diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-02-24 03:43:30 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-02-24 03:43:30 +0000 |
| commit | 1f3a10b9666e623a4e8eb03cd36b9e8a93866594 (patch) | |
| tree | 6157413924d289c6006066a8187d6037784a0e95 | |
| parent | 0d1136ea2c6a5a9c2758449c945cbbb0ff37b34b (diff) | |
ath9k: disable RIFS search on some chips to avoid baseband hangs
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19829 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | package/mac80211/patches/550-ath9k_rifs_disable.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/mac80211/patches/550-ath9k_rifs_disable.patch b/package/mac80211/patches/550-ath9k_rifs_disable.patch new file mode 100644 index 000000000..57441b643 --- /dev/null +++ b/package/mac80211/patches/550-ath9k_rifs_disable.patch @@ -0,0 +1,31 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1326,6 +1326,16 @@ static void ath9k_hw_override_ini(struct + * Necessary to avoid issues on AR5416 2.0 + */ + REG_WRITE(ah, 0x9800 + (651 << 2), 0x11); ++ ++ /* ++ * Disable RIFS search on some chips to avoid baseband ++ * hang issues. ++ */ ++ if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) { ++ val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS); ++ val &= ~AR_PHY_RIFS_INIT_DELAY; ++ REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val); ++ } + } + + static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah, +--- a/drivers/net/wireless/ath/ath9k/phy.h ++++ b/drivers/net/wireless/ath/ath9k/phy.h +@@ -384,6 +384,9 @@ bool ath9k_hw_set_rf_regs(struct ath_hw + + #define AR_PHY_HEAVY_CLIP_ENABLE 0x99E0 + ++#define AR_PHY_HEAVY_CLIP_FACTOR_RIFS 0x99EC ++#define AR_PHY_RIFS_INIT_DELAY 0x03ff0000 ++ + #define AR_PHY_M_SLEEP 0x99f0 + #define AR_PHY_REFCLKDLY 0x99f4 + #define AR_PHY_REFCLKPD 0x99f8 |