linux-kernel - [PATCH v2 net-next 6/9] net: korina: Only pass mac address via platform data

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Message-Id: <20210414152946.12517-7-tsbogend@alpha.franken.de>
Date:   Wed, 14 Apr 2021 17:29:42 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v2 net-next 6/9] net: korina: Only pass mac address via platform data

Get rid of access to struct korina_device by just passing the mac
address via platform data and use drvdata for passing netdev to remove
function.

Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
---
 arch/mips/rb532/devices.c     |  5 +++--
 drivers/net/ethernet/korina.c | 11 ++++++-----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index dd34f1b32b79..5fc3c8ee4f31 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -105,6 +105,9 @@ static struct platform_device korina_dev0 = {
 	.name = "korina",
 	.resource = korina_dev0_res,
 	.num_resources = ARRAY_SIZE(korina_dev0_res),
+	.dev = {
+		.platform_data = &korina_dev0_data.mac,
+	}
 };
 
 static struct resource cf_slot0_res[] = {
@@ -299,8 +302,6 @@ static int __init plat_setup_devices(void)
 	/* set the uart clock to the current cpu frequency */
 	rb532_uart_res[0].uartclk = idt_cpu_freq;
 
-	dev_set_drvdata(&korina_dev0.dev, &korina_dev0_data);
-
 	gpiod_add_lookup_table(&cf_slot0_gpio_table);
 	return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs));
 }
diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index 5e0fd9058701..69c8baa87a6e 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -1056,7 +1056,7 @@ static const struct net_device_ops korina_netdev_ops = {
 
 static int korina_probe(struct platform_device *pdev)
 {
-	struct korina_device *bif = platform_get_drvdata(pdev);
+	u8 *mac_addr = dev_get_platdata(&pdev->dev);
 	struct korina_private *lp;
 	struct net_device *dev;
 	void __iomem *p;
@@ -1069,8 +1069,7 @@ static int korina_probe(struct platform_device *pdev)
 	SET_NETDEV_DEV(dev, &pdev->dev);
 	lp = netdev_priv(dev);
 
-	bif->dev = dev;
-	memcpy(dev->dev_addr, bif->mac, ETH_ALEN);
+	memcpy(dev->dev_addr, mac_addr, ETH_ALEN);
 
 	lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx");
 	lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx");
@@ -1124,6 +1123,8 @@ static int korina_probe(struct platform_device *pdev)
 	lp->mii_if.phy_id_mask = 0x1f;
 	lp->mii_if.reg_num_mask = 0x1f;
 
+	platform_set_drvdata(pdev, dev);
+
 	rc = register_netdev(dev);
 	if (rc < 0) {
 		printk(KERN_ERR DRV_NAME
@@ -1141,9 +1142,9 @@ static int korina_probe(struct platform_device *pdev)
 
 static int korina_remove(struct platform_device *pdev)
 {
-	struct korina_device *bif = platform_get_drvdata(pdev);
+	struct net_device *dev = platform_get_drvdata(pdev);
 
-	unregister_netdev(bif->dev);
+	unregister_netdev(dev);
 
 	return 0;
 }
-- 
2.29.2