irqchip: exynos: cleanup non-DT stuff in exynos-combiner

For EXYNOS SoCs, only can support for DT so removes non-DT stuff
in exynos-combiner.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 1 insertions, 43 deletions

diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c
index 4c6826513901..868ed40cb6bf 100644
--- a/drivers/irqchip/exynos-combiner.c
+++ b/drivers/irqchip/exynos-combiner.c
@@ -19,10 +19,6 @@
 #include <linux/of_irq.h>
 #include <asm/mach/irq.h>
 
-#ifdef CONFIG_EXYNOS_ATAGS
-#include <plat/cpu.h>
-#endif
-
 #include "irqchip.h"
 
 #define COMBINER_ENABLE_SET     0x0
@@ -138,7 +134,6 @@ static void __init combiner_init_one(struct combiner_chip_data *combiner_data,
         __raw_writel(combiner_data->irq_mask, base + COMBINER_ENABLE_CLEAR);
 }
 
-#ifdef CONFIG_OF
 static int combiner_irq_domain_xlate(struct irq_domain *d,
                                      struct device_node *controller,
                                      const u32 *intspec, unsigned int intsize,
@@ -156,16 +151,6 @@ static int combiner_irq_domain_xlate(struct irq_domain *d,
 
         return 0;
 }
-#else
-static int combiner_irq_domain_xlate(struct irq_domain *d,
-                                     struct device_node *controller,
-                                     const u32 *intspec, unsigned int intsize,
-                                     unsigned long *out_hwirq,
-                                     unsigned int *out_type)
-{
-        return -EINVAL;
-}
-#endif
 
 static int combiner_irq_domain_map(struct irq_domain *d, unsigned int irq,
                                    irq_hw_number_t hw)
@@ -184,26 +169,6 @@ static struct irq_domain_ops combiner_irq_domain_ops = {
         .map    = combiner_irq_domain_map,
 };
 
-static unsigned int combiner_lookup_irq(int group)
-{
-#ifdef CONFIG_EXYNOS_ATAGS
-        if (group < EXYNOS4210_MAX_COMBINER_NR || soc_is_exynos5250())
-                return IRQ_SPI(group);
-
-        switch (group) {
-        case 16:
-                return IRQ_SPI(107);
-        case 17:
-                return IRQ_SPI(108);
-        case 18:
-                return IRQ_SPI(48);
-        case 19:
-                return IRQ_SPI(42);
-        }
-#endif
-        return 0;
-}
-
 static void __init combiner_init(void __iomem *combiner_base,
                                  struct device_node *np,
                                  unsigned int max_nr,
@@ -229,12 +194,7 @@ static void __init combiner_init(void __iomem *combiner_base,
         }
 
         for (i = 0; i < max_nr; i++) {
-#ifdef CONFIG_OF
-                if (np)
-                        irq = irq_of_parse_and_map(np, i);
-                else
-#endif
-                        irq = combiner_lookup_irq(i);
+                irq = irq_of_parse_and_map(np, i);
 
                 combiner_init_one(&combiner_data[i], i,
                                   combiner_base + (i >> 2) * 0x10, irq);
@@ -242,7 +202,6 @@ static void __init combiner_init(void __iomem *combiner_base,
         }
 }
 
-#ifdef CONFIG_OF
 static int __init combiner_of_init(struct device_node *np,
                                    struct device_node *parent)
 {
@@ -275,4 +234,3 @@ static int __init combiner_of_init(struct device_node *np,
 }
 IRQCHIP_DECLARE(exynos4210_combiner, "samsung,exynos4210-combiner",
                 combiner_of_init);
-#endif