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-rw-r--r--arch/x86/kernel/apic/apic.c8
-rw-r--r--arch/x86/kernel/apic/io_apic.c65
-rw-r--r--arch/x86/kernel/apic/nmi.c2
-rw-r--r--arch/x86/kernel/apic/numaq_32.c1
4 files changed, 39 insertions, 37 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index dfca210..94f22b1 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1390,7 +1390,7 @@ void __init enable_IR_x2apic(void)
}
local_irq_save(flags);
- mask_8259A();
+ legacy_pic->mask_all();
mask_IO_APIC_setup(ioapic_entries);
if (dmar_table_init_ret)
@@ -1422,7 +1422,7 @@ void __init enable_IR_x2apic(void)
nox2apic:
if (!ret) /* IR enabling failed */
restore_IO_APIC_setup(ioapic_entries);
- unmask_8259A();
+ legacy_pic->restore_mask();
local_irq_restore(flags);
out:
@@ -2018,7 +2018,7 @@ static int lapic_resume(struct sys_device *dev)
}
mask_IO_APIC_setup(ioapic_entries);
- mask_8259A();
+ legacy_pic->mask_all();
}
if (x2apic_mode)
@@ -2062,7 +2062,7 @@ static int lapic_resume(struct sys_device *dev)
if (intr_remapping_enabled) {
reenable_intr_remapping(x2apic_mode);
- unmask_8259A();
+ legacy_pic->restore_mask();
restore_IO_APIC_setup(ioapic_entries);
free_ioapic_entries(ioapic_entries);
}
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9795898..b348543 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -143,12 +143,6 @@ static struct irq_cfg irq_cfgx[NR_IRQS_LEGACY];
static struct irq_cfg irq_cfgx[NR_IRQS];
#endif
-void __init io_apic_disable_legacy(void)
-{
- nr_legacy_irqs = 0;
- nr_irqs_gsi = 0;
-}
-
int __init arch_early_irq_init(void)
{
struct irq_cfg *cfg;
@@ -157,11 +151,18 @@ int __init arch_early_irq_init(void)
int node;
int i;
+ if (!legacy_pic->nr_legacy_irqs) {
+ nr_irqs_gsi = 0;
+ io_apic_irqs = ~0UL;
+ }
+
cfg = irq_cfgx;
count = ARRAY_SIZE(irq_cfgx);
node= cpu_to_node(boot_cpu_id);
for (i = 0; i < count; i++) {
+ if (i < legacy_pic->nr_legacy_irqs)
+ cfg[i].vector = IRQ0_VECTOR + i;
desc = irq_to_desc(i);
desc->chip_data = &cfg[i];
zalloc_cpumask_var_node(&cfg[i].domain, GFP_NOWAIT, node);
@@ -170,7 +171,7 @@ int __init arch_early_irq_init(void)
* For legacy IRQ's, start with assigning irq0 to irq15 to
* IRQ0_VECTOR to IRQ15_VECTOR on cpu 0.
*/
- if (i < nr_legacy_irqs) {
+ if (i < legacy_pic->nr_legacy_irqs) {
cfg[i].vector = IRQ0_VECTOR + i;
cpumask_set_cpu(0, cfg[i].domain);
}
@@ -852,7 +853,7 @@ static int __init find_isa_irq_apic(int irq, int type)
*/
static int EISA_ELCR(unsigned int irq)
{
- if (irq < nr_legacy_irqs) {
+ if (irq < legacy_pic->nr_legacy_irqs) {
unsigned int port = 0x4d0 + (irq >> 3);
return (inb(port) >> (irq & 7)) & 1;
}
@@ -1463,8 +1464,8 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
}
ioapic_register_intr(irq, desc, trigger);
- if (irq < nr_legacy_irqs)
- disable_8259A_irq(irq);
+ if (irq < legacy_pic->nr_legacy_irqs)
+ legacy_pic->chip->mask(irq);
ioapic_write_entry(apic_id, pin, entry);
}
@@ -1877,7 +1878,7 @@ __apicdebuginit(void) print_PIC(void)
unsigned int v;
unsigned long flags;
- if (!nr_legacy_irqs)
+ if (!legacy_pic->nr_legacy_irqs)
return;
printk(KERN_DEBUG "\nprinting PIC contents\n");
@@ -1961,7 +1962,7 @@ void __init enable_IO_APIC(void)
nr_ioapic_registers[apic] = reg_01.bits.entries+1;
}
- if (!nr_legacy_irqs)
+ if (!legacy_pic->nr_legacy_irqs)
return;
for(apic = 0; apic < nr_ioapics; apic++) {
@@ -2018,7 +2019,7 @@ void disable_IO_APIC(void)
*/
clear_IO_APIC();
- if (!nr_legacy_irqs)
+ if (!legacy_pic->nr_legacy_irqs)
return;
/*
@@ -2251,9 +2252,9 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
struct irq_cfg *cfg;
raw_spin_lock_irqsave(&ioapic_lock, flags);
- if (irq < nr_legacy_irqs) {
- disable_8259A_irq(irq);
- if (i8259A_irq_pending(irq))
+ if (irq < legacy_pic->nr_legacy_irqs) {
+ legacy_pic->chip->mask(irq);
+ if (legacy_pic->irq_pending(irq))
was_pending = 1;
}
cfg = irq_cfg(irq);
@@ -2786,8 +2787,8 @@ static inline void init_IO_APIC_traps(void)
* so default to an old-fashioned 8259
* interrupt if we can..
