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Date:   Fri, 22 May 2020 16:30:58 -0500
From:   Jeremy Linton <jeremy.linton@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com, linux@...linux.org.uk,
        madalin.bucur@....nxp.com, calvin.johnson@....nxp.com,
        linux-kernel@...r.kernel.org, Jeremy Linton <jeremy.linton@....com>
Subject: [RFC 10/11] net: example acpize xgmac_mdio

Signed-off-by: Jeremy Linton <jeremy.linton@....com>
---
 drivers/net/ethernet/freescale/xgmac_mdio.c | 27 +++++++++++++--------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index c82c85ef5fb3..96ee3bd89983 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -245,14 +245,14 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct mii_bus *bus;
-	struct resource res;
+	struct resource *res;
 	struct mdio_fsl_priv *priv;
 	int ret;
 
-	ret = of_address_to_resource(np, 0, &res);
-	if (ret) {
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
 		dev_err(&pdev->dev, "could not obtain address\n");
-		return ret;
+		return -EINVAL;
 	}
 
 	bus = mdiobus_alloc_size(sizeof(struct mdio_fsl_priv));
@@ -263,21 +263,21 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
 	bus->read = xgmac_mdio_read;
 	bus->write = xgmac_mdio_write;
 	bus->parent = &pdev->dev;
-	snprintf(bus->id, MII_BUS_ID_SIZE, "%llx", (unsigned long long)res.start);
+	snprintf(bus->id, MII_BUS_ID_SIZE, "%llx", (unsigned long long)res->start);
 
 	/* Set the PHY base address */
 	priv = bus->priv;
-	priv->mdio_base = of_iomap(np, 0);
+	priv->mdio_base = devm_platform_ioremap_resource(pdev, 0);
 	if (!priv->mdio_base) {
 		ret = -ENOMEM;
 		goto err_ioremap;
 	}
 
-	priv->is_little_endian = of_property_read_bool(pdev->dev.of_node,
-						       "little-endian");
+	priv->is_little_endian = device_property_read_bool(&pdev->dev,
+							   "little-endian");
 
-	priv->has_a011043 = of_property_read_bool(pdev->dev.of_node,
-						  "fsl,erratum-a011043");
+	priv->has_a011043 = device_property_read_bool(&pdev->dev,
+						      "fsl,erratum-a011043");
 
 	ret = of_mdiobus_register(bus, np);
 	if (ret) {
@@ -320,10 +320,17 @@ static const struct of_device_id xgmac_mdio_match[] = {
 };
 MODULE_DEVICE_TABLE(of, xgmac_mdio_match);
 
+static const struct acpi_device_id xgmac_acpi_match[] = {
+	{ "NXP0006", (kernel_ulong_t)NULL },
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, xgmac_acpi_match);
+
 static struct platform_driver xgmac_mdio_driver = {
 	.driver = {
 		.name = "fsl-fman_xmdio",
 		.of_match_table = xgmac_mdio_match,
+		.acpi_match_table = xgmac_acpi_match,
 	},
 	.probe = xgmac_mdio_probe,
 	.remove = xgmac_mdio_remove,
-- 
2.26.2

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