diff options
Diffstat (limited to 'arch/mips/include/asm/i8259.h')
| -rw-r--r-- | arch/mips/include/asm/i8259.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/mips/include/asm/i8259.h b/arch/mips/include/asm/i8259.h index c7e278447c0a..a54b9649de22 100644 --- a/arch/mips/include/asm/i8259.h +++ b/arch/mips/include/asm/i8259.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/asm-mips/i8259.h * @@ -5,11 +6,6 @@ * * Copyright (C) 2003 Maciej W. Rozycki * Copyright (C) 2003 Ralf Baechle <ralf@linux-mips.org> - * - * This program 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. */ #ifndef _ASM_I8259_H #define _ASM_I8259_H @@ -37,10 +33,21 @@ extern raw_spinlock_t i8259A_lock; -extern int i8259A_irq_pending(unsigned int irq); extern void make_8259A_irq(unsigned int irq); extern void init_i8259_irqs(void); +extern struct irq_domain *__init_i8259_irqs(struct device_node *node); + +/** + * i8159_set_poll() - Override the i8259 polling function + * @poll: pointer to platform-specific polling function + * + * Call this to override the generic i8259 polling function, which directly + * accesses i8259 registers, with a platform specific one which may be faster + * in cases where hardware provides a more optimal means of polling for an + * interrupt. + */ +extern void i8259_set_poll(int (*poll)(void)); /* * Do the traditional i8259 interrupt polling thing. This is for the few |