*/
- if (irq < nr_legacy_irqs)
- make_8259A_irq(irq);
+ if (irq < legacy_pic->nr_legacy_irqs)
+ legacy_pic->make_irq(irq);
else
/* Strange. Oh, well.. */
desc->chip = &no_irq_chip;
@@ -2944,7 +2945,7 @@ static inline void __init check_timer(void)
/*
* get/set the timer IRQ vector:
*/
- disable_8259A_irq(0);
+ legacy_pic->chip->mask(0);
assign_irq_vector(0, cfg, apic->target_cpus());
/*
@@ -2957,7 +2958,7 @@ static inline void __init check_timer(void)
* automatically.
*/
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
- init_8259A(1);
+ legacy_pic->init(1);
#ifdef CONFIG_X86_32
{
unsigned int ver;
@@ -3016,7 +3017,7 @@ static inline void __init check_timer(void)
if (timer_irq_works()) {
if (nmi_watchdog == NMI_IO_APIC) {
setup_nmi();
- enable_8259A_irq(0);
+ legacy_pic->chip->unmask(0);
}
if (disable_timer_pin_1 > 0)
clear_IO_APIC_pin(0, pin1);
@@ -3039,14 +3040,14 @@ static inline void __init check_timer(void)
*/
replace_pin_at_irq_node(cfg, node, apic1, pin1, apic2, pin2);
setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);
- enable_8259A_irq(0);
+ legacy_pic->chip->unmask(0);
if (timer_irq_works()) {
apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
timer_through_8259 = 1;
if (nmi_watchdog == NMI_IO_APIC) {
- disable_8259A_irq(0);
+ legacy_pic->chip->mask(0);
setup_nmi();
- enable_8259A_irq(0);
+ legacy_pic->chip->unmask(0);
}
goto out;
}
@@ -3054,7 +3055,7 @@ static inline void __init check_timer(void)
* Cleanup, just in case ...
*/
local_irq_disable();
- disable_8259A_irq(0);
+ legacy_pic->chip->mask(0);
clear_IO_APIC_pin(apic2, pin2);
apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
}
@@ -3073,22 +3074,22 @@ static inline void __init check_timer(void)
lapic_register_intr(0, desc);
apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */
- enable_8259A_irq(0);
+ legacy_pic->chip->unmask(0);
if (timer_irq_works()) {
apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
goto out;
}
local_irq_disable();
- disable_8259A_irq(0);
+ legacy_pic->chip->mask(0);
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");
apic_printk(APIC_QUIET, KERN_INFO
"...trying to set up timer as ExtINT IRQ...\n");
- init_8259A(0);
- make_8259A_irq(0);
+ legacy_pic->init(0);
+ legacy_pic->make_irq(0);
apic_write(APIC_LVT0, APIC_DM_EXTINT);
unlock_ExtINT_logic();
@@ -3130,7 +3131,7 @@ void __init setup_IO_APIC(void)
/*
* calling enable_IO_APIC() is moved to setup_local_APIC for BP
*/
- io_apic_irqs = nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
+ io_apic_irqs = legacy_pic->nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
/*
@@ -3141,7 +3142,7 @@ void __init setup_IO_APIC(void)
sync_Arb_IDs();
setup_IO_APIC_irqs();
init_IO_APIC_traps();
- if (nr_legacy_irqs)
+ if (legacy_pic->nr_legacy_irqs)
check_timer();
}
@@ -3910,7 +3911,7 @@ static int __io_apic_set_pci_routing(struct device *dev, int irq,
/*
* IRQs < 16 are already in the irq_2_pin[] map
*/
- if (irq >= nr_legacy_irqs) {
+ if (irq >= legacy_pic->nr_legacy_irqs) {
cfg = desc->chip_data;
if (add_pin_to_irq_node_nopanic(cfg, node, ioapic, pin)) {
printk(KERN_INFO "can not add pin %d for irq %d\n",
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c
index 24e7742..f72b5f0 100644
--- a/arch/x86/kernel/apic/nmi.c
+++ b/arch/x86/kernel/apic/nmi.c
@@ -177,7 +177,7 @@ int __init check_nmi_watchdog(void)
error:
if (nmi_watchdog == NMI_IO_APIC) {
if (!timer_through_8259)
- disable_8259A_irq(0);
+ legacy_pic->chip->mask(0);
on_each_cpu(__acpi_nmi_disable, NULL, 1);
}
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 98c4665..be5c4fd 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -277,6 +277,7 @@ static __init void early_check_numaq(void)
x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus;
x86_init.mpparse.mpc_oem_bus_info = mpc_oem_bus_info;
x86_init.timers.tsc_pre_init = numaq_tsc_init;
+ x86_init.pci.init = pci_numaq_init;
}
}
generated by cgit v1.1 at 2024-09-15 23:34:37 +0000