platform/x86: wmi: declare device_type structure as constant

The only usage of device_type structure is getting stored as
a reference in the type field of device structure. This type
field is declared const. Therefore, the device_type structure
can never be modified and can be declared as const.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 04791ea..bea35be 100644 (file)
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -987,19 +987,19 @@ static struct bus_type wmi_bus_type = {
        .remove = wmi_dev_remove,
 };
 
-static struct device_type wmi_type_event = {
+static const struct device_type wmi_type_event = {
        .name = "event",
        .groups = wmi_event_groups,
        .release = wmi_dev_release,
 };
 
-static struct device_type wmi_type_method = {
+static const struct device_type wmi_type_method = {
        .name = "method",
        .groups = wmi_method_groups,
        .release = wmi_dev_release,
 };
 
-static struct device_type wmi_type_data = {
+static const struct device_type wmi_type_data = {
        .name = "data",
        .groups = wmi_data_groups,
        .release = wmi_dev_release,