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| author |   David S. Miller <davem@davemloft.net> | 2010-02-27 02:05:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-27 02:05:54 -0800 |
| commit | ce300c7ffa61165f9bfd16e511ee0cd4114977ab (patch) | |
| tree | 874b57409bad0c9620a431272e6bf5c94e270253 /drivers/net/wireless/ath | |
| parent | net: Delete isa-skeleton net driver (diff) | |
| parent | b43: fall back gracefully to PIO mode after fatal DMA errors (diff) | |
| download | linux-dev-ce300c7ffa61165f9bfd16e511ee0cd4114977ab.tar.xz linux-dev-ce300c7ffa61165f9bfd16e511ee0cd4114977ab.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/phy.h | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index f00f5c744f48..2e767cf22f1e 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1310,6 +1310,16 @@ static void ath9k_hw_override_ini(struct ath_hw *ah, * 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, diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h index 31de27dc0c4a..0999a495fd46 100644 --- 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 *ah, #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 |