aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/hid/amd-sfh-hid/amd_sfh_common.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/amd-sfh-hid/amd_sfh_common.h')
-rw-r--r--drivers/hid/amd-sfh-hid/amd_sfh_common.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_common.h b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
index f44a3bb2fbd4..78f830c133e5 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_common.h
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
@@ -10,6 +10,7 @@
#ifndef AMD_SFH_COMMON_H
#define AMD_SFH_COMMON_H
+#include <linux/mutex.h>
#include <linux/pci.h>
#include "amd_sfh_hid.h"
@@ -59,6 +60,8 @@ struct amd_mp2_dev {
u32 mp2_acs;
struct sfh_dev_status dev_en;
struct work_struct work;
+ /* mp2 to protect data */
+ struct mutex lock;
u8 init_done;
u8 rver;
};