Merge branch 'linus' into xen-64bit

7 files changed, 51 insertions, 38 deletions

diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index 5d30e5be1b1..c56c5c6ea77 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -188,7 +188,7 @@ acpi_status acpi_ev_install_xrupt_handlers(void)
 
 static acpi_status acpi_ev_fixed_event_initialize(void)
 {
-	acpi_native_uint i;
+	u32 i;
 	acpi_status status;
 
 	/*
@@ -231,7 +231,7 @@ u32 acpi_ev_fixed_event_detect(void)
 	u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
 	u32 fixed_status;
 	u32 fixed_enable;
-	acpi_native_uint i;
+	u32 i;
 
 	ACPI_FUNCTION_NAME(ev_fixed_event_detect);
 
@@ -260,7 +260,7 @@ u32 acpi_ev_fixed_event_detect(void)
 
 			/* Found an active (signalled) event */
 			acpi_os_fixed_event_count(i);
-			int_status |= acpi_ev_fixed_event_dispatch((u32) i);
+			int_status |= acpi_ev_fixed_event_dispatch(i);
 		}
 	}
 
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index 5354be44f87..c5e53aae86f 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -256,7 +256,7 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
 		return_ACPI_STATUS(status);
 	}
 
-	/* Mark wake-disabled or HW disable, or both */
+	/* Clear the appropriate enabled flags for this GPE */
 
 	switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
 	case ACPI_GPE_TYPE_WAKE:
@@ -273,13 +273,23 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
 		/* Disable the requested runtime GPE */
 
 		ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
-
-		/* fallthrough */
+		break;
 
 	default:
-		acpi_hw_write_gpe_enable_reg(gpe_event_info);
+		break;
 	}
 
+	/*
+	 * Even if we don't know the GPE type, make sure that we always
+	 * disable it. low_disable_gpe will just clear the enable bit for this
+	 * GPE and write it. It will not write out the current GPE enable mask,
+	 * since this may inadvertently enable GPEs too early, if a rogue GPE has
+	 * come in during ACPICA initialization - possibly as a result of AML or
+	 * other code that has enabled the GPE.
+	 */
+	status = acpi_hw_low_disable_gpe(gpe_event_info);
+	return_ACPI_STATUS(status);
+
 	return_ACPI_STATUS(AE_OK);
 }
 
@@ -305,7 +315,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
 {
 	union acpi_operand_object *obj_desc;
 	struct acpi_gpe_block_info *gpe_block;
-	acpi_native_uint i;
+	u32 i;
 
 	ACPI_FUNCTION_ENTRY();
 
@@ -379,8 +389,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
 	u32 status_reg;
 	u32 enable_reg;
 	acpi_cpu_flags flags;
-	acpi_native_uint i;
-	acpi_native_uint j;
+	u32 i;
+	u32 j;
 
 	ACPI_FUNCTION_NAME(ev_gpe_detect);
 
@@ -462,13 +472,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
 					 */
 					int_status |=
 					    acpi_ev_gpe_dispatch(&gpe_block->
-								 event_info[(i *
-									     ACPI_GPE_REGISTER_WIDTH)
-									    +
-									    j],
-								 (u32) j +
-								 gpe_register_info->
-								 base_gpe_number);
+						event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number);
 				}
 			}
 		}
@@ -555,10 +559,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
 			 */
 			info->prefix_node =
 			    local_gpe_event_info.dispatch.method_node;
-			info->parameters =
-			    ACPI_CAST_PTR(union acpi_operand_object *,
-					  gpe_event_info);
-			info->parameter_type = ACPI_PARAM_GPE;
 			info->flags = ACPI_IGNORE_RETURN_VALUE;
 
 			status = acpi_ns_evaluate(info);
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index e6c4d4c49e7..73c058e2f5c 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -189,8 +189,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 			    struct acpi_gpe_block_info *gpe_block)
 {
 	struct acpi_gpe_event_info *gpe_event_info;
-	acpi_native_uint i;
-	acpi_native_uint j;
+	u32 i;
+	u32 j;
 
