diff options
| -rw-r--r-- | drivers/acpi/acpi_memhotplug.c | 18 | ||||
| -rw-r--r-- | drivers/acpi/apei/erst-dbg.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/device_pm.c | 3 | ||||
| -rw-r--r-- | drivers/acpi/glue.c | 9 | ||||
| -rw-r--r-- | drivers/acpi/power.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 2 |
6 files changed, 21 insertions, 33 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index eb30e5ab4cab..b679bf8478f7 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -226,16 +226,6 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) struct acpi_memory_info *info; int node; - - /* Get the range from the _CRS */ - result = acpi_memory_get_device_resources(mem_device); - if (result) { - dev_err(&mem_device->device->dev, - "get_device_resources failed\n"); - mem_device->state = MEMORY_INVALID_STATE; - return result; - } - node = acpi_get_node(mem_device->device->handle); /* * Tell the VM there is more memory here... @@ -342,14 +332,6 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) break; } - if (acpi_memory_check_device(mem_device)) - break; - - if (acpi_memory_enable_device(mem_device)) { - acpi_handle_err(handle,"Cannot enable memory device\n"); - break; - } - ost_code = ACPI_OST_SC_SUCCESS; break; diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c index 903549df809b..04ab5c9d3ced 100644 --- a/drivers/acpi/apei/erst-dbg.c +++ b/drivers/acpi/apei/erst-dbg.c @@ -111,8 +111,17 @@ retry_next: if (rc) goto out; /* no more record */ - if (id == APEI_ERST_INVALID_RECORD_ID) + if (id == APEI_ERST_INVALID_RECORD_ID) { + /* + * If the persistent store is empty initially, the function + * 'erst_read' below will return "-ENOENT" value. This causes + * 'retry_next' label is entered again. The returned value + * should be zero indicating the read operation is EOF. + */ + len = 0; + goto out; + } retry: rc = len = erst_read(id, erst_dbg_buf, erst_dbg_buf_len); /* The record may be cleared by others, try read next record */ diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index f09dc987cf17..c6ff606c6d5b 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -358,8 +358,7 @@ static struct acpi_device *acpi_dev_pm_get_node(struct device *dev) acpi_handle handle = DEVICE_ACPI_HANDLE(dev); struct acpi_device *adev; - return handle && ACPI_SUCCESS(acpi_bus_get_device(handle, &adev)) ? - adev : NULL; + return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL; } /** diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 01551840d236..95af6f674a6c 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -18,9 +18,14 @@ #define ACPI_GLUE_DEBUG 0 #if ACPI_GLUE_DEBUG -#define DBG(x...) printk(PREFIX x) +#define DBG(fmt, ...) \ + printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__) #else -#define DBG(x...) do { } while(0) +#define DBG(fmt, ...) \ +do { \ + if (0) \ + printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__); \ +} while (0) #endif static LIST_HEAD(bus_type_list); static DECLARE_RWSEM(bus_type_sem); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 7db61b8fa11f..6e7b9d523812 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -445,11 +445,8 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle) return -ENODEV; ret = acpi_bus_get_device(handle, &acpi_dev); - if (ret) - goto no_power_resource; - - if (!acpi_dev->power.flags.power_resources) - goto no_power_resource; + if (ret || !acpi_dev->power.flags.power_resources) + return -ENODEV; powered_device = kzalloc(sizeof(*powered_device), GFP_KERNEL); if (!powered_device) @@ -471,10 +468,6 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle) } return ret; - -no_power_resource: - printk(KERN_DEBUG PREFIX "Invalid Power Resource to register!\n"); - return -ENODEV; } EXPORT_SYMBOL_GPL(acpi_power_resource_register_device); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 53502d1bbf26..c88be6c37c30 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1346,7 +1346,7 @@ static void acpi_device_set_id(struct acpi_device *device) acpi_add_id(device, ACPI_DOCK_HID); else if (!acpi_ibm_smbus_match(device)) acpi_add_id(device, ACPI_SMBUS_IBM_HID); - else if (!acpi_device_hid(device) && + else if (list_empty(&device->pnp.ids) && ACPI_IS_ROOT_DEVICE(device->parent)) { acpi_add_id(device, ACPI_BUS_HID); /* \_SB, LNXSYBUS */ strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME); |