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-rw-r--r--include/linux/mailbox_controller.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mailbox_controller.h b/include/linux/mailbox_controller.h
index 36d6ce673503..6fee33cb52f5 100644
--- a/include/linux/mailbox_controller.h
+++ b/include/linux/mailbox_controller.h
@@ -83,6 +83,7 @@ struct mbox_controller {
const struct of_phandle_args *sp);
/* Internal to API */
struct hrtimer poll_hrt;
+ spinlock_t poll_hrt_lock;
struct list_head node;
};