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Diffstat (limited to 'arch/x86/kernel/devicetree.c')
-rw-r--r--arch/x86/kernel/devicetree.c45
1 files changed, 20 insertions, 25 deletions
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 8d85e00bb40a..5cd51f25f446 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -20,6 +20,7 @@
#include <asm/irqdomain.h>
#include <asm/hpet.h>
#include <asm/apic.h>
+#include <asm/io_apic.h>
#include <asm/pci_x86.h>
#include <asm/setup.h>
#include <asm/i8259.h>
@@ -30,11 +31,6 @@ char __initdata cmd_line[COMMAND_LINE_SIZE];
int __initdata of_ioapic;
-void __init early_init_dt_scan_chosen_arch(unsigned long node)
-{
- BUG();
-}
-
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
BUG();
@@ -138,12 +134,11 @@ static void __init dtb_cpu_setup(void)
{
struct device_node *dn;
u32 apic_id, version;
- int ret;
version = GET_APIC_VERSION(apic_read(APIC_LVR));
for_each_of_cpu_node(dn) {
- ret = of_property_read_u32(dn, "reg", &apic_id);
- if (ret < 0) {
+ apic_id = of_get_cpu_hwid(dn, 0);
+ if (apic_id == ~0U) {
pr_warn("%pOF: missing local APIC ID\n", dn);
continue;
}
@@ -183,31 +178,31 @@ static unsigned int ioapic_id;
struct of_ioapic_type {
u32 out_type;
- u32 trigger;
- u32 polarity;
+ u32 is_level;
+ u32 active_low;
};
static struct of_ioapic_type of_ioapic_type[] =
{
{
- .out_type = IRQ_TYPE_EDGE_RISING,
- .trigger = IOAPIC_EDGE,
- .polarity = 1,
+ .out_type = IRQ_TYPE_EDGE_FALLING,
+ .is_level = 0,
+ .active_low = 1,
},
{
- .out_type = IRQ_TYPE_LEVEL_LOW,
- .trigger = IOAPIC_LEVEL,
- .polarity = 0,
+ .out_type = IRQ_TYPE_LEVEL_HIGH,
+ .is_level = 1,
+ .active_low = 0,
},
{
- .out_type = IRQ_TYPE_LEVEL_HIGH,
- .trigger = IOAPIC_LEVEL,
- .polarity = 1,
+ .out_type = IRQ_TYPE_LEVEL_LOW,
+ .is_level = 1,
+ .active_low = 1,
},
{
- .out_type = IRQ_TYPE_EDGE_FALLING,
- .trigger = IOAPIC_EDGE,
- .polarity = 0,
+ .out_type = IRQ_TYPE_EDGE_RISING,
+ .is_level = 0,
+ .active_low = 0,
},
};
@@ -227,9 +222,9 @@ static int dt_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
return -EINVAL;
it = &of_ioapic_type[type_index];
- ioapic_set_alloc_attr(&tmp, NUMA_NO_NODE, it->trigger, it->polarity);
- tmp.ioapic_id = mpc_ioapic_id(mp_irqdomain_ioapic_idx(domain));
- tmp.ioapic_pin = fwspec->param[0];
+ ioapic_set_alloc_attr(&tmp, NUMA_NO_NODE, it->is_level, it->active_low);
+ tmp.devid = mpc_ioapic_id(mp_irqdomain_ioapic_idx(domain));
+ tmp.ioapic.pin = fwspec->param[0];
return mp_irqdomain_alloc(domain, virq, nr_irqs, &tmp);
}