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authorRaffaele Recalcati <raffaele.recalcati@bticino.it>2012-06-03 14:43:43 +0400
committerDavid S. Miller <davem@davemloft.net>2012-06-04 19:43:00 +0400
commit29a6b6c060445eb46528785d51a2d8b0e6d898c4 (patch)
tree8974b26b16a2c074aeb0b1ae8fc6076211e0cf85
parentd594e987c6f5417cc63dd7e107a2a03a7eeee03f (diff)
downloadlinux-29a6b6c060445eb46528785d51a2d8b0e6d898c4.tar.xz
net/ethernet: ks8851_mll mac address configuration support added
Signed-off-by: Raffaele Recalcati <raffaele.recalcati@bticino.it> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/micrel/ks8851_mll.c25
-rw-r--r--include/linux/ks8851_mll.h33
2 files changed, 51 insertions, 7 deletions
diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
index 5ffde23ac8fb..70bd329882c6 100644
--- a/drivers/net/ethernet/micrel/ks8851_mll.c
+++ b/drivers/net/ethernet/micrel/ks8851_mll.c
@@ -35,7 +35,7 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/ks8851_mll.h>
#define DRV_NAME "ks8851_mll"
@@ -1515,6 +1515,7 @@ static int __devinit ks8851_probe(struct platform_device *pdev)
struct net_device *netdev;
struct ks_net *ks;
u16 id, data;
+ struct ks8851_mll_platform_data *pdata;
io_d = platform_get_resource(pdev, IORESOURCE_MEM, 0);
io_c = platform_get_resource(pdev, IORESOURCE_MEM, 1);
@@ -1596,17 +1597,27 @@ static int __devinit ks8851_probe(struct platform_device *pdev)
ks_disable_qmu(ks);
ks_setup(ks);
ks_setup_int(ks);
- memcpy(netdev->dev_addr, ks->mac_addr, 6);
data = ks_rdreg16(ks, KS_OBCR);
ks_wrreg16(ks, KS_OBCR, data | OBCR_ODS_16MA);
- /**
- * If you want to use the default MAC addr,
- * comment out the 2 functions below.
- */
+ /* overwriting the default MAC address */
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ netdev_err(netdev, "No platform data\n");
+ err = -ENODEV;
+ goto err_register;
+ }
+ memcpy(ks->mac_addr, pdata->mac_addr, 6);
+ if (!is_valid_ether_addr(ks->mac_addr)) {
+ /* Use random MAC address if none passed */
+ random_ether_addr(ks->mac_addr);
+ netdev_info(netdev, "Using random mac address\n");
+ }
+ netdev_info(netdev, "Mac address is: %pM\n", ks->mac_addr);
+
+ memcpy(netdev->dev_addr, ks->mac_addr, 6);
- random_ether_addr(netdev->dev_addr);
ks_set_mac(ks, netdev->dev_addr);
id = ks_rdreg16(ks, KS_CIDER);
diff --git a/include/linux/ks8851_mll.h b/include/linux/ks8851_mll.h
new file mode 100644
index 000000000000..e9ccfb59ed30
--- /dev/null
+++ b/include/linux/ks8851_mll.h
@@ -0,0 +1,33 @@
+/*
+ * ks8861_mll platform data struct definition
+ * Copyright (c) 2012 BTicino S.p.A.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LINUX_KS8851_MLL_H
+#define _LINUX_KS8851_MLL_H
+
+#include <linux/if_ether.h>
+
+/**
+ * struct ks8851_mll_platform_data - Platform data of the KS8851_MLL network driver
+ * @macaddr: The MAC address of the device, set to all 0:s to use the on in
+ * the chip.
+ */
+struct ks8851_mll_platform_data {
+ u8 mac_addr[ETH_ALEN];
+};
+
+#endif