diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index ede365d..b9371d5 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1384,8 +1384,10 @@
 		 * longer than TTY_THRESHOLD_UNTHROTTLE in canonical mode,
 		 * we won't get any more characters.
 		 */
-		if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE)
+		if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE) {
+			n_tty_set_room(tty);
 			check_unthrottle(tty);
+		}
 
 		if (b - buf >= minimum)
 			break;
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 1456759..10e1a90 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -285,9 +285,9 @@
  * Default resume method for devices that have no driver provided resume,
  * or not even a driver at all.
  */
-static void pci_default_resume(struct pci_dev *pci_dev)
+static int pci_default_resume(struct pci_dev *pci_dev)
 {
-	int retval;
+	int retval = 0;
 
 	/* restore the PCI config space */
 	pci_restore_state(pci_dev);
@@ -297,18 +297,21 @@
 	/* if the device was busmaster before the suspend, make it busmaster again */
 	if (pci_dev->is_busmaster)
 		pci_set_master(pci_dev);
+
+	return retval;
 }
 
 static int pci_device_resume(struct device * dev)
 {
+	int error;
 	struct pci_dev * pci_dev = to_pci_dev(dev);
 	struct pci_driver * drv = pci_dev->driver;
 
 	if (drv && drv->resume)
-		drv->resume(pci_dev);
+		error = drv->resume(pci_dev);
 	else
-		pci_default_resume(pci_dev);
-	return 0;
+		error = pci_default_resume(pci_dev);
+	return error;
 }
 
 static void pci_device_shutdown(struct device *dev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 2329f94..1228627 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -461,9 +461,23 @@
 pci_restore_state(struct pci_dev *dev)
 {
 	int i;
+	int val;
 
-	for (i = 0; i < 16; i++)
-		pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]);
+	/*
+	 * The Base Address register should be programmed before the command
+	 * register(s)
+	 */
+	for (i = 15; i >= 0; i--) {
+		pci_read_config_dword(dev, i * 4, &val);
+		if (val != dev->saved_config_space[i]) {
+			printk(KERN_DEBUG "PM: Writing back config space on "
+				"device %s at offset %x (was %x, writing %x)\n",
+				pci_name(dev), i,
+				val, (int)dev->saved_config_space[i]);
+			pci_write_config_dword(dev,i * 4,
+				dev->saved_config_space[i]);
+		}
+	}
 	pci_restore_msi_state(dev);
 	pci_restore_msix_state(dev);
 	return 0;
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 4877e35..936ef82 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -50,7 +50,7 @@
 extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
 extern acpi_status pci_osc_support_set(u32 flags);
 #else
-#if !defined(acpi_status)
+#if !defined(AE_ERROR)
 typedef u32 		acpi_status;
 #define AE_ERROR      	(acpi_status) (0x0001)
 #endif    
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 4649a63..440a733 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1061,7 +1061,7 @@
 loop_again:
 	total_scanned = 0;
 	nr_reclaimed = 0;
-	sc.may_writepage = !laptop_mode,
+	sc.may_writepage = !laptop_mode;
 	sc.nr_mapped = read_page_state(nr_mapped);
 
 	inc_page_state(pageoutrun);