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authorThomas Bogendoerfer2021-04-19 00:19:45 +0200
committerDavid S. Miller2021-04-19 15:58:14 -0700
commit10b26f0781511dc5c1b29303ee431cad08aa9944 (patch)
treeb566cefa7572320e673ed0b60fea4493cc26129f /drivers/net/ethernet/korina.c
parentaf80425e05b23e937e4a3490442f37eedb5242f6 (diff)
net: korina: Add support for device tree
If there is no mac address passed via platform data try to get it via device tree and fall back to a random mac address, if all fail. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/korina.c')
-rw-r--r--drivers/net/ethernet/korina.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index d6dbbdd43d7c..a1f53d7753ae 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -43,6 +43,8 @@
#include <linux/ioport.h>
#include <linux/iopoll.h>
#include <linux/in.h>
+#include <linux/of_device.h>
+#include <linux/of_net.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
@@ -1068,26 +1070,29 @@ static int korina_probe(struct platform_device *pdev)
SET_NETDEV_DEV(dev, &pdev->dev);
lp = netdev_priv(dev);
- memcpy(dev->dev_addr, mac_addr, ETH_ALEN);
+ if (mac_addr)
+ ether_addr_copy(dev->dev_addr, mac_addr);
+ else if (of_get_mac_address(pdev->dev.of_node, dev->dev_addr) < 0)
+ eth_hw_addr_random(dev);
- lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx");
- lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx");
+ lp->rx_irq = platform_get_irq_byname(pdev, "rx");
+ lp->tx_irq = platform_get_irq_byname(pdev, "tx");
- p = devm_platform_ioremap_resource_byname(pdev, "korina_regs");
+ p = devm_platform_ioremap_resource_byname(pdev, "emac");
if (!p) {
printk(KERN_ERR DRV_NAME ": cannot remap registers\n");
return -ENOMEM;
}
lp->eth_regs = p;
- p = devm_platform_ioremap_resource_byname(pdev, "korina_dma_rx");
+ p = devm_platform_ioremap_resource_byname(pdev, "dma_rx");
if (!p) {
printk(KERN_ERR DRV_NAME ": cannot remap Rx DMA registers\n");
return -ENOMEM;
}
lp->rx_dma_regs = p;
- p = devm_platform_ioremap_resource_byname(pdev, "korina_dma_tx");
+ p = devm_platform_ioremap_resource_byname(pdev, "dma_tx");
if (!p) {
printk(KERN_ERR DRV_NAME ": cannot remap Tx DMA registers\n");
return -ENOMEM;
@@ -1148,8 +1153,21 @@ static int korina_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id korina_match[] = {
+ {
+ .compatible = "idt,3243x-emac",
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(of, korina_match);
+#endif
+
static struct platform_driver korina_driver = {
- .driver.name = "korina",
+ .driver = {
+ .name = "korina",
+ .of_match_table = of_match_ptr(korina_match),
+ },
.probe = korina_probe,
.remove = korina_remove,
};