diff --git a/MAINTAINERS b/MAINTAINERS
index 6d8d5b917d1fe0f4ff011d738ca9d13947521eb8..dd6978b1e8fbcbde19e874828a16bdb3100e6f7a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3066,11 +3066,10 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 
 SONY VAIO CONTROL DEVICE DRIVER
-P:	Stelian Pop
-M:	stelian@popies.net
 P:	Mattia Dongili
 M:	malattia@linux.it
-W:	http://popies.net/sonypi/
+L:	linux-acpi@vger.kernel.org
+W:	http://www.linux.it/~malattia/wiki/index.php/Sony_drivers
 S:	Maintained
 
 SOUND
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index d51f0f11f7f95169f424cd99768928635be92dd3..e19185d2655484b1f4f8131025ba8ed497a99050 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -13,6 +13,7 @@ config IA64
 	bool
 	select PCI if (!IA64_HP_SIM)
 	select ACPI if (!IA64_HP_SIM)
+	select PM if (!IA64_HP_SIM)
 	default y
 	help
 	  The Itanium Processor Family is Intel's 64-bit successor to
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 8fa93125fd4c94af822bf9b6dd1863511de16b7a..c84b1faba28cf3900001c78f2b0700975faf4d61 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -300,6 +300,11 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 	/*
 	 * 2) Enable all wakeup GPEs
 	 */
+	status = acpi_hw_disable_all_gpes();
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
 	acpi_gbl_system_awake_and_running = FALSE;
 
 	status = acpi_hw_enable_all_wakeup_gpes();
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index 36901362fd24418917ab0727f1450bd217d58967..dc1096608f4363bf0dd32312c55925b4fe168452 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -2507,7 +2507,7 @@ static int __init setup_notify(struct ibm_struct *ibm)
 	ret = acpi_bus_get_device(*ibm->handle, &ibm->device);
 	if (ret < 0) {
 		printk(IBM_ERR "%s device not present\n", ibm->name);
-		return 0;
+		return -ENODEV;
 	}
 
 	acpi_driver_data(ibm->device) = ibm;
@@ -2516,8 +2516,13 @@ static int __init setup_notify(struct ibm_struct *ibm)
 	status = acpi_install_notify_handler(*ibm->handle, ibm->type,
 					     dispatch_notify, ibm);
 	if (ACPI_FAILURE(status)) {
-		printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n",
-		       ibm->name, status);
+		if (status == AE_ALREADY_EXISTS) {
+			printk(IBM_NOTICE "another device driver is already handling %s events\n",
+				ibm->name);
+		} else {
+			printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n",
+				ibm->name, status);
+		}
 		return -ENODEV;
 	}
 	ibm->notify_installed = 1;
@@ -2553,6 +2558,8 @@ static int __init register_driver(struct ibm_struct *ibm)
 	return ret;
 }
 
+static void ibm_exit(struct ibm_struct *ibm);
+
 static int __init ibm_init(struct ibm_struct *ibm)
 {
 	int ret;
@@ -2594,6 +2601,12 @@ static int __init ibm_init(struct ibm_struct *ibm)
 
 	if (ibm->notify) {
 		ret = setup_notify(ibm);
+		if (ret == -ENODEV) {
+			printk(IBM_NOTICE "disabling subdriver %s\n",
+				ibm->name);
+			ibm_exit(ibm);
+			return 0;
+		}
 		if (ret < 0)
 			return ret;
 	}
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 72a6e2c3a5361fa3a1b5b5e0ef2548ec97569863..56bf492e7acc819e7718e6cc13dd85b3b206560a 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -344,7 +344,7 @@ typedef u32 acpi_integer;
 
 /* 64-bit integers */
 
-typedef u64 acpi_integer;
+typedef unsigned long long              acpi_integer;
 #define ACPI_INTEGER_MAX                ACPI_UINT64_MAX
 #define ACPI_INTEGER_BIT_SIZE           64
 #define ACPI_MAX_DECIMAL_DIGITS         20	/* 2^64 = 18,446,744,073,709,551,616 */