079d08a9b409e651e..ebee4dc11a946686a1c558c82f3f027b7c0f173b 100644 (file)
--- a/arch/arm/plat-samsung/s5p-irq-eint.c
+++ b/arch/arm/plat-samsung/s5p-irq-eint.c
@@ -16,6 +16,7 @@
 #include <linux/device.h>
 #include <linux/gpio.h>
 #include <linux/irqchip/arm-vic.h>
+#include <linux/of.h>
 
 #include <plat/regs-irqtype.h>
 
@@ -202,6 +203,9 @@ static int __init s5p_init_irq_eint(void)
 {
        int irq;
 
+       if (of_have_populated_dt())
+               return -ENODEV;
+
        for (irq = IRQ_EINT(0); irq <= IRQ_EINT(15); irq++)
                irq_set_chip(irq, &s5p_irq_vic_eint);