linux-kernel - [PATCH net-next 3/4] net: sfp: add support for 25G BASE-R SFPs

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Message-ID: <20210611125453.313308-4-steen.hegelund@microchip.com>
Date:   Fri, 11 Jun 2021 14:54:52 +0200
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     Russell King <linux@...linux.org.uk>, Andrew Lunn <andrew@...n.ch>,
        "Heiner Kallweit" <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Steen Hegelund <steen.hegelund@...rochip.com>,
        Bjarni Jonasson <bjarni.jonasson@...rochip.com>
Subject: [PATCH net-next 3/4] net: sfp: add support for 25G BASE-R SFPs

Add support for 25gbase-r modules. This is needed for the Sparx5 switch.

Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@...rochip.com>
---
 drivers/net/phy/sfp-bus.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index e61de66e973b..1db9cea13690 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -392,6 +392,11 @@ EXPORT_SYMBOL_GPL(sfp_parse_support);
 phy_interface_t sfp_select_interface(struct sfp_bus *bus,
 				     unsigned long *link_modes)
 {
+	if (phylink_test(link_modes, 25000baseCR_Full) ||
+	    phylink_test(link_modes, 25000baseKR_Full) ||
+	    phylink_test(link_modes, 25000baseSR_Full))
+		return PHY_INTERFACE_MODE_25GBASER;
+
 	if (phylink_test(link_modes, 10000baseCR_Full) ||
 	    phylink_test(link_modes, 10000baseSR_Full) ||
 	    phylink_test(link_modes, 10000baseLR_Full) ||
-- 
2.32.0