text: --- a/drivers/net/wireless/ath/ath5k/initvals.c
  +++ b/drivers/net/wireless/ath/ath5k/initvals.c
  @@ -62,8 +62,14 @@ static const struct ath5k_ini ar5210_ini
   	{ AR5K_IMR,		0 },
   	{ AR5K_IER,		AR5K_IER_DISABLE },
   	{ AR5K_BSR,		0, AR5K_INI_READ },
  +#if !defined(CONFIG_ATHEROS_AR71XX) && !defined(CONFIG_ATH79)
   	{ AR5K_TXCFG,		AR5K_DMASIZE_128B },
   	{ AR5K_RXCFG,		AR5K_DMASIZE_128B },
  +#else
  +	/* WAR for AR71xx PCI bug */
  +	{ AR5K_TXCFG,		AR5K_DMASIZE_128B },
  +	{ AR5K_RXCFG,		AR5K_DMASIZE_4B },
  +#endif
   	{ AR5K_CFG,		AR5K_INIT_CFG },
   	{ AR5K_TOPS,		8 },
   	{ AR5K_RXNOFRM,		8 },
  --- a/drivers/net/wireless/ath/ath5k/dma.c
  +++ b/drivers/net/wireless/ath/ath5k/dma.c
  @@ -869,10 +869,18 @@ ath5k_hw_dma_init(struct ath5k_hw *ah)
   	 * guess we can tweak it and see how it goes ;-)
   	 */
   	if (ah->ah_version != AR5K_AR5210) {
  +#if !defined(CONFIG_ATHEROS_AR71XX) && !defined(CONFIG_ATH79)
   		AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
   			AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
   		AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
   			AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B);
  +#else
  +		/* WAR for AR71xx PCI bug */
  +		AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
  +			AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
  +		AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
  +			AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B);
  +#endif
   	}
   
   	/* Pre-enable interrupts on 5211/5212*/
  