From: Mathias Kresin <dev@kresin.me>
To: linux-wireless@vger.kernel.org
Subject: [PATCH] rt2x00: add support for mac addr from device tree
Date: Thu, 25 Aug 2016 10:19:22 +0200 [thread overview]
Message-ID: <1472113162-26915-1-git-send-email-dev@kresin.me> (raw)
The EEPROM used on some CPEs has for every device the same generic
ralink mac in EEPROM and needs to be overridden.
Signed-off-by: Mathias Kresin <dev@kresin.me>
---
drivers/net/wireless/ralink/rt2x00/rt2400pci.c | 5 +----
drivers/net/wireless/ralink/rt2x00/rt2500pci.c | 5 +----
drivers/net/wireless/ralink/rt2x00/rt2500usb.c | 5 +----
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 5 +----
drivers/net/wireless/ralink/rt2x00/rt2x00.h | 1 +
drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 17 +++++++++++++++++
drivers/net/wireless/ralink/rt2x00/rt61pci.c | 5 +----
drivers/net/wireless/ralink/rt2x00/rt73usb.c | 5 +----
8 files changed, 24 insertions(+), 24 deletions(-)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
index 155f343..085c5b4 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
@@ -1459,10 +1459,7 @@ static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Start validation of the data that has been read.
*/
mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
- if (!is_valid_ether_addr(mac)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
+ rt2x00lib_set_mac_address(rt2x00dev, mac);
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
if (word == 0xffff) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
index 2553cdd..9832fd5 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
@@ -1585,10 +1585,7 @@ static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Start validation of the data that has been read.
*/
mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
- if (!is_valid_ether_addr(mac)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
+ rt2x00lib_set_mac_address(rt2x00dev, mac);
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
if (word == 0xffff) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
index 2d64611..cd3ab5a 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
@@ -1349,10 +1349,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Start validation of the data that has been read.
*/
mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
- if (!is_valid_ether_addr(mac)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
+ rt2x00lib_set_mac_address(rt2x00dev, mac);
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
if (word == 0xffff) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index bf3f0a3..59c49af 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -6919,10 +6919,7 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Start validation of the data that has been read.
*/
mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
- if (!is_valid_ether_addr(mac)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
+ rt2x00lib_set_mac_address(rt2x00dev, mac);
rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
if (word == 0xffff) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index f68d492..aa3d4cee 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -1403,6 +1403,7 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
*/
u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
struct ieee80211_vif *vif);
+void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr);
/*
* Interrupt context handlers.
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
index 4e0c565..d659250 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -26,6 +26,8 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/log2.h>
+#include <linux/of.h>
+#include <linux/of_net.h>
#include "rt2x00.h"
#include "rt2x00lib.h"
@@ -931,6 +933,21 @@ static void rt2x00lib_rate(struct ieee80211_rate *entry,
entry->flags |= IEEE80211_RATE_SHORT_PREAMBLE;
}
+void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr)
+{
+ const char *mac_addr;
+
+ mac_addr = of_get_mac_address(rt2x00dev->dev->of_node);
+ if (mac_addr)
+ ether_addr_copy(eeprom_mac_addr, mac_addr);
+
+ if (!is_valid_ether_addr(eeprom_mac_addr)) {
+ eth_random_addr(eeprom_mac_addr);
+ rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", eeprom_mac_addr);
+ }
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_set_mac_address);
+
static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
struct hw_mode_spec *spec)
{
diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
index 03013eb..5306a3b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
@@ -2413,10 +2413,7 @@ static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Start validation of the data that has been read.
*/
mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
- if (!is_valid_ether_addr(mac)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
+ rt2x00lib_set_mac_address(rt2x00dev, mac);
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
if (word == 0xffff) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c
index c1397a6..1a29c4d 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c
@@ -1766,10 +1766,7 @@ static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Start validation of the data that has been read.
*/
mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
- if (!is_valid_ether_addr(mac)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
+ rt2x00lib_set_mac_address(rt2x00dev, mac);
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
if (word == 0xffff) {
--
2.7.4
next reply other threads:[~2016-08-25 8:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-25 8:19 Mathias Kresin [this message]
2016-08-25 9:33 ` [PATCH] rt2x00: add support for mac addr from device tree Stanislaw Gruszka
2016-08-25 11:12 ` Mathias Kresin
2016-08-25 13:19 ` Stanislaw Gruszka
2016-08-25 15:03 ` Mathias Kresin
2016-08-25 15:18 ` Stanislaw Gruszka
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