diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-04-19 01:19:45 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-20 01:58:14 +0300 |
| commit | 10b26f0781511dc5c1b29303ee431cad08aa9944 (patch) | |
| tree | b566cefa7572320e673ed0b60fea4493cc26129f | |
| parent | af80425e05b23e937e4a3490442f37eedb5242f6 (diff) | |
| download | linux-10b26f0781511dc5c1b29303ee431cad08aa9944.tar.xz | |
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>
| -rw-r--r-- | arch/mips/rb532/devices.c | 20 | ||||
| -rw-r--r-- | drivers/net/ethernet/korina.c | 32 |
2 files changed, 30 insertions, 22 deletions
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 5fc3c8ee4f31..04684990e28e 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -58,37 +58,27 @@ EXPORT_SYMBOL(get_latch_u5); static struct resource korina_dev0_res[] = { { - .name = "korina_regs", + .name = "emac", .start = ETH0_BASE_ADDR, .end = ETH0_BASE_ADDR + sizeof(struct eth_regs), .flags = IORESOURCE_MEM, }, { - .name = "korina_rx", + .name = "rx", .start = ETH0_DMA_RX_IRQ, .end = ETH0_DMA_RX_IRQ, .flags = IORESOURCE_IRQ }, { - .name = "korina_tx", + .name = "tx", .start = ETH0_DMA_TX_IRQ, .end = ETH0_DMA_TX_IRQ, .flags = IORESOURCE_IRQ }, { - .name = "korina_ovr", - .start = ETH0_RX_OVR_IRQ, - .end = ETH0_RX_OVR_IRQ, - .flags = IORESOURCE_IRQ - }, { - .name = "korina_und", - .start = ETH0_TX_UND_IRQ, - .end = ETH0_TX_UND_IRQ, - .flags = IORESOURCE_IRQ - }, { - .name = "korina_dma_rx", + .name = "dma_rx", .start = ETH0_RX_DMA_ADDR, .end = ETH0_RX_DMA_ADDR + DMA_CHAN_OFFSET - 1, .flags = IORESOURCE_MEM, }, { - .name = "korina_dma_tx", + .name = "dma_tx", .start = ETH0_TX_DMA_ADDR, .end = ETH0_TX_DMA_ADDR + DMA_CHAN_OFFSET - 1, .flags = IORESOURCE_MEM, 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, }; |