mcs814x: drop 3.14

[openwrt.git] / target / linux / mcs814x / files-3.14 / arch / arm / mach-mcs814x / irq.c

diff --git a/target/linux/mcs814x/files-3.14/arch/arm/mach-mcs814x/irq.c b/target/linux/mcs814x/files-3.14/arch/arm/mach-mcs814x/irq.c
deleted file mode 100644 (file)
index f84c412..0000000
--- a/target/linux/mcs814x/files-3.14/arch/arm/mach-mcs814x/irq.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Moschip MCS814x generic interrupt controller routines
- *
- * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
- *
- * Licensed under the GPLv2
- */
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/irqdomain.h>
-
-#include <asm/exception.h>
-#include <asm/mach/irq.h>
-#include <mach/mcs814x.h>
-
-static void __iomem *mcs814x_intc_base;
-
-static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start,
-                                       unsigned int num)
-{
-       struct irq_chip_generic *gc;
-       struct irq_chip_type *ct;
-
-       gc = irq_alloc_generic_chip("mcs814x-intc", 1,
-                       irq_start, base, handle_level_irq);
-       if (!gc)
-               panic("unable to allocate generic irq chip");
-
-       ct = gc->chip_types;
-       ct->chip.irq_ack = irq_gc_unmask_enable_reg;
-       ct->chip.irq_mask = irq_gc_mask_clr_bit;
-       ct->chip.irq_unmask = irq_gc_mask_set_bit;
-       ct->regs.mask = MCS814X_IRQ_MASK;
-       ct->regs.enable = MCS814X_IRQ_ICR;
-
-       irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
-               IRQ_NOREQUEST, 0);
-
-       /* Clear all interrupts */
-       writel_relaxed(0xffffffff, base + MCS814X_IRQ_ICR);
-}
-
-asmlinkage void __exception_irq_entry mcs814x_handle_irq(struct pt_regs *regs)
-{
-       u32 status, irq;
-
-       do {
-               /* read the status register */
-               status = __raw_readl(mcs814x_intc_base + MCS814X_IRQ_STS0);
-               if (!status)
-                       break;
-
-               irq = ffs(status) - 1;
-               status |= (1 << irq);
-               /* clear the interrupt */
-               __raw_writel(status, mcs814x_intc_base + MCS814X_IRQ_STS0);
-               /* call the generic handler */
-               handle_IRQ(irq, regs);
-
-       } while (1);
-}
-
-static const struct of_device_id mcs814x_intc_ids[] = {
-       { .compatible = "moschip,mcs814x-intc" },
-       { /* sentinel */ },
-};
-
-void __init mcs814x_of_irq_init(void)
-{
-       struct device_node *np;
-
-       np = of_find_matching_node(NULL, mcs814x_intc_ids);
-       if (!np)
-               panic("unable to find compatible intc node in dtb\n");
-
-       mcs814x_intc_base = of_iomap(np, 0);
-       if (!mcs814x_intc_base)
-               panic("unable to map intc cpu registers\n");
-
-       irq_domain_add_simple(np, 32, 0, &irq_generic_chip_ops, NULL);
-
-       of_node_put(np);
-
-       mcs814x_alloc_gc(mcs814x_intc_base, 0, 32);
-}
-