1 files changed, 0 insertions, 124 deletions

diff --git a/arch/arm/mach-exynos/irq-combiner.c b/arch/arm/mach-exynos/irq-combiner.c
deleted file mode 100644
index 5a2758ab055..00000000000
--- a/arch/arm/mach-exynos/irq-combiner.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/* linux/arch/arm/mach-exynos4/irq-combiner.c
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * Based on arch/arm/common/gic.c
- *
- * IRQ COMBINER support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/io.h>
-
-#include <asm/mach/irq.h>
-
-#define COMBINER_ENABLE_SET     0x0
-#define COMBINER_ENABLE_CLEAR   0x4
-#define COMBINER_INT_STATUS     0xC
-
-static DEFINE_SPINLOCK(irq_controller_lock);
-
-struct combiner_chip_data {
-        unsigned int irq_offset;
-        unsigned int irq_mask;
-        void __iomem *base;
-};
-
-static struct combiner_chip_data combiner_data[MAX_COMBINER_NR];
-
-static inline void __iomem *combiner_base(struct irq_data *data)
-{
-        struct combiner_chip_data *combiner_data =
-                irq_data_get_irq_chip_data(data);
-
-        return combiner_data->base;
-}
-
-static void combiner_mask_irq(struct irq_data *data)
-{
-        u32 mask = 1 << (data->irq % 32);
-
-        __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
-}
-
-static void combiner_unmask_irq(struct irq_data *data)
-{
-        u32 mask = 1 << (data->irq % 32);
-
-        __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
-}
-
-static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
-{
-        struct combiner_chip_data *chip_data = irq_get_handler_data(irq);
-        struct irq_chip *chip = irq_get_chip(irq);
-        unsigned int cascade_irq, combiner_irq;
-        unsigned long status;
-
-        chained_irq_enter(chip, desc);
-
-        spin_lock(&irq_controller_lock);
-        status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
-        spin_unlock(&irq_controller_lock);
-        status &= chip_data->irq_mask;
-
-        if (status == 0)
-                goto out;
-
-        combiner_irq = __ffs(status);
-
-        cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
-        if (unlikely(cascade_irq >= NR_IRQS))
-                do_bad_IRQ(cascade_irq, desc);
-        else
-                generic_handle_irq(cascade_irq);
-
- out:
-        chained_irq_exit(chip, desc);
-}
-
-static struct irq_chip combiner_chip = {
-        .name           = "COMBINER",
-        .irq_mask       = combiner_mask_irq,
-        .irq_unmask     = combiner_unmask_irq,
-};
-
-void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
-{
-        if (combiner_nr >= MAX_COMBINER_NR)
-                BUG();
-        if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0)
-                BUG();
-        irq_set_chained_handler(irq, combiner_handle_cascade_irq);
-}
-
-void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
-                          unsigned int irq_start)
-{
-        unsigned int i;
-
-        if (combiner_nr >= MAX_COMBINER_NR)
-                BUG();
-
-        combiner_data[combiner_nr].base = base;
-        combiner_data[combiner_nr].irq_offset = irq_start;
-        combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3);
-
-        /* Disable all interrupts */
-
-        __raw_writel(combiner_data[combiner_nr].irq_mask,
-                     base + COMBINER_ENABLE_CLEAR);
-
-        /* Setup the Linux IRQ subsystem */
-
-        for (i = irq_start; i < combiner_data[combiner_nr].irq_offset
-                                + MAX_IRQ_IN_COMBINER; i++) {
-                irq_set_chip_and_handler(i, &combiner_chip, handle_level_irq);
-                irq_set_chip_data(i, &combiner_data[combiner_nr]);
-                set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
-        }
-}