diff options
Diffstat (limited to 'package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch b/package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch new file mode 100644 index 0000000000..d9672d473f --- /dev/null +++ b/package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch @@ -0,0 +1,38 @@ +--- 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 +@@ -860,10 +860,18 @@ 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*/ |