Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull ACPI and power management fixes from Len Brown:
 "A 3.3 sleep regression fixed, numa bugfix, plus some minor cleanups"

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  ACPI processor: Fix tick_broadcast_mask online/offline regression
  ACPI: Only count valid srat memory structures
  ACPI: Untangle a return statement for better readability
  ACPI / PCI: Do not try to acquire _OSC control if that is hopeless
  ACPI: delete _GTS/_BFS support
  ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler'
  ACPI: replace strlen("string") with sizeof("string") -1
  ACPI / PM: Fix build warning in sleep.c for CONFIG_ACPI_SLEEP unset

18 files changed, 73 insertions, 146 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 6f38b6120d96bc..440578850ae52b 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -497,7 +497,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 	srat_num_cpus++;
 }
 
-void __init
+int __init
 acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
 	unsigned long paddr, size;
@@ -512,7 +512,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 
 	/* Ignore disabled entries */
 	if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
-		return;
+		return -1;
 
 	/* record this node in proximity bitmap */
 	pxm_bit_set(pxm);
@@ -531,6 +531,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 	p->size = size;
 	p->nid = pxm;
 	num_node_memblks++;
+	return 0;
 }
 
 void __init acpi_numa_arch_fixup(void)
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 95bf99de905812..1b8e5a03d94243 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -25,10 +25,6 @@ unsigned long acpi_realmode_flags;
 static char temp_stack[4096];
 #endif
 
-asmlinkage void acpi_enter_s3(void)
-{
-	acpi_enter_sleep_state(3, wake_sleep_flags);
-}
 /**
  * acpi_suspend_lowlevel - save kernel state
  *
diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h
index 5653a5791ec922..67f59f8c695651 100644
--- a/arch/x86/kernel/acpi/sleep.h
+++ b/arch/x86/kernel/acpi/sleep.h
@@ -2,7 +2,6 @@
  *	Variables and functions used by the code in sleep.c
  */
 
-#include <linux/linkage.h>
 #include <asm/realmode.h>
 
 extern unsigned long saved_video_mode;
@@ -11,7 +10,6 @@ extern long saved_magic;
 extern int wakeup_pmode_return;
 
 extern u8 wake_sleep_flags;
-extern asmlinkage void acpi_enter_s3(void);
 
 extern unsigned long acpi_copy_wakeup_routine(unsigned long);
 extern void wakeup_long64(void);
diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index 72610839f03b3d..13ab720573e3e3 100644
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -74,7 +74,9 @@ restore_registers:
 ENTRY(do_suspend_lowlevel)
 	call	save_processor_state
 	call	save_registers
-	call	acpi_enter_s3
+	pushl	$3
+	call	acpi_enter_sleep_state
+	addl	$4, %esp
 
 #	In case of S3 failure, we'll emerge here.  Jump
 # 	to ret_point to recover
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index 014d1d28c39707..8ea5164cbd0451 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -71,7 +71,9 @@ ENTRY(do_suspend_lowlevel)
 	movq	%rsi, saved_rsi
 
 	addq	$8, %rsp
-	call	acpi_enter_s3
+	movl	$3, %edi
+	xorl	%eax, %eax
+	call	acpi_enter_sleep_state
 	/* in case something went wrong, restore the machine status and go on */
 	jmp	resume_point
 
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 4599c3e8bcb63f..4ddf497ca65bea 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -142,23 +142,23 @@ static inline int save_add_info(void) {return 0;}
 #endif
 
 /* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
-void __init
+int __init
 acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
 	u64 start, end;
 	int node, pxm;
 
 	if (srat_disabled())
-		return;
+		return -1;
 	if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) {
 		bad_srat();
-		return;
+		return -1;
 	}
 	if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
-		return;
+		return -1;
 
 	if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info())
-		return;
+		return -1;
 	start = ma->base_address;
 	end = start + ma->length;
 	pxm = ma->proximity_domain;
@@ -168,12 +168,12 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 	if (node < 0) {
 		printk(KERN_ERR "SRAT: Too many proximity domains.\n");
 		bad_srat();
-		return;
+		return -1;
 	}
 
 	if (numa_add_memblk(node, start, end) < 0) {
 		bad_srat();
-		return;
+		return -1;
 	}
 
 	node_set(node, numa_nodes_parsed);
@@ -181,6 +181,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 	printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n",
 	       node, pxm,
 	       (unsigned long long) start, (unsigned long long) end - 1);
+	return 0;
 }
 
 void __init acpi_numa_arch_fixup(void) {}
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 5ccb99ae3a6fae..5de4ec72766d65 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -83,22 +83,22 @@ acpi_status acpi_hw_clear_acpi_status(void);
 /*
  * hwsleep - sleep/wake support (Legacy sleep registers)
  */
-acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags);
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
 
-acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags);
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
 
-acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags);
+acpi_status acpi_hw_legacy_wake(u8 sleep_state);
 
 /*
  * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
  */
 void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument);
 
-acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags);
+acpi_status acpi_hw_extended_sleep(u8 sleep_state);
 
-acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags);
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
 
-acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags);
+acpi_status acpi_hw_extended_wake(u8 sleep_state);
 
 /*
  * hwvalid - Port I/O with validation
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c
index 48518dac534230..94996f9ae3ad16 100644
--- a/drivers/acpi/acpica/hwesleep.c
+++ b/drivers/acpi/acpica/hwesleep.c
@@ -90,7 +90,6 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
  * FUNCTION:    acpi_hw_extended_sleep
  *
  * PARAMETERS:  sleep_state         - Which sleep state to enter
- *              flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -100,7 +99,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
  *
  ******************************************************************************/
 
-acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags)
+acpi_status acpi_hw_extended_sleep(u8 sleep_state)
 {
 	acpi_status status;
 	u8 sleep_type_value;
@@ -125,12 +124,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags)
 
 	acpi_gbl_system_awake_and_running = FALSE;
 
-	/* Optionally execute _GTS (Going To Sleep) */
-
-	if (flags & ACPI_EXECUTE_GTS) {
-		acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
-	}
-
 	/* Flush caches, as per ACPI specification */
 
 	ACPI_FLUSH_CPU_CACHE();
@@ -172,7 +165,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags)
  * FUNCTION:    acpi_hw_extended_wake_prep
  *
  * PARAMETERS:  sleep_state         - Which sleep state we just exited
- *              flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
@@ -181,7 +173,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags)
  *
  ******************************************************************************/
 
-acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags)
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
 {
 	acpi_status status;
 	u8 sleep_type_value;
@@ -200,11 +192,6 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags)
 				 &acpi_gbl_FADT.sleep_control);
 	}
 
-	/* Optionally execute _BFS (Back From Sleep) */
-
-	if (flags & ACPI_EXECUTE_BFS) {
-		acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
-	}
 	return_ACPI_STATUS(AE_OK);
 }
 
@@ -222,7 +209,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags)
  *
  ******************************************************************************/
 
-acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags)
+acpi_status acpi_hw_extended_wake(u8 sleep_state)
 {
 	ACPI_FUNCTION_TRACE(hw_extended_wake);
 
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 9960fe9ef5334f..3fddde056a5e17 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -56,7 +56,6 @@ ACPI_MODULE_NAME("hwsleep")
  * FUNCTION:    acpi_hw_legacy_sleep
  *
  * PARAMETERS:  sleep_state         - Which sleep state to enter
- *              flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -64,7 +63,7 @@ ACPI_MODULE_NAME("hwsleep")
  *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
  *
  ******************************************************************************/
-acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
 {
 	struct acpi_bit_register_info *sleep_type_reg_info;
 	struct acpi_bit_register_info *sleep_enable_reg_info;
@@ -110,12 +109,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
 		return_ACPI_STATUS(status);
 	}
 
-	/* Optionally execute _GTS (Going To Sleep) */
-
-	if (flags & ACPI_EXECUTE_GTS) {
-		acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
-	}
-
 	/* Get current value of PM1A control */
 
 	status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
@@ -214,7 +207,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
  * FUNCTION:    acpi_hw_legacy_wake_prep
  *
  * PARAMETERS:  sleep_state         - Which sleep state we just exited
- *              flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
@@ -224,7 +216,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
  *
  ******************************************************************************/
 
-acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
 {
 	acpi_status status;
 	struct acpi_bit_register_info *sleep_type_reg_info;
@@ -275,11 +267,6 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
 		}
 	}
 
-	/* Optionally execute _BFS (Back From Sleep) */
-
-	if (flags & ACPI_EXECUTE_BFS) {
-		acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
-	}
 	return_ACPI_STATUS(status);
 }
 
@@ -288,7 +275,6 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
  * FUNCTION:    acpi_hw_legacy_wake
  *
  * PARAMETERS:  sleep_state         - Which sleep state we just exited
- *              flags               - Reserved, set to zero
  *
  * RETURN:      Status
  *
@@ -297,7 +283,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
  *
  ******************************************************************************/
 
-acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags)
+acpi_status acpi_hw_legacy_wake(u8 sleep_state)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index f8684bfe79079b..1f165a750ae287 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("hwxfsleep")
 
 /* Local prototypes */
 static acpi_status
-acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id);
+acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id);
 
 /*
  * Dispatch table used to efficiently branch to the various sleep
@@ -235,7 +235,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
  *
  ******************************************************************************/
 static acpi_status
-acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id)
+acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id)
 {
 	acpi_status status;
 	struct acpi_sleep_functions *sleep_functions =
@@ -248,11 +248,11 @@ acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id)
 	 * use the extended sleep registers
 	 */
 	if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) {
-		status = sleep_functions->extended_function(sleep_state, flags);
+		status = sleep_functions->extended_function(sleep_state);
 	} else {
 		/* Legacy sleep */
 
-		status = sleep_functions->legacy_function(sleep_state, flags);
+		status = sleep_functions->legacy_function(sleep_state);
 	}
 
 	return (status);
@@ -262,7 +262,7 @@ acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id)
 	 * For the case where reduced-hardware-only code is being generated,
 	 * we know that only the extended sleep registers are available
 	 */
-	status = sleep_functions->extended_function(sleep_state, flags);
+	status = sleep_functions->extended_function(sleep_state);
 	return (status);
 
 #endif				/* !ACPI_REDUCED_HARDWARE */
@@ -349,7 +349,6 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
  * FUNCTION:    acpi_enter_sleep_state
  *
  * PARAMETERS:  sleep_state         - Which sleep state to enter
- *              flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -357,7 +356,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
  *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
  *
  ******************************************************************************/
-acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags)
+acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 {
 	acpi_status status;
 
@@ -371,7 +370,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags)
 	}
 
 	status =
-	    acpi_hw_sleep_dispatch(sleep_state, flags, ACPI_SLEEP_FUNCTION_ID);
+	    acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION_ID);
 	return_ACPI_STATUS(status);
 }
 
@@ -391,14 +390,14 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
  *              Called with interrupts DISABLED.
  *
  ******************************************************************************/
-acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags)
+acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
 {
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep);
 
 	status =
-	    acpi_hw_sleep_dispatch(sleep_state, flags,
+	    acpi_hw_sleep_dispatch(sleep_state,
 				   ACPI_WAKE_PREP_FUNCTION_ID);
 	return_ACPI_STATUS(status);
 }
@@ -423,8 +422,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
 
 	ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
 
-
-	status = acpi_hw_sleep_dispatch(sleep_state, 0, ACPI_WAKE_FUNCTION_ID);
+	status = acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_FUNCTION_ID);
 	return_ACPI_STATUS(status);
 }
 
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index e56f3be7b07d36..cb31298ca684f5 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -237,6 +237,8 @@ acpi_parse_processor_affinity(struct acpi_subtable_header *header,
 	return 0;
 }
 
+static int __initdata parsed_numa_memblks;
+
 static int __init
 acpi_parse_memory_affinity(struct acpi_subtable_header * header,
 			   const unsigned long end)
@@ -250,8 +252,8 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header,
 	acpi_table_print_srat_entry(header);
 
 	/* let architecture-dependent part to do it */
-	acpi_numa_memory_affinity_init(memory_affinity);
-
+	if (!acpi_numa_memory_affinity_init(memory_affinity))
+		parsed_numa_memblks++;
 	return 0;
 }
 
@@ -304,8 +306,10 @@ int __init acpi_numa_init(void)
 
 	acpi_numa_arch_fixup();
 
