lantiq: allow platforms with rt2x00 to override the mac address without overriding eeprom, fixes bogus wlan mac address on arv4520

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31835 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/mac80211/patches/608-add_platform_data_mac_addr.patch

@@ -0,0 +1,63 @@
+--- a/include/linux/rt2x00_platform.h
++++ b/include/linux/rt2x00_platform.h
+@@ -14,6 +14,7 @@
+ 
+ struct rt2x00_platform_data {
+ 	char *eeprom_file_name;
++	const u8 *mac_address;
+ 
+ 	int disable_2ghz;
+ 	int disable_5ghz;
+--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
+@@ -825,6 +825,18 @@ static void rt2x00lib_rate(struct ieee80
+ 		entry->flags |= IEEE80211_RATE_SHORT_PREAMBLE;
+ }
+ 
++const u8 *rt2x00lib_get_mac_address(struct rt2x00_dev *rt2x00dev)
++{
++	struct rt2x00_platform_data *pdata;
++
++	pdata = rt2x00dev->dev->platform_data;
++	if (!pdata)
++		return NULL;
++
++	return pdata->mac_address;
++}
++EXPORT_SYMBOL_GPL(rt2x00lib_get_mac_address);
++
+ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
+ 				    struct hw_mode_spec *spec)
+ {
+--- a/drivers/net/wireless/rt2x00/rt2x00.h
++++ b/drivers/net/wireless/rt2x00/rt2x00.h
+@@ -1280,6 +1280,7 @@ static inline void rt2x00debug_dump_fram
+  */
+ u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
+ 			 struct ieee80211_vif *vif);
++const u8 *rt2x00lib_get_mac_address(struct rt2x00_dev *rt2x00dev);
+ 
+ /*
+  * Interrupt context handlers.
+--- a/drivers/net/wireless/rt2x00/rt61pci.c
++++ b/drivers/net/wireless/rt2x00/rt61pci.c
+@@ -2393,6 +2393,7 @@ static int rt61pci_validate_eeprom(struc
+ 	u32 reg;
+ 	u16 word;
+ 	u8 *mac;
++	const u8 *pdata_mac;
+ 	s8 value;
+ 
+ 	rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+@@ -2413,7 +2414,11 @@ static int rt61pci_validate_eeprom(struc
+ 	/*
+ 	 * Start validation of the data that has been read.
+ 	 */
++	pdata_mac = rt2x00lib_get_mac_address(rt2x00dev);
+ 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
++	if (pdata_mac)
++		memcpy(mac, pdata_mac, 6);
++
+ 	if (!is_valid_ether_addr(mac)) {
+ 		random_ether_addr(mac);
+ 		EEPROM(rt2x00dev, "MAC: %pM\n", mac);

target/linux/generic/files/include/linux/rt2x00_platform.h

@@ -14,6 +14,7 @@
 
 struct rt2x00_platform_data {
 	char *eeprom_file_name;
+	const u8 *mac_address;
 
 	int disable_2ghz;
 	int disable_5ghz;

target/linux/lantiq/files-3.3/arch/mips/lantiq/xway/dev-wifi-rt2x00.c

@@ -24,8 +24,9 @@ rt2x00_pci_plat_dev_init(struct pci_dev *dev)
 }
 
 void __init
-ltq_register_rt2x00(const char *firmware)
+ltq_register_rt2x00(const char *firmware, const u8 *mac)
 {
 	rt2x00_pdata.eeprom_file_name = kstrdup(firmware, GFP_KERNEL);
+	rt2x00_pdata.mac_address = mac;
 	ltqpci_plat_dev_init = rt2x00_pci_plat_dev_init;
 }

target/linux/lantiq/files-3.3/arch/mips/lantiq/xway/dev-wifi-rt2x00.h

@@ -9,6 +9,6 @@
 #ifndef _DEV_WIFI_RT2X00_H__
 #define _DEV_WIFI_RT2X00_H__
 
-extern void ltq_register_rt2x00(const char *firmware);
+extern void ltq_register_rt2x00(const char *firmware, const u8 *mac);
 
 #endif

target/linux/lantiq/files-3.3/arch/mips/lantiq/xway/mach-arv.c

@@ -597,6 +597,7 @@ arv4520pw_init(void)
 	ltq_register_pci(&ltq_pci_data);
 	ltq_register_tapi();
 	arv_register_ethernet(ARV4520PW_MAC_ADDR);
+	ltq_register_rt2x00(NULL, (const u8 *) ltq_eth_data.mac.sa_data);
 	xway_register_dwc(ARV4520PW_USB);
 
 	gpio_request(ARV4520PW_SWITCH_RESET, "switch");
@@ -686,7 +687,7 @@ arv7525pw_init(void)
 	ltq_pci_data.irq[14] = (INT_NUM_IM3_IRL0 + 31);
 	ltq_register_pci(&ltq_pci_data);
 	ltq_eth_data.mii_mode = PHY_INTERFACE_MODE_MII;
-	ltq_register_rt2x00("RT2860.eeprom");
+	ltq_register_rt2x00("RT2860.eeprom", NULL);
 	ltq_register_tapi();
 	arv_register_ethernet(ARV7525P_MAC_ADDR);
 }
@@ -773,7 +774,7 @@ arv752dpw_init(void)
 	ltq_pci_data.gpio |= PCI_EXIN1 | PCI_REQ2;
 	ltq_register_pci(&ltq_pci_data);
 	xway_register_dwc(ARV752DPW22_USB);
-	ltq_register_rt2x00("RT2860.eeprom");
+	ltq_register_rt2x00("RT2860.eeprom", NULL);
 	arv_register_ethernet(ARV752DPW22_MAC_ADDR);
 	gpio_request(ARV752DPW22_RELAY, "relay");
 	gpio_set_value(ARV752DPW22_RELAY, 1);