forked from Minki/linux
8c9f08f9de
commit 2502b667ea ("Change the m68knommu irq
handling to use the generic irq framework.") removed the reporting of spurious
interrupts on nommu (68328 and 68360).
Bring it back in a generic way, using "atomic_t irq_err_count", as that's what
most of the other architectures are using.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
41 lines
878 B
C
41 lines
878 B
C
/*
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* irq.c
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*
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* (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/kernel_stat.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/seq_file.h>
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#include <asm/system.h>
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#include <asm/traps.h>
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asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
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{
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struct pt_regs *oldregs = set_irq_regs(regs);
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irq_enter();
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generic_handle_irq(irq);
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irq_exit();
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set_irq_regs(oldregs);
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}
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/* The number of spurious interrupts */
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atomic_t irq_err_count;
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int arch_show_interrupts(struct seq_file *p, int prec)
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{
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seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
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return 0;
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}
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