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https://github.com/openwrt/openwrt.git
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39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
--- a/drivers/net/wireless/ath/ath5k/reset.c
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+++ b/drivers/net/wireless/ath/ath5k/reset.c
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@@ -1334,10 +1334,18 @@ int ath5k_hw_reset(struct ath5k_hw *ah,
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* guess we can tweak it and see how it goes ;-)
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*/
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if (ah->ah_version != AR5K_AR5210) {
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+#ifndef CONFIG_ATHEROS_AR71XX
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AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
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AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
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AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
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AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B);
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+#else
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+ /* WAR for AR71xx PCI bug */
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+ AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
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+ AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_4B);
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+ AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
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+ AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B);
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+#endif
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}
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/* Pre-enable interrupts on 5211/5212*/
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--- a/drivers/net/wireless/ath/ath5k/initvals.c
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+++ b/drivers/net/wireless/ath/ath5k/initvals.c
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@@ -58,8 +58,14 @@ static const struct ath5k_ini ar5210_ini
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{ AR5K_IMR, 0 },
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{ AR5K_IER, AR5K_IER_DISABLE },
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{ AR5K_BSR, 0, AR5K_INI_READ },
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+#ifndef CONFIG_ATHEROS_AR71XX
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{ AR5K_TXCFG, AR5K_DMASIZE_128B },
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{ AR5K_RXCFG, AR5K_DMASIZE_128B },
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+#else
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+ /* WAR for AR71xx PCI bug */
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+ { AR5K_TXCFG, AR5K_DMASIZE_4B },
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+ { AR5K_RXCFG, AR5K_DMASIZE_4B },
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+#endif
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{ AR5K_CFG, AR5K_INIT_CFG },
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{ AR5K_TOPS, 8 },
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{ AR5K_RXNOFRM, 8 },
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