-	if (cnt <= 0)
-		return cnt ?: -ENOENT;
+	if (cnt < 0)
+		return cnt;
+	else if (!parsed_numa_memblks)
+		return -ENOENT;
 	return 0;
 }
 
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index ec54014c321c5f..72a2c98bc4298e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -573,8 +573,15 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 			OSC_CLOCK_PWR_CAPABILITY_SUPPORT;
 	if (pci_msi_enabled())
 		flags |= OSC_MSI_SUPPORT;
-	if (flags != base_flags)
-		acpi_pci_osc_support(root, flags);
+	if (flags != base_flags) {
+		status = acpi_pci_osc_support(root, flags);
+		if (ACPI_FAILURE(status)) {
+			dev_info(root->bus->bridge, "ACPI _OSC support "
+				"notification failed, disabling PCIe ASPM\n");
+			pcie_no_aspm();
+			flags = base_flags;
+		}
+	}
 
 	if (!pcie_ports_disabled
 	    && (flags & ACPI_PCIE_REQ_SUPPORT) == ACPI_PCIE_REQ_SUPPORT) {
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index ff8e04f2fab40e..bfc31cb0dd3eac 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -437,7 +437,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb,
 		/* Normal CPU soft online event */
 		} else {
 			acpi_processor_ppc_has_changed(pr, 0);
-			acpi_processor_cst_has_changed(pr);
+			acpi_processor_hotplug(pr);
 			acpi_processor_reevaluate_tstate(pr, action);
 			acpi_processor_tstate_has_changed(pr);
 		}
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 7a7a9c929247e6..fdcdbb652915a3 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -28,36 +28,7 @@
 #include "internal.h"
 #include "sleep.h"
 
-u8 wake_sleep_flags = ACPI_NO_OPTIONAL_METHODS;
-static unsigned int gts, bfs;
-static int set_param_wake_flag(const char *val, struct kernel_param *kp)
-{
-	int ret = param_set_int(val, kp);
-
-	if (ret)
-		return ret;
-
-	if (kp->arg == (const char *)&gts) {
-		if (gts)
-			wake_sleep_flags |= ACPI_EXECUTE_GTS;
-		else
-			wake_sleep_flags &= ~ACPI_EXECUTE_GTS;
-	}
-	if (kp->arg == (const char *)&bfs) {
-		if (bfs)
-			wake_sleep_flags |= ACPI_EXECUTE_BFS;
-		else
-			wake_sleep_flags &= ~ACPI_EXECUTE_BFS;
-	}
-	return ret;
-}
-module_param_call(gts, set_param_wake_flag, param_get_int, &gts, 0644);
-module_param_call(bfs, set_param_wake_flag, param_get_int, &bfs, 0644);
-MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
-MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
-
 static u8 sleep_states[ACPI_S_STATE_COUNT];
-static bool pwr_btn_event_pending;
 
 static void acpi_sleep_tts_switch(u32 acpi_state)
 {
@@ -110,6 +81,7 @@ static int acpi_sleep_prepare(u32 acpi_state)
 
 #ifdef CONFIG_ACPI_SLEEP
 static u32 acpi_target_sleep_state = ACPI_STATE_S0;
+static bool pwr_btn_event_pending;
 
 /*
  * The ACPI specification wants us to save NVS memory regions during hibernation
@@ -305,7 +277,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 	switch (acpi_state) {
 	case ACPI_STATE_S1:
 		barrier();
-		status = acpi_enter_sleep_state(acpi_state, wake_sleep_flags);
+		status = acpi_enter_sleep_state(acpi_state);
 		break;
 
 	case ACPI_STATE_S3:
@@ -319,8 +291,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 	/* This violates the spec but is required for bug compatibility. */
 	acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
 
-	/* Reprogram control registers and execute _BFS */
-	acpi_leave_sleep_state_prep(acpi_state, wake_sleep_flags);
+	/* Reprogram control registers */
+	acpi_leave_sleep_state_prep(acpi_state);
 
 	/* ACPI 3.0 specs (P62) says that it's the responsibility
 	 * of the OSPM to clear the status bit [ implying that the
@@ -603,9 +575,9 @@ static int acpi_hibernation_enter(void)
 	ACPI_FLUSH_CPU_CACHE();
 
