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Diffstat (limited to 'arch/x86/kernel/devicetree.c')
-rw-r--r--arch/x86/kernel/devicetree.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 5cd51f25f446..28da5dd83fc0 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -31,11 +31,6 @@ char __initdata cmd_line[COMMAND_LINE_SIZE];
int __initdata of_ioapic;
-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- BUG();
-}
-
void __init add_dtb(u64 data)
{
initial_dtb = data + offsetof(struct setup_data, data);
@@ -167,7 +162,14 @@ static void __init dtb_lapic_setup(void)
return;
}
smp_found_config = 1;
- pic_mode = 1;
+ if (of_property_read_bool(dn, "intel,virtual-wire-mode")) {
+ pr_info("Virtual Wire compatibility mode.\n");
+ pic_mode = 0;
+ } else {
+ pr_info("IMCR and PIC compatibility mode.\n");
+ pic_mode = 1;
+ }
+
register_lapic_address(lapic_addr);
}
@@ -248,7 +250,7 @@ static void __init dtb_add_ioapic(struct device_node *dn)
ret = of_address_to_resource(dn, 0, &r);
if (ret) {
- printk(KERN_ERR "Can't obtain address from device node %pOF.\n", dn);
+ pr_err("Can't obtain address from device node %pOF.\n", dn);
return;
}
mp_register_ioapic(++ioapic_id, r.start, gsi_top, &cfg);
@@ -265,7 +267,7 @@ static void __init dtb_ioapic_setup(void)
of_ioapic = 1;
return;
}
- printk(KERN_ERR "Error: No information about IO-APIC in OF.\n");
+ pr_err("Error: No information about IO-APIC in OF.\n");
}
#else
static void __init dtb_ioapic_setup(void) {}