5 files changed, 48 insertions, 51 deletions

diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index 919037d6acff..6b4bc99b1c2c 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -70,13 +70,6 @@ acpi_status acpi_ev_initialize_events(void)
 
         ACPI_FUNCTION_TRACE(ev_initialize_events);
 
-        /* Make sure we have ACPI tables */
-
-        if (!acpi_gbl_DSDT) {
-                ACPI_WARNING((AE_INFO, "No ACPI tables present!"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
         /*
          * Initialize the Fixed and General Purpose Events. This is done prior to
          * enabling SCIs to prevent interrupts from occurring before the handlers are
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 95ddeb48bc0f..bb0eb50cd28f 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -529,7 +529,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
 
         /* Install new interrupt handler if not SCI_INT */
 
-        if (interrupt_number != acpi_gbl_FADT->sci_int) {
+        if (interrupt_number != acpi_gbl_FADT.sci_interrupt) {
                 status = acpi_os_install_interrupt_handler(interrupt_number,
                                                            acpi_ev_gpe_xrupt_handler,
                                                            gpe_xrupt);
@@ -567,7 +567,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
 
         /* We never want to remove the SCI interrupt handler */
 
-        if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
+        if (gpe_xrupt->interrupt_number == acpi_gbl_FADT.sci_interrupt) {
                 gpe_xrupt->gpe_block_list_head = NULL;
                 return_ACPI_STATUS(AE_OK);
         }
@@ -803,17 +803,17 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
                                    (gpe_block->block_address.address
                                     + i + gpe_block->register_count));
 
-                this_register->status_address.address_space_id =
-                    gpe_block->block_address.address_space_id;
-                this_register->enable_address.address_space_id =
-                    gpe_block->block_address.address_space_id;
-                this_register->status_address.register_bit_width =
+                this_register->status_address.space_id =
+                    gpe_block->block_address.space_id;
+                this_register->enable_address.space_id =
+                    gpe_block->block_address.space_id;
+                this_register->status_address.bit_width =
                     ACPI_GPE_REGISTER_WIDTH;
-                this_register->enable_address.register_bit_width =
+                this_register->enable_address.bit_width =
                     ACPI_GPE_REGISTER_WIDTH;
-                this_register->status_address.register_bit_offset =
+                this_register->status_address.bit_offset =
                     ACPI_GPE_REGISTER_WIDTH;
-                this_register->enable_address.register_bit_offset =
+                this_register->enable_address.bit_offset =
                     ACPI_GPE_REGISTER_WIDTH;
 
                 /* Init the event_info for each GPE within this register */
@@ -1109,11 +1109,12 @@ acpi_status acpi_ev_gpe_initialize(void)
          * If EITHER the register length OR the block address are zero, then that
          * particular block is not supported.
          */
-        if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) {
+        if (acpi_gbl_FADT.gpe0_block_length &&
+            acpi_gbl_FADT.xgpe0_block.address) {
 
                 /* GPE block 0 exists (has both length and address > 0) */
 
-                register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
+                register_count0 = (u16) (acpi_gbl_FADT.gpe0_block_length / 2);
 
                 gpe_number_max =
                     (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
@@ -1121,9 +1122,9 @@ acpi_status acpi_ev_gpe_initialize(void)
                 /* Install GPE Block 0 */
 
                 status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
-                                                  &acpi_gbl_FADT->xgpe0_blk,
+                                                  &acpi_gbl_FADT.xgpe0_block,
                                                   register_count0, 0,
-                                                  acpi_gbl_FADT->sci_int,
+                                                  acpi_gbl_FADT.sci_interrupt,
                                                   &acpi_gbl_gpe_fadt_blocks[0]);
 
                 if (ACPI_FAILURE(status)) {
@@ -1132,20 +1133,21 @@ acpi_status acpi_ev_gpe_initialize(void)
                 }
         }
 
-        if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) {
+        if (acpi_gbl_FADT.gpe1_block_length &&
+            acpi_gbl_FADT.xgpe1_block.address) {
 
                 /* GPE block 1 exists (has both length and address > 0) */
 
-                register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
+                register_count1 = (u16) (acpi_gbl_FADT.gpe1_block_length / 2);
 
                 /* Check for GPE0/GPE1 overlap (if both banks exist) */
 
                 if ((register_count0) &&
-                    (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
+                    (gpe_number_max >= acpi_gbl_FADT.gpe1_base)) {
                         ACPI_ERROR((AE_INFO,
                                     "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1",
-                                    gpe_number_max, acpi_gbl_FADT->gpe1_base,
-                                    acpi_gbl_FADT->gpe1_base +
+                                    gpe_number_max, acpi_gbl_FADT.gpe1_base,
+                                    acpi_gbl_FADT.gpe1_base +
                                     ((register_count1 *
                                       ACPI_GPE_REGISTER_WIDTH) - 1)));
 
