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

SVN-Revision: 31835
lede-17.01
Felix Fietkau 2012-05-20 21:58:03 +00:00
parent 102640b4cf
commit 9037c2ccc6
5 changed files with 70 additions and 4 deletions

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@ -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);

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

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@ -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;
}

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@ -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

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@ -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);