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

1--- a/drivers/net/wireless/ath/ath5k/initvals.c
2+++ b/drivers/net/wireless/ath/ath5k/initvals.c
3@@ -60,8 +60,14 @@ static const struct ath5k_ini ar5210_ini
4     { AR5K_IMR, 0 },
5     { AR5K_IER, AR5K_IER_DISABLE },
6     { AR5K_BSR, 0, AR5K_INI_READ },
7+#if !defined(CONFIG_ATHEROS_AR71XX) && !defined(CONFIG_ATH79)
8     { AR5K_TXCFG, AR5K_DMASIZE_128B },
9     { AR5K_RXCFG, AR5K_DMASIZE_128B },
10+#else
11+ /* WAR for AR71xx PCI bug */
12+ { AR5K_TXCFG, AR5K_DMASIZE_128B },
13+ { AR5K_RXCFG, AR5K_DMASIZE_4B },
14+#endif
15     { AR5K_CFG, AR5K_INIT_CFG },
16     { AR5K_TOPS, 8 },
17     { AR5K_RXNOFRM, 8 },
18--- a/drivers/net/wireless/ath/ath5k/dma.c
19+++ b/drivers/net/wireless/ath/ath5k/dma.c
20@@ -858,10 +858,18 @@ ath5k_hw_dma_init(struct ath5k_hw *ah)
21      * guess we can tweak it and see how it goes ;-)
22      */
23     if (ah->ah_version != AR5K_AR5210) {
24+#if !defined(CONFIG_ATHEROS_AR71XX) && !defined(CONFIG_ATH79)
25         AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
26             AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
27         AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
28             AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B);
29+#else
30+ /* WAR for AR71xx PCI bug */
31+ AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
32+ AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
33+ AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
34+ AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B);
35+#endif
36     }
37 
38     /* Pre-enable interrupts on 5211/5212*/
39

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