ACPICA: minimal patch to integrate new tables into Linux

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 12 insertions, 13 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 766332e45592..cb807c43e59b 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -44,9 +44,6 @@ ACPI_MODULE_NAME("acpi_bus")
 extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
 #endif
 
-struct fadt_descriptor acpi_fadt;
-EXPORT_SYMBOL(acpi_fadt);
-
 struct acpi_device *acpi_root;
 struct proc_dir_entry *acpi_root_dir;
 EXPORT_SYMBOL(acpi_root_dir);
@@ -582,11 +579,12 @@ static int __init acpi_bus_init_irq(void)
         return 0;
 }
 
+acpi_native_uint acpi_gbl_permanent_mmap;
+
+
 void __init acpi_early_init(void)
 {
         acpi_status status = AE_OK;
-        struct acpi_buffer buffer = { sizeof(acpi_fadt), &acpi_fadt };
-
 
         if (acpi_disabled)
                 return;
@@ -597,6 +595,15 @@ void __init acpi_early_init(void)
         if (!acpi_strict)
                 acpi_gbl_enable_interpreter_slack = TRUE;
 
+        acpi_gbl_permanent_mmap = 1;
+
+        status = acpi_reallocate_root_table();
+        if (ACPI_FAILURE(status)) {
+                printk(KERN_ERR PREFIX
+                       "Unable to reallocate ACPI tables\n");
+                goto error0;
+        }
+
         status = acpi_initialize_subsystem();
         if (ACPI_FAILURE(status)) {
                 printk(KERN_ERR PREFIX
@@ -611,14 +618,6 @@ void __init acpi_early_init(void)
                 goto error0;
         }
 
-        /*
-         * Get a separate copy of the FADT for use by other drivers.
-         */
-        status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &buffer);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR PREFIX "Unable to get the FADT\n");
-                goto error0;
-        }
 #ifdef CONFIG_X86
         if (!acpi_ioapic) {
                 extern acpi_interrupt_flags acpi_sci_flags;