netdev - [net-next PATCH v2 3/3] net/fsl: enable extended scanning in xgmac

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Date:   Mon, 22 Jun 2020 13:49:14 +0530
From:   Calvin Johnson <calvin.johnson@....nxp.com>
To:     Jeremy Linton <jeremy.linton@....com>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Jon <jon@...id-run.com>,
        Cristi Sovaiala <cristian.sovaiala@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Madalin Bucur <madalin.bucur@....nxp.com>
Cc:     linux.cj@...il.com, netdev@...r.kernel.org,
        Calvin Johnson <calvin.johnson@....nxp.com>
Subject: [net-next PATCH v2 3/3] net/fsl: enable extended scanning in xgmac_mdio

From: Jeremy Linton <jeremy.linton@....com>

Since we know the xgmac hardware always has a c45
compliant bus, let's try scanning for c22 capable
PHYs first. If we fail to find any, then it will
fall back to c45 automatically.

Signed-off-by: Jeremy Linton <jeremy.linton@....com>
Signed-off-by: Calvin Johnson <calvin.johnson@....nxp.com>

---

Changes in v2: None

 drivers/net/ethernet/freescale/xgmac_mdio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index b4ed5f837975..98be51d8b08c 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -268,6 +268,7 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
 	bus->read = xgmac_mdio_read;
 	bus->write = xgmac_mdio_write;
 	bus->parent = &pdev->dev;
+	bus->probe_capabilities = MDIOBUS_C22_C45;
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res->start);
 
 	/* Set the PHY base address */
-- 
2.17.1