forked from Minki/linux
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2011-12 Synopsys, Inc. (www.synopsys.com)
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*/
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#include <linux/interrupt.h>
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#include <linux/irqchip.h>
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#include <asm/mach_desc.h>
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#include <asm/smp.h>
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/*
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* Late Interrupt system init called from start_kernel for Boot CPU only
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*
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* Since slab must already be initialized, platforms can start doing any
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* needed request_irq( )s
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*/
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void __init init_IRQ(void)
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{
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/*
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* process the entire interrupt tree in one go
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* Any external intc will be setup provided DT chains them
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* properly
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*/
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irqchip_init();
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#ifdef CONFIG_SMP
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/* a SMP H/w block could do IPI IRQ request here */
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if (plat_smp_ops.init_per_cpu)
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plat_smp_ops.init_per_cpu(smp_processor_id());
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#endif
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if (machine_desc->init_per_cpu)
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machine_desc->init_per_cpu(smp_processor_id());
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}
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/*
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* "C" Entry point for any ARC ISR, called from low level vector handler
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* @irq is the vector number read from ICAUSE reg of on-chip intc
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*/
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void arch_do_IRQ(unsigned int hwirq, struct pt_regs *regs)
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{
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handle_domain_irq(NULL, hwirq, regs);
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}
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