2 files changed, 27 insertions, 7 deletions

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 9810e2a55d0a..026e40755cdd 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -64,6 +64,7 @@ extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
 
 static int acpi_battery_add(struct acpi_device *device);
 static int acpi_battery_remove(struct acpi_device *device, int type);
+static int acpi_battery_resume(struct acpi_device *device, int status);
 
 static struct acpi_driver acpi_battery_driver = {
         .name = ACPI_BATTERY_DRIVER_NAME,
@@ -71,6 +72,7 @@ static struct acpi_driver acpi_battery_driver = {
         .ids = ACPI_BATTERY_HID,
         .ops = {
                 .add = acpi_battery_add,
+                .resume = acpi_battery_resume,
                 .remove = acpi_battery_remove,
                 },
 };
@@ -753,6 +755,18 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
         return 0;
 }
 
+/* this is needed to learn about changes made in suspended state */
+static int acpi_battery_resume(struct acpi_device *device, int state)
+{
+        struct acpi_battery *battery;
+
+        if (!device)
+                return -EINVAL;
+
+        battery = device->driver_data;
+        return acpi_battery_check(battery);
+}
+
 static int __init acpi_battery_init(void)
 {
         int result;
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 62bef0b3b614..8908a975e575 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -98,11 +98,11 @@ static int update_info_mode = UPDATE_INFO_MODE;
 static int update_time = UPDATE_TIME;
 static int update_time2 = UPDATE_TIME2;
 
-module_param(capacity_mode, int, CAPACITY_UNIT);
-module_param(update_mode, int, UPDATE_MODE);
-module_param(update_info_mode, int, UPDATE_INFO_MODE);
-module_param(update_time, int, UPDATE_TIME);
-module_param(update_time2, int, UPDATE_TIME2);
+module_param(capacity_mode, int, 0);
+module_param(update_mode, int, 0);
+module_param(update_info_mode, int, 0);
+module_param(update_time, int, 0);
+module_param(update_time2, int, 0);
 
 static int acpi_sbs_add(struct acpi_device *device);
 static int acpi_sbs_remove(struct acpi_device *device, int type);
@@ -1685,10 +1685,16 @@ static int acpi_sbs_add(struct acpi_device *device)
 
 int acpi_sbs_remove(struct acpi_device *device, int type)
 {
-        struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device);
+        struct acpi_sbs *sbs = NULL;
         int id;
 
-        if (!device || !sbs) {
+        if (!device) {
+                return -EINVAL;
+        }
+
+        sbs = (struct acpi_sbs *)acpi_driver_data(device);
+
+        if (!sbs) {
                 return -EINVAL;
         }