1 files changed, 18 insertions, 19 deletions

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 647c8434610c..c59e18871006 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -17,6 +17,8 @@
 #include <linux/gpio.h>
 #include <linux/sched.h>
 #include <linux/serial_core.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
 
 #include <asm/proc-fns.h>
 #include <asm/exception.h>
@@ -385,6 +387,13 @@ static void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
         }
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id exynos4_dt_irq_match[] = {
+        { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+        {},
+};
+#endif
+
 void __init exynos4_init_irq(void)
 {
         int irq;
@@ -392,7 +401,12 @@ void __init exynos4_init_irq(void)
 
         gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
 
-        gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset);
+        if (!of_have_populated_dt())
+                gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset);
+#ifdef CONFIG_OF
+        else
+                of_irq_init(exynos4_dt_irq_match);
+#endif
 
         for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
 
@@ -460,15 +474,6 @@ int __init exynos_init(void)
         return device_register(&exynos4_dev);
 }
 
-static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
-        [0] = {
-                .name           = "uclk1",
-                .divisor        = 1,
-                .min_baud       = 0,
-                .max_baud       = 0,
-        },
-};
-
 /* uart registration process */
 
 void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
@@ -476,16 +481,10 @@ void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
         struct s3c2410_uartcfg *tcfg = cfg;
         u32 ucnt;
 
-        for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
-                if (!tcfg->clocks) {
-                        tcfg->has_fracval = 1;
-                        tcfg->clocks = exynos4_serial_clocks;
-                        tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
-                }
-                tcfg->flags |= NO_NEED_CHECK_CLKSRC;
-        }
+        for (ucnt = 0; ucnt < no; ucnt++, tcfg++)
+                tcfg->has_fracval = 1;
 
-        s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
+        s3c24xx_init_uartdevs("exynos4210-uart", s5p_uart_resources, cfg, no);
 }
 
 static DEFINE_SPINLOCK(eint_lock);