 	/* This shouldn't return.  If it returns, we have a problem */
-	status = acpi_enter_sleep_state(ACPI_STATE_S4, wake_sleep_flags);
-	/* Reprogram control registers and execute _BFS */
-	acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
+	status = acpi_enter_sleep_state(ACPI_STATE_S4);
+	/* Reprogram control registers */
+	acpi_leave_sleep_state_prep(ACPI_STATE_S4);
 
 	return ACPI_SUCCESS(status) ? 0 : -EFAULT;
 }
@@ -617,8 +589,8 @@ static void acpi_hibernation_leave(void)
 	 * enable it here.
 	 */
 	acpi_enable();
-	/* Reprogram control registers and execute _BFS */
-	acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
+	/* Reprogram control registers */
+	acpi_leave_sleep_state_prep(ACPI_STATE_S4);
 	/* Check the hardware signature */
 	if (facs && s4_hardware_signature != facs->hardware_signature) {
 		printk(KERN_EMERG "ACPI: Hardware changed while hibernated, "
@@ -892,33 +864,7 @@ static void acpi_power_off(void)
 	/* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
 	printk(KERN_DEBUG "%s called\n", __func__);
 	local_irq_disable();
-	acpi_enter_sleep_state(ACPI_STATE_S5, wake_sleep_flags);
-}
-
-/*
- * ACPI 2.0 created the optional _GTS and _BFS,
- * but industry adoption has been neither rapid nor broad.
- *
- * Linux gets into trouble when it executes poorly validated
- * paths through the BIOS, so disable _GTS and _BFS by default,
- * but do speak up and offer the option to enable them.
- */
-static void __init acpi_gts_bfs_check(void)
-{
-	acpi_handle dummy;
-
-	if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__GTS, &dummy)))
-	{
-		printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n");
-		printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, "
-			"please notify linux-acpi@vger.kernel.org\n");
-	}
-	if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__BFS, &dummy)))
-	{
-		printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n");
-		printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, "
-			"please notify linux-acpi@vger.kernel.org\n");
-	}
+	acpi_enter_sleep_state(ACPI_STATE_S5);
 }
 
 int __init acpi_sleep_init(void)
@@ -979,6 +925,5 @@ int __init acpi_sleep_init(void)
 	 * object can also be evaluated when the system enters S5.
 	 */
 	register_reboot_notifier(&tts_notifier);
-	acpi_gts_bfs_check();
 	return 0;
 }
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 240a2440097692..7c3f98ba4afefd 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
 {
 	int result = 0;
 
-	if (!strncmp(val, "enable", strlen("enable"))) {
+	if (!strncmp(val, "enable", sizeof("enable") - 1)) {
 		result = acpi_debug_trace(trace_method_name, trace_debug_level,
 					  trace_debug_layer, 0);
 		if (result)
@@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
 		goto exit;
 	}
 
-	if (!strncmp(val, "disable", strlen("disable"))) {
+	if (!strncmp(val, "disable", sizeof("disable") - 1)) {
 		int name = 0;
 		result = acpi_debug_trace((char *)&name, trace_debug_level,
 					  trace_debug_layer, 0);
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 2c744c7a5b3dcd..26a92fc28a590c 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -491,11 +491,11 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
 
 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
 
-acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags);
+acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))
 
-acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags);
+acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
 
 acpi_status acpi_leave_sleep_state(u8 sleep_state);
 
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 3af87de6a68cd1..3d00bd5bd7e30b 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -803,7 +803,7 @@ typedef u8 acpi_adr_space_type;
 
 /* Sleep function dispatch */
 
-typedef acpi_status(*ACPI_SLEEP_FUNCTION) (u8 sleep_state, u8 flags);
+typedef acpi_status(*ACPI_SLEEP_FUNCTION) (u8 sleep_state);
 
 struct acpi_sleep_functions {
 	ACPI_SLEEP_FUNCTION legacy_function;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 3ad510b25283ee..4f2a76224509ef 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -96,7 +96,7 @@ void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
-void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
+int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 void acpi_numa_arch_fixup(void);
 
 #ifdef CONFIG_ACPI_HOTPLUG_CPU