6cafa236a7cc15a25f6ed3bd492f46583a48579a
[openwrt.git] / package / mac80211 / patches / 431-add_platform_eeprom_support_to_ath5k.patch
1 --- a/drivers/net/wireless/ath/ath5k/pci.c
2 +++ b/drivers/net/wireless/ath/ath5k/pci.c
3 @@ -23,6 +23,7 @@
4  #include <linux/pci-aspm.h>
5  #include <linux/etherdevice.h>
6  #include <linux/module.h>
7 +#include <linux/ath5k_platform.h>
8  #include "../ath.h"
9  #include "ath5k.h"
10  #include "debug.h"
11 @@ -74,7 +75,7 @@ static void ath5k_pci_read_cachesize(str
12  }
13  
14  /*
15 - * Read from eeprom
16 + * Read from eeprom or platform_data
17   */
18  static bool
19  ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
20 @@ -82,6 +83,19 @@ ath5k_pci_eeprom_read(struct ath_common 
21         struct ath5k_hw *ah = (struct ath5k_hw *) common->ah;
22         u32 status, timeout;
23  
24 +       struct ath5k_platform_data *pdata = NULL;
25 +       
26 +       if (ah->pdev)
27 +               pdata = ah->pdev->dev.platform_data;
28 +
29 +       if (pdata && pdata->eeprom_data && pdata->eeprom_data[61] == AR5K_EEPROM_MAGIC_VALUE) {
30 +               if (offset >= ATH5K_PLAT_EEP_MAX_WORDS) 
31 +                       return false;
32 +               
33 +               *data = pdata->eeprom_data[offset];
34 +               return true;
35 +       }
36 +
37         /*
38          * Initialize EEPROM access
39          */
40 @@ -125,6 +139,16 @@ static int ath5k_pci_eeprom_read_mac(str
41         u16 data;
42         int octet;
43  
44 +       struct ath5k_platform_data *pdata = NULL;
45 +
46 +       if (ah->pdev)
47 +               pdata = ah->pdev->dev.platform_data;
48 +
49 +       if (pdata && pdata->macaddr) {
50 +               memcpy(mac, pdata->macaddr, ETH_ALEN);
51 +               return 0;
52 +       }
53 +
54         AR5K_EEPROM_READ(0x20, data);
55  
56         for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) {