openwrt/package/mac80211/patches/451-add-platform-eeprom-support-to-ath5k.patch
Gabor Juhos 3f4e29691e ath5k: in-flash macs and eeprom for mach-eap7660d
This adds ath5k_platform.h to mac80211 and patches ath5k to respect
MAC addresses and eeprom content from platform_data, if supplied.

Signed-off-by: Daniel Golle <daniel.golle@gmail.com>

SVN-Revision: 22188
2010-07-15 07:36:55 +00:00

58 lines
1.4 KiB
Diff

--- a/drivers/net/wireless/ath/ath5k/eeprom.c 2010-06-23 03:08:32.000000000 +0200
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c 2010-06-23 05:59:30.000000000 +0200
@@ -22,6 +23,8 @@
\*************************************/
#include <linux/slab.h>
+#include <linux/ath5k_platform.h>
+#include <linux/pci.h>
#include "ath5k.h"
#include "reg.h"
@@ -34,6 +37,18 @@
static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data)
{
u32 status, timeout;
+ struct ath5k_platform_data *pdata = NULL;
+
+ if (ah->ah_sc->pdev)
+ pdata = ah->ah_sc->pdev->dev.platform_data;
+
+ if (pdata && pdata->eeprom_data && pdata->eeprom_data[0] == AR5K_EEPROM_MAGIC_VALUE)
+ {
+ ATH5K_INFO(ah->ah_sc, "using eeprom-content from platform_data\n");
+ if (offset >= ATH5K_PLAT_EEP_MAX_WORDS) return -EIO;
+ *data = pdata->eeprom_data[offset];
+ return 0;
+ }
/*
* Initialize EEPROM access
@@ -1788,7 +1802,7 @@
}
/*
- * Read the MAC address from eeprom
+ * Read the MAC address from eeprom or platform_data
*/
int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
{
@@ -1796,6 +1810,16 @@
u32 total, offset;
u16 data;
int octet, ret;
+ struct ath5k_platform_data *pdata = NULL;
+
+ if (ah->ah_sc->pdev)
+ pdata = ah->ah_sc->pdev->dev.platform_data;
+
+ if (pdata && pdata->macaddr)
+ {
+ memcpy(mac, pdata->macaddr, ETH_ALEN);
+ return 0;
+ }
ret = ath5k_hw_eeprom_read(ah, 0x20, &data);
if (ret)