diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/hardirq.h')
-rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/hardirq.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/hardirq.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/hardirq.h new file mode 100644 index 000000000..e230481a1 --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/include/asm/hardirq.h @@ -0,0 +1,55 @@ +/* + * arch/ubicom32/include/asm/hardirq.h + * Definition of ack_bad_irq() for Ubicom32 architecture. + * + * (C) Copyright 2009, Ubicom, Inc. + * Copyright (C) 1997, 98, 99, 2000, 01, 05 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + * Copyright (C) 2001 MIPS Technologies, Inc. + * + * This file is part of the Ubicom32 Linux Kernel Port. + * + * The Ubicom32 Linux Kernel Port is free software: you can redistribute + * it and/or modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, either version 2 of the + * License, or (at your option) any later version. + * + * The Ubicom32 Linux Kernel Port is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with the Ubicom32 Linux Kernel Port. If not, + * see <http://www.gnu.org/licenses/>. + * + * Ubicom32 implementation derived from (with many thanks): + * arch/m68knommu + * arch/blackfin + * arch/parisc + */ +#ifndef _ASM_UBICOM32_HARDIRQ_H +#define _ASM_UBICOM32_HARDIRQ_H + +#include <linux/threads.h> +#include <linux/irq.h> + +/* + * The hardirq mask has to be large enough to have space + * for potentially all IRQ sources in the system nesting + * on a single CPU. For Ubicom32, we have 64 IRQ sources. + */ +#define HARDIRQ_BITS 6 +#if (1 << HARDIRQ_BITS) < NR_IRQS +# error HARDIRQ_BITS is too low! +#endif + +typedef struct { + unsigned int __softirq_pending; +} ____cacheline_aligned irq_cpustat_t; + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +extern void ack_bad_irq(unsigned int irq); + +#endif /* _ASM_UBICOM32_HARDIRQ_H */ |