Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

[pandora-kernel.git] / arch / i386 / kernel / acpi / boot.c

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index f366772..447fa9e 100644 (file)
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -248,9 +248,7 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
 
        acpi_table_print_madt_entry(header);
 
-       /* no utility in registering a disabled processor */
-       if (processor->flags.enabled == 0)
-               return 0;
+       /* Register even disabled CPUs for cpu hotplug */
 
        x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
 
@@ -640,6 +638,13 @@ static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
                        return 0;
 
                pmtmr_ioport = fadt->xpm_tmr_blk.address;
+               /*
+                * "X" fields are optional extensions to the original V1.0
+                * fields, so we must selectively expand V1.0 fields if the
+                * corresponding X field is zero.
+                */
+               if (!pmtmr_ioport)
+                       pmtmr_ioport = fadt->V1_pm_tmr_blk;
        } else {
                /* FADT rev. 1 */
                pmtmr_ioport = fadt->V1_pm_tmr_blk;