diff options
Diffstat (limited to 'drivers/irqchip/irq-mips-cpu.c')
| -rw-r--r-- | drivers/irqchip/irq-mips-cpu.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c index 14461cbfab2f..ac784ef3ed4b 100644 --- a/drivers/irqchip/irq-mips-cpu.c +++ b/drivers/irqchip/irq-mips-cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2001 MontaVista Software Inc. * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net @@ -7,11 +8,6 @@ * Author: Maciej W. Rozycki <macro@mips.com> * * This file define the irq handler for MIPS CPU interrupts. - * - * 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. */ /* @@ -101,7 +97,7 @@ static void mips_mt_send_ipi(struct irq_data *d, unsigned int cpu) local_irq_save(flags); /* We can only send IPIs to VPEs within the local core */ - WARN_ON(cpu_data[cpu].core != current_cpu_data.core); + WARN_ON(!cpus_are_siblings(smp_processor_id(), cpu)); vpflags = dvpe(); settc(cpu_vpe_id(&cpu_data[cpu])); @@ -131,7 +127,6 @@ static struct irq_chip mips_mt_cpu_irq_controller = { asmlinkage void __weak plat_irq_dispatch(void) { unsigned long pending = read_c0_cause() & read_c0_status() & ST0_IM; - unsigned int virq; int irq; if (!pending) { @@ -141,12 +136,15 @@ asmlinkage void __weak plat_irq_dispatch(void) pending >>= CAUSEB_IP; while (pending) { + struct irq_domain *d; + irq = fls(pending) - 1; if (IS_ENABLED(CONFIG_GENERIC_IRQ_IPI) && irq < 2) - virq = irq_linear_revmap(ipi_domain, irq); + d = ipi_domain; else - virq = irq_linear_revmap(irq_domain, irq); - do_IRQ(virq); + d = irq_domain; + + do_domain_IRQ(d, irq); pending &= ~BIT(irq); } } @@ -201,6 +199,13 @@ static int mips_cpu_ipi_alloc(struct irq_domain *domain, unsigned int virq, if (ret) return ret; + ret = irq_domain_set_hwirq_and_chip(domain->parent, virq + i, hwirq, + &mips_mt_cpu_irq_controller, + NULL); + + if (ret) + return ret; + ret = irq_set_irq_type(virq + i, IRQ_TYPE_LEVEL_HIGH); if (ret) return ret; @@ -233,11 +238,9 @@ static void mips_cpu_register_ipi_domain(struct device_node *of_node) struct cpu_ipi_domain_state *ipi_domain_state; ipi_domain_state = kzalloc(sizeof(*ipi_domain_state), GFP_KERNEL); - ipi_domain = irq_domain_add_hierarchy(irq_domain, - IRQ_DOMAIN_FLAG_IPI_SINGLE, - 2, of_node, - &mips_cpu_ipi_chip_ops, - ipi_domain_state); + ipi_domain = irq_domain_create_hierarchy(irq_domain, IRQ_DOMAIN_FLAG_IPI_SINGLE, 2, + of_fwnode_handle(of_node), + &mips_cpu_ipi_chip_ops, ipi_domain_state); if (!ipi_domain) panic("Failed to add MIPS CPU IPI domain"); irq_domain_update_bus_token(ipi_domain, DOMAIN_BUS_IPI); @@ -255,9 +258,8 @@ static void __init __mips_cpu_irq_init(struct device_node *of_node) clear_c0_status(ST0_IM); clear_c0_cause(CAUSEF_IP); - irq_domain = irq_domain_add_legacy(of_node, 8, MIPS_CPU_IRQ_BASE, 0, - &mips_cpu_intc_irq_domain_ops, - NULL); + irq_domain = irq_domain_create_legacy(of_fwnode_handle(of_node), 8, MIPS_CPU_IRQ_BASE, 0, + &mips_cpu_intc_irq_domain_ops, NULL); if (!irq_domain) panic("Failed to add irqdomain for MIPS CPU"); |