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Fixes the MAC address handling on avila NPE on startup

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Replaces/based-on 740-avila_loft_mac_platform.patch for 2.6.21

Signed-off-by: Harald Schioeberg <pagefault@c-base.org>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10114 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz 2008-01-04 12:17:49 +00:00
parent eded00259e
commit babdee48bc
1 changed files with 72 additions and 0 deletions
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72
target/linux/ixp4xx/patches-2.6.23/300-avila_fetch_mac.patch Normal file
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@ -0,0 +1,72 @@
diff -r -u linux-2.6.23.12/arch/arm/mach-ixp4xx/avila-setup.c ../../../../trunk/build_dir/linux-ixp4xx_generic/linux-2.6.23.12/arch/arm/mach-ixp4xx/avila-setup.c
--- linux-2.6.23.12/arch/arm/mach-ixp4xx/avila-setup.c 2008-01-04 01:28:24.134925761 +0100
+++ ../../../../trunk/build_dir/linux-ixp4xx_generic/linux-2.6.23.12/arch/arm/mach-ixp4xx/avila-setup.c 2008-01-04 01:23:27.874042817 +0100
@@ -14,10 +14,18 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/if_ether.h>
+#include <linux/socket.h>
+#include <linux/netdevice.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/slab.h>
+#ifdef CONFIG_SENSORS_EEPROM
+# include <linux/i2c.h>
+# include <linux/eeprom.h>
+#endif
+
#include <linux/i2c-gpio.h>
#include <asm/types.h>
@@ -194,9 +202,48 @@
t->hdr.size = 0;
}
+#ifdef CONFIG_SENSORS_EEPROM
+static int loft_eeprom_do(struct notifier_block *self, unsigned long event, void *t)
+{
+ struct eeprom_data *data = t;
+ struct sockaddr address;
+ struct net_device * netdev ;
+
+ char macs[12];
+
+ /* The MACs are the first 12 bytes in the eeprom at address 0x51 */
+ if (event == EEPROM_REGISTER && data->client.addr == 0x51) {
+ data->attr->read(&data->client.dev.kobj, data->attr, macs, 0, 12);
+ /*eth0*/
+ /* using dev_get_by_name here is really ugly and can cause
+ * confusion if other ethernet devices are present. FIXME */
+
+ memcpy(address.sa_data, macs, ETH_ALEN);
+ memcpy(&avila_plat_eth[0].hwaddr, macs, ETH_ALEN);
+ if ( (netdev = dev_get_by_name("eth0")) )
+ netdev->set_mac_address(netdev, &address);
+
+ /*same for eth1*/
+ memcpy(address.sa_data, macs + ETH_ALEN, ETH_ALEN);
+ memcpy(&avila_plat_eth[1].hwaddr, macs + ETH_ALEN, ETH_ALEN);
+ if ( (netdev = dev_get_by_name("eth1")) )
+ netdev->set_mac_address(netdev, &address);
+ }
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block loft_eeprom_notifier = {
+ .notifier_call = loft_eeprom_do
+};
+#endif
+
static void __init avila_init(void)
{
ixp4xx_sys_init();
+#ifdef CONFIG_SENSORS_EEPROM
+ register_eeprom_notifier(&loft_eeprom_notifier);
+#endif
avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
avila_flash_resource.end =