diff options
Diffstat (limited to 'arch/alpha/kernel')
| -rw-r--r-- | arch/alpha/kernel/.gitignore | 1 | ||||
| -rw-r--r-- | arch/alpha/kernel/irq_alpha.c | 29 | ||||
| -rw-r--r-- | arch/alpha/kernel/irq_i8259.c | 8 | ||||
| -rw-r--r-- | arch/alpha/kernel/irq_impl.h | 7 | ||||
| -rw-r--r-- | arch/alpha/kernel/irq_pyxis.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_alcor.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_cabriolet.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_eb64p.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_marvel.c | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_miata.c | 6 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_nautilus.c | 52 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_ruffian.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_rx164.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_sx164.c | 3 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_wildfire.c | 7 | ||||
| -rw-r--r-- | arch/alpha/kernel/syscalls/syscallhdr.sh | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/time.c | 6 |
17 files changed, 53 insertions, 88 deletions
diff --git a/arch/alpha/kernel/.gitignore b/arch/alpha/kernel/.gitignore index c5f676c3c224..bbb90f92d051 100644 --- a/arch/alpha/kernel/.gitignore +++ b/arch/alpha/kernel/.gitignore @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only vmlinux.lds diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c index da3e10d5f7fe..d17e44c99df9 100644 --- a/arch/alpha/kernel/irq_alpha.c +++ b/arch/alpha/kernel/irq_alpha.c @@ -213,32 +213,13 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr, * The special RTC interrupt type. The interrupt itself was * processed by PALcode, and comes in via entInt vector 1. */ - -struct irqaction timer_irqaction = { - .handler = rtc_timer_interrupt, - .name = "timer", -}; - void __init -init_rtc_irq(void) +init_rtc_irq(irq_handler_t handler) { irq_set_chip_and_handler_name(RTC_IRQ, &dummy_irq_chip, handle_percpu_irq, "RTC"); - setup_irq(RTC_IRQ, &timer_irqaction); + if (!handler) + handler = rtc_timer_interrupt; + if (request_irq(RTC_IRQ, handler, 0, "timer", NULL)) + pr_err("Failed to register timer interrupt\n"); } - -/* Dummy irqactions. */ -struct irqaction isa_cascade_irqaction = { - .handler = no_action, - .name = "isa-cascade" -}; - -struct irqaction timer_cascade_irqaction = { - .handler = no_action, - .name = "timer-cascade" -}; - -struct irqaction halt_switch_irqaction = { - .handler = no_action, - .name = "halt-switch" -}; diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c index 5d54c076a8ae..1dcf0d9038fd 100644 --- a/arch/alpha/kernel/irq_i8259.c +++ b/arch/alpha/kernel/irq_i8259.c @@ -82,11 +82,6 @@ struct irq_chip i8259a_irq_type = { void __init init_i8259a_irqs(void) { - static struct irqaction cascade = { - .handler = no_action, - .name = "cascade", - }; - long i; outb(0xff, 0x21); /* mask all of 8259A-1 */ @@ -96,7 +91,8 @@ init_i8259a_irqs(void) irq_set_chip_and_handler(i, &i8259a_irq_type, handle_level_irq); } - setup_irq(2, &cascade); + if (request_irq(2, no_action, 0, "cascade", NULL)) + pr_err("Failed to request irq 2 (cascade)\n"); } diff --git a/arch/alpha/kernel/irq_impl.h b/arch/alpha/kernel/irq_impl.h index 16f2b0276f3a..fbf21892e66d 