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mac80211/ath5k: add workaround for the AR71xx PCI bug

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SVN-Revision: 16535
This commit is contained in:
Gabor Juhos 2009-06-21 14:38:15 +00:00
parent 6e42b25c88
commit 77bb9494c2
2 changed files with 33 additions and 1 deletions
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2
package/mac80211/Makefile
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@ -18,7 +18,7 @@ ifneq ($(CONFIG_LINUX_2_6_21)$(CONFIG_LINUX_2_6_23)$(CONFIG_LINUX_2_6_24)$(CONFI
PATCH_DIR:=./patches-old
else
PKG_VERSION:=2009-06-02
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE_URL:= \
http://www.orbit-lab.org/kernel/compat-wireless-2.6/2009/06 \
http://wireless.kernel.org/download/compat-wireless-2.6

32
package/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch Normal file
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@ -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 },