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-rw-r--r--drivers/staging/emxx_udc/emxx_udc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/emxx_udc/emxx_udc.h b/drivers/staging/emxx_udc/emxx_udc.h
index 789bfb97143c..78c08e15a1f9 100644
--- a/drivers/staging/emxx_udc/emxx_udc.h
+++ b/drivers/staging/emxx_udc/emxx_udc.h
@@ -567,7 +567,7 @@ struct nbu2ss_udc {
struct usb_gadget_driver *driver;
struct platform_device *pdev;
struct device *dev;
- spinlock_t lock;
+ spinlock_t lock; /* Protects nbu2ss_udc structure fields */
struct completion *pdone;
enum ep0_state ep0state;