100644 --- a/arch/alpha/kernel/irq_impl.h +++ b/arch/alpha/kernel/irq_impl.h @@ -21,14 +21,9 @@ extern void isa_no_iack_sc_device_interrupt(unsigned long); extern void srm_device_interrupt(unsigned long); extern void pyxis_device_interrupt(unsigned long); -extern struct irqaction timer_irqaction; -extern struct irqaction isa_cascade_irqaction; -extern struct irqaction timer_cascade_irqaction; -extern struct irqaction halt_switch_irqaction; - extern void init_srm_irqs(long, unsigned long); extern void init_pyxis_irqs(unsigned long); -extern void init_rtc_irq(void); +extern void init_rtc_irq(irq_handler_t handler); extern void common_init_isa_dma(void); diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c index a968b10e687d..27070b5bd33e 100644 --- a/arch/alpha/kernel/irq_pyxis.c +++ b/arch/alpha/kernel/irq_pyxis.c @@ -107,5 +107,6 @@ init_pyxis_irqs(unsigned long ignore_mask) irq_set_status_flags(i, IRQ_LEVEL); } - setup_irq(16+7, &isa_cascade_irqaction); + if (request_irq(16 + 7, no_action, 0, "isa-cascade", NULL)) + pr_err("Failed to register isa-cascade interrupt\n"); } diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c index e56efd5b855f..ce5430056f65 100644 --- a/arch/alpha/kernel/sys_alcor.c +++ b/arch/alpha/kernel/sys_alcor.c @@ -133,7 +133,8 @@ alcor_init_irq(void) init_i8259a_irqs(); common_init_isa_dma(); - setup_irq(16+31, &isa_cascade_irqaction); + if (request_irq(16 + 31, no_action, 0, "isa-cascade", NULL)) + pr_err("Failed to register isa-cascade interrupt\n"); } diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c index 10bc46a4ec40..0aa6a27d0e2f 100644 --- a/arch/alpha/kernel/sys_cabriolet.c +++ b/arch/alpha/kernel/sys_cabriolet.c @@ -112,7 +112,8 @@ common_init_irq(void (*srm_dev_int)(unsigned long v)) } common_init_isa_dma(); - setup_irq(16+4, &isa_cascade_irqaction); + if (request_irq(16 + 4, no_action, 0, "isa-cascade", NULL)) + pr_err("Failed to register isa-cascade interrupt\n"); } #ifndef CONFIG_ALPHA_PC164 diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c index 5251937ec1b4..1cdfe55fb987 100644 --- a/arch/alpha/kernel/sys_eb64p.c +++ b/arch/alpha/kernel/sys_eb64p.c @@ -123,7 +123,8 @@ eb64p_init_irq(void) } common_init_isa_dma(); - setup_irq(16+5, &isa_cascade_irqaction); + if (request_irq(16 + 5, no_action, 0, "isa-cascade", NULL)) + pr_err("Failed to register isa-cascade interrupt\n"); } /* diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c index 8d34cf6e002a..533899a4a1a1 100644 --- a/arch/alpha/kernel/sys_marvel.c +++ b/arch/alpha/kernel/sys_marvel.c @@ -397,7 +397,7 @@ marvel_init_pci(void) static void __init marvel_init_rtc(void) { - init_rtc_irq(); + init_rtc_irq(NULL); } static void diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c index 6fa07dc5339d..702292af2225 100644 --- a/arch/alpha/kernel/sys_miata.c +++ b/arch/alpha/kernel/sys_miata.c @@ -81,8 +81,10 @@ miata_init_irq(void) init_pyxis_irqs(0x63b0000); common_init_isa_dma(); - setup_irq(16+2, &halt_switch_irqaction); /* SRM only? */ - setup_irq(16+6, &timer_cascade_irqaction); + if (request_irq(16 + 2, no_action, 0, "halt-switch", NULL)) + pr_err("Failed to register halt-switch interrupt\n"); + if (request_irq(16 + 6, no_action, 0, "timer-cascade", NULL)) + pr_err("Failed to register