staging: vt6656: Add comment for locks

This patch fixes the checkpatch.pl warnings like:
- CHECK: spinlock_t definition without comment

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/c6a5ef8e7704b488c54145b09ac44bd4880c13b4.1645477326.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 8b6623a..dda38c2 100644 (file)
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -268,8 +268,8 @@ struct vnt_private {
        u32 rx_buf_sz;
        int mc_list_count;
 
-       spinlock_t lock;
-       struct mutex usb_lock;
+       spinlock_t lock;                /* prepare tx USB URB */
+       struct mutex usb_lock;          /* USB control messages */
 
        unsigned long flags;