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path: root/package/mac80211/patches/451-add-platform-eeprom-support-to-ath5k.patch
blob: 6e03d70a74db7d525623eb4bc5e8d9d185c53d2e (plain)
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--- a/drivers/net/wireless/ath/ath5k/pci.c
+++ b/drivers/net/wireless/ath/ath5k/pci.c
@@ -19,6 +19,7 @@
 #include <linux/pci-aspm.h>
 #include <linux/etherdevice.h>
 #include <linux/module.h>
+#include <linux/ath5k_platform.h>
 #include "../ath.h"
 #include "ath5k.h"
 #include "debug.h"
@@ -69,7 +70,7 @@ static void ath5k_pci_read_cachesize(str
 }
 
 /*
- * Read from eeprom
+ * Read from eeprom or platform_data
  */
 static bool
 ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
@@ -77,6 +78,19 @@ ath5k_pci_eeprom_read(struct ath_common
 	struct ath5k_hw *ah = (struct ath5k_hw *) common->ah;
 	u32 status, timeout;
 
+	struct ath5k_platform_data *pdata = NULL;
+	
+	if (ah->pdev)
+		pdata = ah->pdev->dev.platform_data;
+
+	if (pdata && pdata->eeprom_data && pdata->eeprom_data[61] == AR5K_EEPROM_MAGIC_VALUE) {
+		if (offset >= ATH5K_PLAT_EEP_MAX_WORDS) 
+			return false;
+		
+		*data = pdata->eeprom_data[offset];
+		return true;
+	}
+
 	/*
 	 * Initialize EEPROM access
 	 */
@@ -120,6 +134,16 @@ static int ath5k_pci_eeprom_read_mac(str
 	u16 data;
 	int octet;
 
+	struct ath5k_platform_data *pdata = NULL;
+
+	if (ah->pdev)
+		pdata = ah->pdev->dev.platform_data;
+
+	if (pdata && pdata->macaddr) {
+		memcpy(mac, pdata->macaddr, ETH_ALEN);
+		return 0;
+	}
+
 	AR5K_EEPROM_READ(0x20, data);
 
 	for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) {