| 1 | --- a/drivers/net/wireless/ath/ath5k/reset.c |
| 2 | +++ b/drivers/net/wireless/ath/ath5k/reset.c |
| 3 | @@ -1334,10 +1334,18 @@ int ath5k_hw_reset(struct ath5k_hw *ah, |
| 4 | * guess we can tweak it and see how it goes ;-) |
| 5 | */ |
| 6 | if (ah->ah_version != AR5K_AR5210) { |
| 7 | +#ifndef CONFIG_ATHEROS_AR71XX |
| 8 | AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG, |
| 9 | AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B); |
| 10 | AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG, |
| 11 | AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B); |
| 12 | +#else |
| 13 | + /* WAR for AR71xx PCI bug */ |
| 14 | + AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG, |
| 15 | + AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_4B); |
| 16 | + AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG, |
| 17 | + AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B); |
| 18 | +#endif |
| 19 | } |
| 20 | |
| 21 | /* Pre-enable interrupts on 5211/5212*/ |
| 22 | --- a/drivers/net/wireless/ath/ath5k/initvals.c |
| 23 | +++ b/drivers/net/wireless/ath/ath5k/initvals.c |
| 24 | @@ -58,8 +58,14 @@ static const struct ath5k_ini ar5210_ini |
| 25 | { AR5K_IMR, 0 }, |
| 26 | { AR5K_IER, AR5K_IER_DISABLE }, |
| 27 | { AR5K_BSR, 0, AR5K_INI_READ }, |
| 28 | +#ifndef CONFIG_ATHEROS_AR71XX |
| 29 | { AR5K_TXCFG, AR5K_DMASIZE_128B }, |
| 30 | { AR5K_RXCFG, AR5K_DMASIZE_128B }, |
| 31 | +#else |
| 32 | + /* WAR for AR71xx PCI bug */ |
| 33 | + { AR5K_TXCFG, AR5K_DMASIZE_4B }, |
| 34 | + { AR5K_RXCFG, AR5K_DMASIZE_4B }, |
| 35 | +#endif |
| 36 | { AR5K_CFG, AR5K_INIT_CFG }, |
| 37 | { AR5K_TOPS, 8 }, |
| 38 | { AR5K_RXNOFRM, 8 }, |
| 39 | |
