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net: ethernet: enc28j60: add device tree support

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The following patch adds the required match table for device tree support
(and while at, fix the indent). It's also possible to specify the
MAC address in the DT blob.

Also add the corresponding binding documentation file.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Heimpold
2016-04-28 22:06:15 +02:00
committed by David S. Miller
parent 2957a28a0e
commit 2dd355a007
2 changed files with 76 additions and 3 deletions
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20
drivers/net/ethernet/microchip/enc28j60.c
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@@ -28,11 +28,12 @@
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/spi/spi.h>
#include <linux/of_net.h>
#include "enc28j60_hw.h"
#define DRV_NAME "enc28j60"
#define DRV_VERSION "1.01"
#define DRV_VERSION "1.02"
#define SPI_OPLEN 1
@@ -1548,6 +1549,7 @@ static int enc28j60_probe(struct spi_device *spi)
{
struct net_device *dev;
struct enc28j60_net *priv;
const void *macaddr;
int ret = 0;
if (netif_msg_drv(&debug))
@@ -1579,7 +1581,12 @@ static int enc28j60_probe(struct spi_device *spi)
ret = -EIO;
goto error_irq;
}
eth_hw_addr_random(dev);
macaddr = of_get_mac_address(spi->dev.of_node);
if (macaddr)
ether_addr_copy(dev->dev_addr, macaddr);
else
eth_hw_addr_random(dev);
enc28j60_set_hw_macaddr(dev);
/* Board setup must set the relevant edge trigger type;
@@ -1634,9 +1641,16 @@ static int enc28j60_remove(struct spi_device *spi)
return 0;
}
static const struct of_device_id enc28j60_dt_ids[] = {
{ .compatible = "microchip,enc28j60" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, enc28j60_dt_ids);
static struct spi_driver enc28j60_driver = {
.driver = {
.name = DRV_NAME,
.name = DRV_NAME,
.of_match_table = enc28j60_dt_ids,
},
.probe = enc28j60_probe,
.remove = enc28j60_remove,