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openwrt-xburst/package/mac80211/patches/451-add-platform-eeprom-support-to-ath5k.patch
nbd 2cedae1d3d mac80211: update to wireless-testing 2010-08-31
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22865 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-08-31 23:34:21 +00:00

57 lines
1.4 KiB
Diff

--- a/drivers/net/wireless/ath/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
@@ -22,6 +22,8 @@
\*************************************/
#include <linux/slab.h>
+#include <linux/ath5k_platform.h>
+#include <linux/pci.h>
#include "ath5k.h"
#include "reg.h"
@@ -34,6 +36,18 @@
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 @@ ath5k_eeprom_init(struct ath5k_hw *ah)
}
/*
- * 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 @@ int ath5k_eeprom_read_mac(struct ath5k_h
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)