netdev - [PATCH net-next 1/3] net: dpaa2-mac: populate supported

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Message-Id: <E1mnOfC-0085Ij-MK@rmk-PC.armlinux.org.uk>
Date:   Wed, 17 Nov 2021 17:24:02 +0000
From:   Russell King <rmk+kernel@...linux.org.uk>
To:     Ioana Ciornei <ioana.ciornei@....com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH net-next 1/3] net: dpaa2-mac: populate supported_interfaces
 member

Populate the phy interface mode bitmap for the Freescale DPAA2 driver
with interfaces modes supported by the MAC.

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/freescale/dpaa2/dpaa2-mac.c  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
index ef8f0a055024..176ce0a03716 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
@@ -336,9 +336,30 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac)
 			return err;
 	}
 
+	memset(&mac->phylink_config, 0, sizeof(mac->phylink_config));
 	mac->phylink_config.dev = &net_dev->dev;
 	mac->phylink_config.type = PHYLINK_NETDEV;
 
+	/* We support the current interface mode, and if we have a PCS
+	 * similar interface modes that do not require the PLLs to be
+	 * reconfigured.
+	 */
+	__set_bit(mac->if_mode, mac->phylink_config.supported_interfaces);
+	if (mac->pcs) {
+		switch (mac->if_mode) {
+		case PHY_INTERFACE_MODE_1000BASEX:
+		case PHY_INTERFACE_MODE_SGMII:
+			__set_bit(PHY_INTERFACE_MODE_1000BASEX,
+				  mac->phylink_config.supported_interfaces);
+			__set_bit(PHY_INTERFACE_MODE_SGMII,
+				  mac->phylink_config.supported_interfaces);
+			break;
+
+		default:
+			break;
+		}
+	}
+
 	phylink = phylink_create(&mac->phylink_config,
 				 dpmac_node, mac->if_mode,
 				 &dpaa2_mac_phylink_ops);
-- 
2.30.2