package/mac80211/patches/560-ath9k_ar9003_otp_fallback.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
   3 @@ -3260,10 +3260,20 @@ static int ar9300_eeprom_restore_interna
   4         int it;
   5         u16 checksum, mchecksum;
   6         struct ath_common *common = ath9k_hw_common(ah);
   7 +       struct ar9300_eeprom *eep;
   8         eeprom_read_op read;
   9
  10 -       if (ath9k_hw_use_flash(ah))
  11 -               return ar9300_eeprom_restore_flash(ah, mptr, mdata_size);
  12 +       if (ath9k_hw_use_flash(ah)) {
  13 +               u8 txrx;
  14 +
  15 +               ar9300_eeprom_restore_flash(ah, mptr, mdata_size);
  16 +
  17 +               /* check if eeprom contains valid data */
  18 +               eep = (struct ar9300_eeprom *) mptr;
  19 +               txrx = eep->baseEepHeader.txrxMask;
  20 +               if (txrx != 0 && txrx != 0xff)
  21 +                       return 0;
  22 +       }
  23
  24         word = kzalloc(2048, GFP_KERNEL);
  25         if (!word)