Files
cubelinux-kernel/arch/mips/loongson2ef/common/bonito-irq.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

47 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2001 MontaVista Software Inc.
* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
* Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
*
* Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
* Author: Fuxin Zhang, zhangfx@lemote.com
*/
#include <linux/interrupt.h>
#include <linux/compiler.h>
#include <loongson.h>
static inline void bonito_irq_enable(struct irq_data *d)
{
LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE));
mmiowb();
}
static inline void bonito_irq_disable(struct irq_data *d)
{
LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE));
mmiowb();
}
static struct irq_chip bonito_irq_type = {
.name = "bonito_irq",
.irq_mask = bonito_irq_disable,
.irq_unmask = bonito_irq_enable,
};
void bonito_irq_init(void)
{
u32 i;
for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
irq_set_chip_and_handler(i, &bonito_irq_type,
handle_level_irq);
#ifdef CONFIG_CPU_LOONGSON2E
i = LOONGSON_IRQ_BASE + 10;
if (request_irq(i, no_action, 0, "dma_timeout", NULL))
pr_err("Failed to request irq %d (dma_timeout)\n", i);
#endif
}