csky: Add irq_work support (2c81b076) · Commits · 戴 / test

arch/csky/include/asm/irq_work.h

0 → 100644

+11 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0 */

		#ifndef __ASM_CSKY_IRQ_WORK_H
		#define __ASM_CSKY_IRQ_WORK_H

		static inline bool arch_irq_work_has_interrupt(void)
		{
		return true;
		}
		extern void arch_irq_work_raise(void);
		#endif /* __ASM_CSKY_IRQ_WORK_H */

+12 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@
		#include <linux/delay.h>
		#include <linux/err.h>
		#include <linux/irq.h>
		#include <linux/irq_work.h>
		#include <linux/irqdomain.h>
		#include <linux/of.h>
		#include <linux/sched/task_stack.h>
		@@ -35,6 +36,7 @@ enum ipi_message_type {
		IPI_EMPTY,
		IPI_RESCHEDULE,
		IPI_CALL_FUNC,
		IPI_IRQ_WORK,
		IPI_MAX
		};

		@@ -53,6 +55,9 @@ static irqreturn_t handle_ipi(int irq, void *dev)
		if (ops & (1 << IPI_CALL_FUNC))
		generic_smp_call_function_interrupt();

		if (ops & (1 << IPI_IRQ_WORK))
		irq_work_run();

		BUG_ON((ops >> IPI_MAX) != 0);
		}

		@@ -108,6 +113,13 @@ void smp_send_reschedule(int cpu)
		send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
		}

		#ifdef CONFIG_IRQ_WORK
		void arch_irq_work_raise(void)
		{
		send_ipi_message(cpumask_of(smp_processor_id()), IPI_IRQ_WORK);
		}
		#endif

		void __init smp_prepare_boot_cpu(void)
		{
		}