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Diffstat (limited to 'drivers/isdn/hysdn/hysdn_defs.h')
-rw-r--r--drivers/isdn/hysdn/hysdn_defs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/isdn/hysdn/hysdn_defs.h b/drivers/isdn/hysdn/hysdn_defs.h
index 461e831592d..729df408938 100644
--- a/drivers/isdn/hysdn/hysdn_defs.h
+++ b/drivers/isdn/hysdn/hysdn_defs.h
@@ -188,6 +188,8 @@ typedef struct HYSDN_CARD {
/* init and deinit stopcard for booting, too */
void (*stopcard) (struct HYSDN_CARD *);
void (*releasehardware) (struct HYSDN_CARD *);
+
+ spinlock_t hysdn_lock;
#ifdef CONFIG_HYSDN_CAPI
struct hycapictrl_info {
char cardname[32];