| 1 | |
| 2 | * Copyright (C) 2007-2009 Michal Simek <[email protected]>
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| 3 | * Copyright (C) 2007-2009 PetaLogix
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| 4 | * Copyright (C) 2006 Atmark Techno, Inc.
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| 5 | *
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| 6 | * This file is subject to the terms and conditions of the GNU General Public
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| 7 | * License. See the file "COPYING" in the main directory of this archive
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| 8 | * for more details.
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| 9 |
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| 10 |
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| 11 | #include <linux/init.h>
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| 12 | #include <linux/ftrace.h>
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| 13 | #include <linux/kernel.h>
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| 14 | #include <linux/hardirq.h>
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| 15 | #include <linux/interrupt.h>
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| 16 | #include <linux/irqflags.h>
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| 17 | #include <linux/seq_file.h>
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| 18 | #include <linux/kernel_stat.h>
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| 19 | #include <linux/irq.h>
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| 20 | #include <linux/irqchip.h>
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| 21 | #include <linux/of_irq.h>
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| 22 |
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| 23 | void __irq_entry do_IRQ(struct pt_regs *regs)
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| 24 | {
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| 25 | struct pt_regs *old_regs = set_irq_regs(regs);
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| 26 | trace_hardirqs_off();
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| 27 |
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| 28 | irq_enter();
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| 29 | handle_arch_irq(regs);
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| 30 | irq_exit();
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| 31 | set_irq_regs(old_regs);
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| 32 | trace_hardirqs_on();
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| 33 | }
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| 34 |
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| 35 | void __init init_IRQ(void)
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| 36 | {
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| 37 |
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| 38 | irqchip_init();
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| 39 | }
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