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author | James Hogan <james.hogan@imgtec.com> | 2012-10-09 10:54:47 +0100 |
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committer | James Hogan <james.hogan@imgtec.com> | 2013-03-02 20:09:48 +0000 |
commit | 63047ea36070d11f902ab7d09a5a18aea037c0f7 (patch) | |
tree | f82e359be810c8b747ed390fc942e8a3d91226f3 /arch/metag/include/asm/irq.h | |
parent | ac919f0883e53d7785745566692c8a0620abd7ea (diff) | |
download | op-kernel-dev-63047ea36070d11f902ab7d09a5a18aea037c0f7.zip op-kernel-dev-63047ea36070d11f902ab7d09a5a18aea037c0f7.tar.gz |
metag: IRQ handling
Add core IRQ handling for metag. The code in irq.c exposes the TBX
signal numbers as Linux IRQs.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Diffstat (limited to 'arch/metag/include/asm/irq.h')
-rw-r--r-- | arch/metag/include/asm/irq.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/metag/include/asm/irq.h b/arch/metag/include/asm/irq.h new file mode 100644 index 0000000..be0c8f3 --- /dev/null +++ b/arch/metag/include/asm/irq.h @@ -0,0 +1,32 @@ +#ifndef __ASM_METAG_IRQ_H +#define __ASM_METAG_IRQ_H + +#ifdef CONFIG_4KSTACKS +extern void irq_ctx_init(int cpu); +extern void irq_ctx_exit(int cpu); +# define __ARCH_HAS_DO_SOFTIRQ +#else +# define irq_ctx_init(cpu) do { } while (0) +# define irq_ctx_exit(cpu) do { } while (0) +#endif + +void tbi_startup_interrupt(int); +void tbi_shutdown_interrupt(int); + +struct pt_regs; + +int tbisig_map(unsigned int hw); +extern void do_IRQ(int irq, struct pt_regs *regs); + +#ifdef CONFIG_METAG_SUSPEND_MEM +int traps_save_context(void); +int traps_restore_context(void); +#endif + +#include <asm-generic/irq.h> + +#ifdef CONFIG_HOTPLUG_CPU +extern void migrate_irqs(void); +#endif + +#endif /* __ASM_METAG_IRQ_H */ |