mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
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
|
|
/*
|
|
* Copyright (C) 2011-12 Synopsys, Inc. (www.synopsys.com)
|
|
*/
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <linux/irqchip.h>
|
|
#include <asm/mach_desc.h>
|
|
#include <asm/smp.h>
|
|
|
|
/*
|
|
* Late Interrupt system init called from start_kernel for Boot CPU only
|
|
*
|
|
* Since slab must already be initialized, platforms can start doing any
|
|
* needed request_irq( )s
|
|
*/
|
|
void __init init_IRQ(void)
|
|
{
|
|
/*
|
|
* process the entire interrupt tree in one go
|
|
* Any external intc will be setup provided DT chains them
|
|
* properly
|
|
*/
|
|
irqchip_init();
|
|
|
|
#ifdef CONFIG_SMP
|
|
/* a SMP H/w block could do IPI IRQ request here */
|
|
if (plat_smp_ops.init_per_cpu)
|
|
plat_smp_ops.init_per_cpu(smp_processor_id());
|
|
#endif
|
|
|
|
if (machine_desc->init_per_cpu)
|
|
machine_desc->init_per_cpu(smp_processor_id());
|
|
}
|
|
|
|
/*
|
|
* "C" Entry point for any ARC ISR, called from low level vector handler
|
|
* @irq is the vector number read from ICAUSE reg of on-chip intc
|
|
*/
|
|
void arch_do_IRQ(unsigned int hwirq, struct pt_regs *regs)
|
|
{
|
|
handle_domain_irq(NULL, hwirq, regs);
|
|
}
|