1 files changed, 0 insertions, 127 deletions
diff --git a/arch/c6x/kernel/irq.c b/arch/c6x/kernel/irq.c
deleted file mode 100644
index e4c53d185b62..000000000000
--- a/arch/c6x/kernel/irq.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- *  Copyright (C) 2011-2012 Texas Instruments Incorporated
- *
- *  This borrows heavily from powerpc version, which is:
- *
- *  Derived from arch/i386/kernel/irq.c
- *    Copyright (C) 1992 Linus Torvalds
- *  Adapted from arch/i386 by Gary Thomas
- *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *  Updated and modified by Cort Dougan <cort@fsmlabs.com>
- *    Copyright (C) 1996-2001 Cort Dougan
- *  Adapted for Power Macintosh by Paul Mackerras
- *    Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
- */
-#include <linux/slab.h>
-#include <linux/seq_file.h>
-#include <linux/radix-tree.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_irq.h>
-#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-
-#include <asm/megamod-pic.h>
-#include <asm/special_insns.h>
-
-unsigned long irq_err_count;
-
-static DEFINE_RAW_SPINLOCK(core_irq_lock);
-
-static void mask_core_irq(struct irq_data *data)
-{
-	unsigned int prio = data->hwirq;
-
-	raw_spin_lock(&core_irq_lock);
-	and_creg(IER, ~(1 << prio));
-	raw_spin_unlock(&core_irq_lock);
-}
-
-static void unmask_core_irq(struct irq_data *data)
-{
-	unsigned int prio = data->hwirq;
-
-	raw_spin_lock(&core_irq_lock);
-	or_creg(IER, 1 << prio);
-	raw_spin_unlock(&core_irq_lock);
-}
-
-static struct irq_chip core_chip = {
-	.name		= "core",
-	.irq_mask	= mask_core_irq,
-	.irq_unmask	= unmask_core_irq,
-};
-
-static int prio_to_virq[NR_PRIORITY_IRQS];
-
-asmlinkage void c6x_do_IRQ(unsigned int prio, struct pt_regs *regs)
-{
-	struct pt_regs *old_regs = set_irq_regs(regs);
-
-	irq_enter();
-
-	generic_handle_irq(prio_to_virq[prio]);
-
-	irq_exit();
-
-	set_irq_regs(old_regs);
-}
-
-static struct irq_domain *core_domain;
-
-static int core_domain_map(struct irq_domain *h, unsigned int virq,
-			   irq_hw_number_t hw)
-{
-	if (hw < 4 || hw >= NR_PRIORITY_IRQS)
-		return -EINVAL;
-
-	prio_to_virq[hw] = virq;
-
-	irq_set_status_flags(virq, IRQ_LEVEL);
-	irq_set_chip_and_handler(virq, &core_chip, handle_level_irq);
-	return 0;
-}
-
-static const struct irq_domain_ops core_domain_ops = {
-	.map = core_domain_map,
-	.xlate = irq_domain_xlate_onecell,
-};
-
-void __init init_IRQ(void)
-{
-	struct device_node *np;
-
-	/* Mask all priority IRQs */
-	and_creg(IER, ~0xfff0);
-
-	np = of_find_compatible_node(NULL, NULL, "ti,c64x+core-pic");
-	if (np != NULL) {
-		/* create the core host */
-		core_domain = irq_domain_add_linear(np, NR_PRIORITY_IRQS,
-						    &core_domain_ops, NULL);
-		if (core_domain)
-			irq_set_default_host(core_domain);
-		of_node_put(np);
-	}
-
-	printk(KERN_INFO "Core interrupt controller initialized\n");
-
-	/* now we're ready for other SoC controllers */
-	megamod_pic_init();
-
-	/* Clear all general IRQ flags */
-	set_creg(ICR, 0xfff0);
-}
-
-void ack_bad_irq(int irq)
-{
-	printk(KERN_ERR "IRQ: spurious interrupt %d\n", irq);
-	irq_err_count++;
-}
-
-int arch_show_interrupts(struct seq_file *p, int prec)
-{
-	seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
-	return 0;
-}