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path: root/drivers/acpi/acpi_memhotplug.c
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Diffstat (limited to 'drivers/acpi/acpi_memhotplug.c')
-rw-r--r--drivers/acpi/acpi_memhotplug.c67
1 files changed, 26 insertions, 41 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index e0a95ba72371..e49d327ccf4c 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -125,15 +125,14 @@ acpi_memory_get_device(acpi_handle handle,
status = acpi_get_parent(handle, &phandle);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_get_parent\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Cannot find acpi parent"));
return_VALUE(-EINVAL);
}
/* Get the parent device */
status = acpi_bus_get_device(phandle, &pdevice);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_bus_get_device\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device"));
return_VALUE(-EINVAL);
}
@@ -143,7 +142,7 @@ acpi_memory_get_device(acpi_handle handle,
*/
status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_bus_add\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus"));
return_VALUE(-EINVAL);
}
@@ -188,8 +187,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
/* Get the range from the _CRS */
result = acpi_memory_get_device_resources(mem_device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "\nget_device_resources failed\n"));
+ ACPI_ERROR((AE_INFO, "get_device_resources failed"));
mem_device->state = MEMORY_INVALID_STATE;
return result;
}
@@ -200,7 +198,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
*/
result = add_memory(mem_device->start_addr, mem_device->length);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "\nadd_memory failed\n"));
+ ACPI_ERROR((AE_INFO, "add_memory failed"));
mem_device->state = MEMORY_INVALID_STATE;
return result;
}
@@ -226,7 +224,7 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
"_EJ0", &arg_list, NULL);
/* Return on _EJ0 failure */
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "_EJ0 failed.\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "_EJ0 failed"));
return_VALUE(-ENODEV);
}
@@ -256,16 +254,12 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device)
* Note: Assume that this function returns zero on success
*/
result = remove_memory(start, len);
- if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Hot-Remove failed.\n"));
+ if (result)
return_VALUE(result);
- }
/* Power-off and eject the device */
result = acpi_memory_powerdown_device(mem_device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device Power Down failed.\n"));
/* Set the status of the device to invalid */
mem_device->state = MEMORY_INVALID_STATE;
return result;
@@ -292,15 +286,14 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"\nReceived DEVICE CHECK notification for device\n"));
if (acpi_memory_get_device(handle, &mem_device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in finding driver data\n"));
+ ACPI_ERROR((AE_INFO, "Cannot find driver data"));
return_VOID;
}
if (!acpi_memory_check_device(mem_device)) {
if (acpi_memory_enable_device(mem_device))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_memory_enable_device\n"));
+ ACPI_ERROR((AE_INFO,
+ "Cannot enable memory device"));
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
@@ -308,14 +301,12 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
"\nReceived EJECT REQUEST notification for device\n"));
if (acpi_bus_get_device(handle, &device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device doesn't exist\n"));
+ ACPI_ERROR((AE_INFO, "Device doesn't exist"));
break;
}
mem_device = acpi_driver_data(device);
if (!mem_device) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Driver Data is NULL\n"));
+ ACPI_ERROR((AE_INFO, "Driver Data is NULL"));
break;
}
@@ -326,8 +317,8 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
* with generic sysfs driver
*/
if (acpi_memory_disable_device(mem_device))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_memory_disable_device\n"));
+ ACPI_ERROR((AE_INFO,
+ "Disable memory device\n"));
/*
* TBD: Invoke acpi_bus_remove to cleanup data structures
*/
@@ -405,7 +396,7 @@ static acpi_status is_memory_device(acpi_handle handle)
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_ERROR);
+ return_ACPI_STATUS(status);
info = buffer.pointer;
if (!(info->valid & ACPI_VALID_HID)) {
@@ -431,18 +422,15 @@ acpi_memory_register_notify_handler(acpi_handle handle,
ACPI_FUNCTION_TRACE("acpi_memory_register_notify_handler");
status = is_memory_device(handle);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)){
+ ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
return_ACPI_STATUS(AE_OK); /* continue */
+ }
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify, NULL);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
- return_ACPI_STATUS(AE_OK); /* continue */
- }
-
- return_ACPI_STATUS(status);
+ /* continue */
+ return_ACPI_STATUS(AE_OK);
}
static acpi_status
@@ -454,19 +442,16 @@ acpi_memory_deregister_notify_handler(acpi_handle handle,
ACPI_FUNCTION_TRACE("acpi_memory_deregister_notify_handler");
status = is_memory_device(handle);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)){
+ ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
return_ACPI_STATUS(AE_OK); /* continue */
+ }
status = acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
- return_ACPI_STATUS(AE_OK); /* continue */
- }
- return_ACPI_STATUS(status);
+ return_ACPI_STATUS(AE_OK); /* continue */
}
static int __init acpi_memory_device_init(void)
@@ -487,7 +472,7 @@ static int __init acpi_memory_device_init(void)
NULL, NULL);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed"));
acpi_bus_unregister_driver(&acpi_memory_device_driver);
return_VALUE(-ENODEV);
}
@@ -511,7 +496,7 @@ static void __exit acpi_memory_device_exit(void)
NULL, NULL);
if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed"));
acpi_bus_unregister_driver(&acpi_memory_device_driver);