netdev - [PATCH net-next 1/5] net: phy: marvell10g: update header comments

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Message-Id: <E1eUu3K-0002Xc-MY@rmk-PC.armlinux.org.uk>
Date:   Fri, 29 Dec 2017 12:46:22 +0000
From:   Russell King <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org
Subject: [PATCH net-next 1/5] net: phy: marvell10g: update header comments

Update header comments to indicate the newly found behaviour with XAUI
interfaces.

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/marvell10g.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index 87f18cee1533..0d503493ac14 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -6,12 +6,18 @@
  *
  * There appears to be several different data paths through the PHY which
  * are automatically managed by the PHY.  The following has been determined
- * via observation and experimentation:
+ * via observation and experimentation for a setup using single-lane Serdes:
  *
  *       SGMII PHYXS -- BASE-T PCS -- 10G PMA -- AN -- Copper (for <= 1G)
  *  10GBASE-KR PHYXS -- BASE-T PCS -- 10G PMA -- AN -- Copper (for 10G)
  *  10GBASE-KR PHYXS -- BASE-R PCS -- Fiber
  *
+ * With XAUI, observation shows:
+ *
+ *        XAUI PHYXS -- <appropriate PCS as above>
+ *
+ * and no switching of the host interface mode occurs.
+ *
  * If both the fiber and copper ports are connected, the first to gain
  * link takes priority and the other port is completely locked out.
  */
-- 
2.7.4