package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch

   1 --- a/drivers/net/wireless/ath/ath5k/reset.c
   2 +++ b/drivers/net/wireless/ath/ath5k/reset.c
   3 @@ -1296,8 +1296,14 @@ int ath5k_hw_reset(struct ath5k_hw *ah,
   4         if (ah->ah_version != AR5K_AR5210) {
   5                 AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
   6                         AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
   7 +#ifndef CONFIG_ATHEROS_AR71XX
   8                 AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
   9                         AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B);
  10 +#else
  11 +               /* WAR for AR71xx PCI bug */
  12 +               AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
  13 +                       AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B);
  14 +#endif
  15         }
  16
  17         /* Pre-enable interrupts on 5211/5212*/
  18 --- a/drivers/net/wireless/ath/ath5k/initvals.c
  19 +++ b/drivers/net/wireless/ath/ath5k/initvals.c
  20 @@ -59,7 +59,12 @@ static const struct ath5k_ini ar5210_ini
  21         { AR5K_IER,             AR5K_IER_DISABLE },
  22         { AR5K_BSR,             0, AR5K_INI_READ },
  23         { AR5K_TXCFG,           AR5K_DMASIZE_128B },
  24 +#ifndef CONFIG_ATHEROS_AR71XX
  25         { AR5K_RXCFG,           AR5K_DMASIZE_128B },
  26 +#else
  27 +       /* WAR for AR71xx PCI bug */
  28 +       { AR5K_RXCFG,           AR5K_DMASIZE_4B },
  29 +#endif
  30         { AR5K_CFG,             AR5K_INIT_CFG },
  31         { AR5K_TOPS,            8 },
  32         { AR5K_RXNOFRM,         8 },