net: mvpp2: update the port documentation regarding the GoP

The Marvell PPv2 port structure stores the GoP id of a given port. This
information is specific to PPv2.2, but cannot be used by PPv2.1. Update
its comment to denote this specificity.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
index 83fb2b0..9b05fcb 100644 (file)
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
@@ -803,7 +803,7 @@ struct mvpp2_port {
        u8 id;
 
        /* Index of the port from the "group of ports" complex point
-        * of view
+        * of view. This is specific to PPv2.2.
         */
        int gop_id;