Contributors: 17
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Russell King |
154 |
50.83% |
13 |
37.14% |
| Thomas Gleixner |
38 |
12.54% |
4 |
11.43% |
| Linus Torvalds (pre-git) |
29 |
9.57% |
3 |
8.57% |
| Eric Miao |
21 |
6.93% |
1 |
2.86% |
| Maxime Ripard |
19 |
6.27% |
1 |
2.86% |
| Tomasz Figa |
7 |
2.31% |
1 |
2.86% |
| Masahiro Yamada |
6 |
1.98% |
1 |
2.86% |
| Marc Zyngier |
6 |
1.98% |
1 |
2.86% |
| Andi Shyti |
5 |
1.65% |
1 |
2.86% |
| Linus Torvalds |
5 |
1.65% |
2 |
5.71% |
| Arnd Bergmann |
3 |
0.99% |
1 |
2.86% |
| Arnaldo Carvalho de Melo |
3 |
0.99% |
1 |
2.86% |
| Rabin Vincent |
2 |
0.66% |
1 |
2.86% |
| Dmitry Eremin-Solenikov |
2 |
0.66% |
1 |
2.86% |
| Aaro Koskinen |
1 |
0.33% |
1 |
2.86% |
| Ben Dooks |
1 |
0.33% |
1 |
2.86% |
| Jamie Iles |
1 |
0.33% |
1 |
2.86% |
| Total |
303 |
|
35 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/kernel/irq.c
*
* Copyright (C) 1992 Linus Torvalds
* Modifications for ARM processor Copyright (C) 1995-2000 Russell King.
*
* Support for Dynamic Tick Timer Copyright (C) 2004-2005 Nokia Corporation.
* Dynamic Tick Timer written by Tony Lindgren <tony@atomide.com> and
* Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>.
*
* This file contains the code used by various IRQ handling routines:
* asking for different IRQ's should be done through these routines
* instead of just grabbing them. Thus setups with different IRQ numbers
* shouldn't result in any weird surprises, and installing new handlers
* should be easier.
*
* IRQ's are in fact implemented a bit like signal handlers for the kernel.
* Naturally it's not a 1:1 relation, but there are similarities.
*/
#include <linux/signal.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/random.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/seq_file.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/kallsyms.h>
#include <linux/proc_fs.h>
#include <linux/export.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/cache-uniphier.h>
#include <asm/outercache.h>
#include <asm/exception.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
unsigned long irq_err_count;
int arch_show_interrupts(struct seq_file *p, int prec)
{
#ifdef CONFIG_FIQ
show_fiq_list(p, prec);
#endif
#ifdef CONFIG_SMP
show_ipi_list(p, prec);
#endif
seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
return 0;
}
/*
* handle_IRQ handles all hardware IRQ's. Decoded IRQs should
* not come via this function. Instead, they should provide their
* own 'handler'. Used by platform code implementing C-based 1st
* level decoding.
*/
void handle_IRQ(unsigned int irq, struct pt_regs *regs)
{
__handle_domain_irq(NULL, irq, false, regs);
}
/*
* asm_do_IRQ is the interface to be used from assembly code.
*/
asmlinkage void __exception_irq_entry
asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
{
handle_IRQ(irq, regs);
}
void __init init_IRQ(void)
{
int ret;
if (IS_ENABLED(CONFIG_OF) && !machine_desc->init_irq)
irqchip_init();
else
machine_desc->init_irq();
if (IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_CACHE_L2X0) &&
(machine_desc->l2c_aux_mask || machine_desc->l2c_aux_val)) {
if (!outer_cache.write_sec)
outer_cache.write_sec = machine_desc->l2c_write_sec;
ret = l2x0_of_init(machine_desc->l2c_aux_val,
machine_desc->l2c_aux_mask);
if (ret && ret != -ENODEV)
pr_err("L2C: failed to init: %d\n", ret);
}
uniphier_cache_init();
}
#ifdef CONFIG_SPARSE_IRQ
int __init arch_probe_nr_irqs(void)
{
nr_irqs = machine_desc->nr_irqs ? machine_desc->nr_irqs : NR_IRQS;
return nr_irqs;
}
#endif