timer-cascade interrupt\n"); } diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index cd9a112d67ff..32850e45834b 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -187,10 +187,6 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr) extern void pcibios_claim_one_bus(struct pci_bus *); -static struct resource irongate_io = { - .name = "Irongate PCI IO", - .flags = IORESOURCE_IO, -}; static struct resource irongate_mem = { .name = "Irongate PCI MEM", .flags = IORESOURCE_MEM, @@ -208,17 +204,19 @@ nautilus_init_pci(void) struct pci_controller *hose = hose_head; struct pci_host_bridge *bridge; struct pci_bus *bus; - struct pci_dev *irongate; unsigned long bus_align, bus_size, pci_mem; unsigned long memtop = max_low_pfn << PAGE_SHIFT; - int ret; bridge = pci_alloc_host_bridge(0); if (!bridge) return; + /* Use default IO. */ pci_add_resource(&bridge->windows, &ioport_resource); - pci_add_resource(&bridge->windows, &iomem_resource); + /* Irongate PCI memory aperture, calculate requred size before + setting it up. */ + pci_add_resource(&bridge->windows, &irongate_mem); + pci_add_resource(&bridge->windows, &busn_resource); bridge->dev.parent = NULL; bridge->sysdata = hose; @@ -226,59 +224,49 @@ nautilus_init_pci(void) bridge->ops = alpha_mv.pci_ops; bridge->swizzle_irq = alpha_mv.pci_swizzle; bridge->map_irq = alpha_mv.pci_map_irq; + bridge->size_windows = 1; /* Scan our single hose. */ - ret = pci_scan_root_bus_bridge(bridge); - if (ret) { + if (pci_scan_root_bus_bridge(bridge)) { pci_free_host_bridge(bridge); return; } - bus = hose->bus = bridge->bus; pcibios_claim_one_bus(bus); - irongate = pci_get_domain_bus_and_slot(pci_domain_nr(bus), 0, 0); - bus->self = irongate; - bus->resource[0] = &irongate_io; - bus->resource[1] = &irongate_mem; - pci_bus_size_bridges(bus); - /* IO port range. */ - bus->resource[0]->start = 0; - bus->resource[0]->end = 0xffff; - - /* Set up PCI memory range - limit is hardwired to 0xffffffff, - base must be at aligned to 16Mb. */ - bus_align = bus->resource[1]->start; - bus_size = bus->resource[1]->end + 1 - bus_align; + /* Now we've got the size and alignment of PCI memory resources + stored in irongate_mem. Set up the PCI memory range: limit is + hardwired to 0xffffffff, base must be aligned to 16Mb. */ + bus_align = irongate_mem.start; + bus_size = irongate_mem.end + 1 - bus_align; if (bus_align < 0x1000000UL) bus_align = 0x1000000UL; pci_mem = (0x100000000UL - bus_size) & -bus_align; + irongate_mem.start = pci_mem; + irongate_mem.end = 0xffffffffUL; - bus->resource[1]->start = pci_mem; - bus->resource[1]->end = 0xffffffffUL; - if (request_resource(&iomem_resource, bus->resource[1]) < 0) + /* Register our newly calculated PCI memory window in the resource + tree. */ + if (request_resource(&iomem_resource, &irongate_mem) < 0) printk(KERN_ERR "Failed to request MEM on hose 0\n"); + printk(KERN_INFO "Irongate pci_mem %pR\n", &irongate_mem); + if (pci_mem < memtop) memtop = pci_mem; if (memtop > alpha_mv.min_mem_address) { free_reserved_area(__va(alpha_mv.min_mem_address), __va(memtop), -1, NULL); - printk("nautilus_init_pci: %ldk freed\n", + printk(KERN_INFO "nautilus_init_pci: %ldk freed\n", (memtop - alpha_mv.min_mem_address) >> 10); } - if ((IRONGATE0->dev_vendor >> 16) > 