diff options
Diffstat (limited to 'arch/arm/mach-footbridge/isa-irq.c')
| -rw-r--r-- | arch/arm/mach-footbridge/isa-irq.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c index c3a0abbc9049..842ddb4121ef 100644 --- a/arch/arm/mach-footbridge/isa-irq.c +++ b/arch/arm/mach-footbridge/isa-irq.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/arch/arm/mach-footbridge/irq.c * * Copyright (C) 1996-2000 Russell King * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Changelog: * 22-Aug-1998 RMK Restructured IRQ routines * 03-Sep-1998 PJB Merged CATS support @@ -87,24 +84,18 @@ static struct irq_chip isa_hi_chip = { .irq_unmask = isa_unmask_pic_hi_irq, }; -static void -isa_irq_handler(unsigned int irq, struct irq_desc *desc) +static void isa_irq_handler(struct irq_desc *desc) { unsigned int isa_irq = *(unsigned char *)PCIIACK_BASE; if (isa_irq < _ISA_IRQ(0) || isa_irq >= _ISA_IRQ(16)) { - do_bad_IRQ(isa_irq, desc); + do_bad_IRQ(desc); return; } generic_handle_irq(isa_irq); } -static struct irqaction irq_cascade = { - .handler = no_action, - .name = "cascade", -}; - static struct resource pic1_resource = { .name = "pic1", .start = 0x20, @@ -153,18 +144,21 @@ void __init isa_init_irq(unsigned int host_irq) for (irq = _ISA_IRQ(0); irq < _ISA_IRQ(8); irq++) { irq_set_chip_and_handler(irq, &isa_lo_chip, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE); } for (irq = _ISA_IRQ(8); irq < _ISA_IRQ(16); irq++) { irq_set_chip_and_handler(irq, &isa_hi_chip, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE); } request_resource(&ioport_resource, &pic1_resource); request_resource(&ioport_resource, &pic2_resource); - setup_irq(IRQ_ISA_CASCADE, &irq_cascade); + + irq = IRQ_ISA_CASCADE; + if (request_irq(irq, no_action, 0, "cascade", NULL)) + pr_err("Failed to request irq %u (cascade)\n", irq); irq_set_chained_handler(host_irq, isa_irq_handler); @@ -175,8 +169,8 @@ void __init isa_init_irq(unsigned int host_irq) * resistor on this line. */ if (machine_is_netwinder()) - set_irq_flags(_ISA_IRQ(11), IRQF_VALID | - IRQF_PROBE | IRQF_NOAUTOEN); + irq_modify_status(_ISA_IRQ(11), + IRQ_NOREQUEST | IRQ_NOPROBE, IRQ_NOAUTOEN); } } |