fb9bd7d6df
This patch adds the support for IRQ handling. The actual interrupt controller will be part of a separate patch (going into drivers/irqchip/). Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_HARDIRQ_H
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#define __ASM_HARDIRQ_H
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#include <linux/cache.h>
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#include <linux/threads.h>
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#include <asm/irq.h>
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typedef struct {
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unsigned int __softirq_pending;
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} ____cacheline_aligned irq_cpustat_t;
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#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
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#define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
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#define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
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#ifdef CONFIG_SMP
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u64 smp_irq_stat_cpu(unsigned int cpu);
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#define arch_irq_stat_cpu smp_irq_stat_cpu
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#endif
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#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
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static inline void ack_bad_irq(unsigned int irq)
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{
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extern unsigned long irq_err_count;
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irq_err_count++;
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}
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extern void handle_IRQ(unsigned int, struct pt_regs *);
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#endif /* __ASM_HARDIRQ_H */
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