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authorGabor Juhos <juhosg@openwrt.org>2009-06-21 14:38:15 +0000
committerGabor Juhos <juhosg@openwrt.org>2009-06-21 14:38:15 +0000
commit77bb9494c2b517576d3f9fac636c20c28cfb76ed (patch)
treebd50b03e391ddd23aa73e595772976c9aca4675d /package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch
parent6e42b25c88119d50df668e12f0e62579c622d0ca (diff)
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mac80211/ath5k: add workaround for the AR71xx PCI bug
SVN-Revision: 16535
Diffstat (limited to 'package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch')
-rw-r--r--package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch b/package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch
new file mode 100644
index 0000000000..ca0478640e
--- /dev/null
+++ b/package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch
@@ -0,0 +1,32 @@
+--- 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 },