@@ -1157,10 +1159,11 @@ acpi_status acpi_ev_gpe_initialize(void)
 
                         status =
                             acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
-                                                     &acpi_gbl_FADT->xgpe1_blk,
+                                                     &acpi_gbl_FADT.xgpe1_block,
                                                      register_count1,
-                                                     acpi_gbl_FADT->gpe1_base,
-                                                     acpi_gbl_FADT->sci_int,
+                                                     acpi_gbl_FADT.gpe1_base,
+                                                     acpi_gbl_FADT.
+                                                     sci_interrupt,
                                                      &acpi_gbl_gpe_fadt_blocks
                                                      [1]);
 
@@ -1173,7 +1176,7 @@ acpi_status acpi_ev_gpe_initialize(void)
                          * GPE0 and GPE1 do not have to be contiguous in the GPE number
                          * space. However, GPE0 always starts at GPE number zero.
                          */
-                        gpe_number_max = acpi_gbl_FADT->gpe1_base +
+                        gpe_number_max = acpi_gbl_FADT.gpe1_base +
                             ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
                 }
         }
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 00f33ed4c12e..21449f36b5f8 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -63,6 +63,10 @@ static const char *acpi_notify_value_names[] = {
 };
 #endif
 
+/* Pointer to FACS needed for the Global Lock */
+
+static struct acpi_table_facs *facs = NULL;
+
 /* Local prototypes */
 
 static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context);
@@ -306,7 +310,7 @@ static u32 acpi_ev_global_lock_handler(void *context)
          * If we don't get it now, it will be marked pending and we will
          * take another interrupt when it becomes free.
          */
-        ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
+        ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired);
         if (acquired) {
 
                 /* Got the lock, now wake all threads waiting for it */
@@ -342,6 +346,13 @@ acpi_status acpi_ev_init_global_lock_handler(void)
 
         ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
 
+        status =
+            acpi_get_table(ACPI_SIG_FACS, 0,
+                           (struct acpi_table_header **)&facs);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         acpi_gbl_global_lock_present = TRUE;
         status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
                                                   acpi_ev_global_lock_handler,
@@ -414,7 +425,7 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
 
         /* Attempt to acquire the actual hardware lock */
 
-        ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
+        ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired);
         if (acquired) {
 
                 /* We got the lock */
@@ -438,6 +449,7 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
          */
         status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
                                                ACPI_WAIT_FOREVER);
+
         return_ACPI_STATUS(status);
 }
 
@@ -472,8 +484,7 @@ acpi_status acpi_ev_release_global_lock(void)
 
                 /* Allow any thread to release the lock */
 
-                ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock,
-                                         pending);
+                ACPI_RELEASE_GLOBAL_LOCK(facs, pending);
 
                 /*
                  * If the pending bit was set, we must write GBL_RLS to the control
diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c
index 8106215ad554..d7680ac684a6 100644
--- a/drivers/acpi/events/evsci.c
+++ b/drivers/acpi/events/evsci.c
@@ -142,9 +142,10 @@ u32 acpi_ev_install_sci_handler(void)
 
         ACPI_FUNCTION_TRACE(ev_install_sci_handler);
 
-        status = acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT->sci_int,
-                                                   acpi_ev_sci_xrupt_handler,
-                                                   acpi_gbl_gpe_xrupt_list_head);
+        status =
+            acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
+                                              acpi_ev_sci_xrupt_handler,
+                                              acpi_gbl_gpe_xrupt_list_head);
         return_ACPI_STATUS(status);
 }
 
@@ -175,8 +176,9 @@ acpi_status acpi_ev_remove_sci_handler(void)
 
         /* Just let the OS remove the handler and disable the level */
 
-        status = acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT->sci_int,
-                                                  acpi_ev_sci_xrupt_handler);
+        status =
+            acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
+                                             acpi_ev_sci_xrupt_handler);
 
         return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index 7ebc2efac936..91e5f5b53a97 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -65,13 +65,6 @@ acpi_status acpi_enable(void)
 
         ACPI_FUNCTION_TRACE(acpi_enable);
 
-        /* Make sure we have the FADT */
-
-        if (!acpi_gbl_FADT) {
-                ACPI_WARNING((AE_INFO, "No FADT information present!"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
         if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
                                   "System is already in ACPI mode\n"));
@@ -111,11 +104,6 @@ acpi_status acpi_disable(void)
 
         ACPI_FUNCTION_TRACE(acpi_disable);
 
-        if (!acpi_gbl_FADT) {
-                ACPI_WARNING((AE_INFO, "No FADT information present!"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
         if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
                                   "System is already in legacy (non-ACPI) mode\n"));