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-rw-r--r--drivers/acpi/acpi_memhotplug.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 1486e03..3721f8d 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -57,6 +57,7 @@ MODULE_LICENSE("GPL");
static int acpi_memory_device_add(struct acpi_device *device);
static int acpi_memory_device_remove(struct acpi_device *device, int type);
+static int acpi_memory_device_start(struct acpi_device *device);
static struct acpi_driver acpi_memory_device_driver = {
.name = ACPI_MEMORY_DEVICE_DRIVER_NAME,
@@ -65,6 +66,7 @@ static struct acpi_driver acpi_memory_device_driver = {
.ops = {
.add = acpi_memory_device_add,
.remove = acpi_memory_device_remove,
+ .start = acpi_memory_device_start,
},
};
@@ -433,6 +435,25 @@ static int acpi_memory_device_remove(struct acpi_device *device, int type)
return_VALUE(0);
}
+static int acpi_memory_device_start (struct acpi_device *device)
+{
+ struct acpi_memory_device *mem_device;
+ int result = 0;
+
+ ACPI_FUNCTION_TRACE("acpi_memory_device_start");
+
+ mem_device = acpi_driver_data(device);
+
+ if (!acpi_memory_check_device(mem_device)) {
+ /* call add_memory func */
+ result = acpi_memory_enable_device(mem_device);
+ if (result)
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error in acpi_memory_enable_device\n"));
+ }
+ return_VALUE(result);
+}
+
/*
* Helper function to check for memory device
*/