Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Anoop P A |
191 |
96.46% |
1 |
20.00% |
| Thomas Gleixner |
3 |
1.52% |
2 |
40.00% |
| Arnd Bergmann |
3 |
1.52% |
1 |
20.00% |
| Alex Smith |
1 |
0.51% |
1 |
20.00% |
| Total |
198 |
|
5 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc.
* Copyright (C) 2001 Ralf Baechle
* Copyright (C) 2010 PMC-Sierra, Inc.
*
* VSMP support for MSP platforms . Derived from malta vsmp support.
*/
#include <linux/smp.h>
#include <linux/interrupt.h>
#include <asm/setup.h>
#ifdef CONFIG_MIPS_MT_SMP
#define MIPS_CPU_IPI_RESCHED_IRQ 0 /* SW int 0 for resched */
#define MIPS_CPU_IPI_CALL_IRQ 1 /* SW int 1 for call */
static void ipi_resched_dispatch(void)
{
do_IRQ(MIPS_CPU_IPI_RESCHED_IRQ);
}
static void ipi_call_dispatch(void)
{
do_IRQ(MIPS_CPU_IPI_CALL_IRQ);
}
static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
{
return IRQ_HANDLED;
}
static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
{
generic_smp_call_function_interrupt();
return IRQ_HANDLED;
}
static struct irqaction irq_resched = {
.handler = ipi_resched_interrupt,
.flags = IRQF_PERCPU,
.name = "IPI_resched"
};
static struct irqaction irq_call = {
.handler = ipi_call_interrupt,
.flags = IRQF_PERCPU,
.name = "IPI_call"
};
void __init arch_init_ipiirq(int irq, struct irqaction *action)
{
setup_irq(irq, action);
irq_set_handler(irq, handle_percpu_irq);
}
void __init msp_vsmp_int_init(void)
{
set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
arch_init_ipiirq(MIPS_CPU_IPI_RESCHED_IRQ, &irq_resched);
arch_init_ipiirq(MIPS_CPU_IPI_CALL_IRQ, &irq_call);
}
#endif /* CONFIG_MIPS_MT_SMP */