0x7006) /* Albacore? */ IRONGATE0->pci_mem = pci_mem; pci_bus_assign_resources(bus); - - /* pci_common_swizzle() relies on bus->self being NULL - for the root bus, so just clear it. */ - bus->self = NULL; pci_bus_add_devices(bus); } diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c index 07830cccabf9..d33074011960 100644 --- a/arch/alpha/kernel/sys_ruffian.c +++ b/arch/alpha/kernel/sys_ruffian.c @@ -82,7 +82,8 @@ ruffian_init_rtc(void) outb(0x31, 0x42); outb(0x13, 0x42); - setup_irq(0, &timer_irqaction); + if (request_irq(0, rtc_timer_interrupt, 0, "timer", NULL)) + pr_err("Failed to request irq 0 (timer)\n"); } static void diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c index a3db719d3c38..4d85eaeb44aa 100644 --- a/arch/alpha/kernel/sys_rx164.c +++ b/arch/alpha/kernel/sys_rx164.c @@ -106,7 +106,8 @@ rx164_init_irq(void) init_i8259a_irqs(); common_init_isa_dma(); - setup_irq(16+20, &isa_cascade_irqaction); + if (request_irq(16 + 20, no_action, 0, "isa-cascade", NULL)) + pr_err("Failed to register isa-cascade interrupt\n"); } diff --git a/arch/alpha/kernel/sys_sx164.c b/arch/alpha/kernel/sys_sx164.c index 1ec638a2746a..17cc203176c8 100644 --- a/arch/alpha/kernel/sys_sx164.c +++ b/arch/alpha/kernel/sys_sx164.c @@ -54,7 +54,8 @@ sx164_init_irq(void) else init_pyxis_irqs(0xff00003f0000UL); - setup_irq(16+6, &timer_cascade_irqaction); + if (request_irq(16 + 6, no_action, 0, "timer-cascade", NULL)) + pr_err("Failed to register timer-cascade interrupt\n"); } /* diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c index 8e64052811ab..2191bde161fd 100644 --- a/arch/alpha/kernel/sys_wildfire.c +++ b/arch/alpha/kernel/sys_wildfire.c @@ -156,10 +156,6 @@ static void __init wildfire_init_irq_per_pca(int qbbno, int pcano) { int i, irq_bias; - static struct irqaction isa_enable = { - .handler = no_action, - .name = "isa_enable", - }; irq_bias = qbbno * (WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA) + pcano * WILDFIRE_IRQ_PER_PCA; @@ -198,7 +194,8 @@ wildfire_init_irq_per_pca(int qbbno, int pcano) irq_set_status_flags(i + irq_bias, IRQ_LEVEL); } - setup_irq(32+irq_bias, &isa_enable); + if (request_irq(32 + irq_bias, no_action, 0, "isa_enable", NULL)) + pr_err("Failed to register isa_enable interrupt\n"); } static void __init diff --git a/arch/alpha/kernel/syscalls/syscallhdr.sh b/arch/alpha/kernel/syscalls/syscallhdr.sh index e5b99bd2e5e7..1780e861492a 100644 --- a/arch/alpha/kernel/syscalls/syscallhdr.sh +++ b/arch/alpha/kernel/syscalls/syscallhdr.sh @@ -32,5 +32,5 @@ grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( printf "#define __NR_syscalls\t%s\n" "${nxt}" printf "#endif\n" printf "\n" - printf "#endif /* %s */" "${fileguard}" + printf "#endif /* %s */\n" "${fileguard}" ) > "$out" diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index 0069360697ee..4d01c392ab14 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -242,7 +242,7 @@ common_init_rtc(void) outb(0x31, 0x42); outb(0x13, 0x42); - init_rtc_irq(); + init_rtc_irq(NULL); } @@ -396,9 +396,7 @@ time_init(void) if (alpha_using_qemu) { clocksource_register_hz(&qemu_cs, NSEC_PER_SEC); init_qemu_clockevent(); - - timer_irqaction.handler = qemu_timer_interrupt; - init_rtc_irq(); + init_rtc_irq(qemu_timer_interrupt); return; } |