 	ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
 
@@ -203,7 +203,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 		for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
 			gpe_event_info =
 			    &gpe_block->
-			    event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
+			    event_info[((acpi_size) i *
+					ACPI_GPE_REGISTER_WIDTH) + j];
 
 			if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
 			    ACPI_GPE_DISPATCH_HANDLER) {
@@ -744,8 +745,8 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
 	struct acpi_gpe_event_info *gpe_event_info = NULL;
 	struct acpi_gpe_event_info *this_event;
 	struct acpi_gpe_register_info *this_register;
-	acpi_native_uint i;
-	acpi_native_uint j;
+	u32 i;
+	u32 j;
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
@@ -983,8 +984,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
 	struct acpi_gpe_walk_info gpe_info;
 	u32 wake_gpe_count;
 	u32 gpe_enabled_count;
-	acpi_native_uint i;
-	acpi_native_uint j;
+	u32 i;
+	u32 j;
 
 	ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
 
@@ -1033,7 +1034,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
 
 			gpe_event_info =
 			    &gpe_block->
-			    event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
+			    event_info[((acpi_size) i *
+					ACPI_GPE_REGISTER_WIDTH) + j];
 
 			if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
 			     ACPI_GPE_DISPATCH_METHOD)
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 2113e58e222..1d5670be729 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -575,7 +575,7 @@ acpi_status acpi_ev_release_global_lock(void)
 
 void acpi_ev_terminate(void)
 {
-	acpi_native_uint i;
+	u32 i;
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(ev_terminate);
@@ -589,7 +589,7 @@ void acpi_ev_terminate(void)
 		/* Disable all fixed events */
 
 		for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
-			status = acpi_disable_event((u32) i, 0);
+			status = acpi_disable_event(i, 0);
 			if (ACPI_FAILURE(status)) {
 				ACPI_ERROR((AE_INFO,
 					    "Could not disable fixed event %d",
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
index 1628f593475..236fbd1ca43 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/events/evregion.c
@@ -81,7 +81,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
 acpi_status acpi_ev_install_region_handlers(void)
 {
 	acpi_status status;
-	acpi_native_uint i;
+	u32 i;
 
 	ACPI_FUNCTION_TRACE(ev_install_region_handlers);
 
@@ -151,7 +151,7 @@ acpi_status acpi_ev_install_region_handlers(void)
 acpi_status acpi_ev_initialize_op_regions(void)
 {
 	acpi_status status;
-	acpi_native_uint i;
+	u32 i;
 
 	ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
 
@@ -219,7 +219,6 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
 	info->prefix_node = region_obj2->extra.method_REG;
 	info->pathname = NULL;
 	info->parameters = args;
-	info->parameter_type = ACPI_PARAM_ARGS;
 	info->flags = ACPI_IGNORE_RETURN_VALUE;
 
 	/*
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 2e3d2c5e4f4..6b94b38df07 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -380,7 +380,7 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
 	acpi_status status;
 	struct acpica_device_id hid;
 	struct acpi_compatible_id_list *cid;
-	acpi_native_uint i;
+	u32 i;
 
 	/*
 	 * Get the _HID and check for a PCI Root Bridge
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index 99a7502e6a8..73bfd6bf962 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -472,7 +472,6 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
 }
 
 ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
-#ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
  * FUNCTION:    acpi_get_event_status
@@ -489,6 +488,7 @@ ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
 {
 	acpi_status status = AE_OK;
+	u32 value;
 
 	ACPI_FUNCTION_TRACE(acpi_get_event_status);
 
@@ -506,7 +506,20 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
 
 	status =
 	    acpi_get_register(acpi_gbl_fixed_event_info[event].
-			      status_register_id, event_status);
+			      enable_register_id, &value);
+	if (ACPI_FAILURE(status))
+		return_ACPI_STATUS(status);
+
+	*event_status = value;
+
+	status =
+	    acpi_get_register(acpi_gbl_fixed_event_info[event].
+			      status_register_id, &value);
+	if (ACPI_FAILURE(status))
+		return_ACPI_STATUS(status);
+
+	if (value)
+		*event_status |= ACPI_EVENT_FLAG_SET;
 
 	return_ACPI_STATUS(status);
 }
@@ -566,7 +579,6 @@ acpi_get_gpe_status(acpi_handle gpe_device,
 }
 
 ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
-#endif				/*  ACPI_FUTURE_USAGE  */
 /*******************************************************************************
  *
  * FUNCTION:    acpi_install_gpe_block