--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1297,8 +1297,14 @@ int ath5k_hw_reset(struct ath5k_hw *ah, 
 	if (ah->ah_version != AR5K_AR5210) {
 		AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
 			AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
+#ifndef CONFIG_ATHEROS_AR71XX
 		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_RXCFG,
+			AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B);
+#endif
 	}
 
 	/* Pre-enable interrupts on 5211/5212*/
--- a/drivers/net/wireless/ath/ath5k/initvals.c
+++ b/drivers/net/wireless/ath/ath5k/initvals.c
@@ -59,7 +59,12 @@ static const struct ath5k_ini ar5210_ini
 	{ AR5K_IER,		AR5K_IER_DISABLE },
 	{ AR5K_BSR,		0, AR5K_INI_READ },
 	{ AR5K_TXCFG,		AR5K_DMASIZE_128B },
+#ifndef CONFIG_ATHEROS_AR71XX
 	{ AR5K_RXCFG,		AR5K_DMASIZE_128B },
+#else
+	/* WAR for AR71xx PCI bug */
+	{ AR5K_RXCFG,		AR5K_DMASIZE_4B },
+#endif
 	{ AR5K_CFG,		AR5K_INIT_CFG },
 	{ AR5K_TOPS,		8 },
 	{ AR5K_RXNOFRM,		8 },