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| author | John W. Linville <linville@tuxdriver.com> | 2011-05-27 23:18:35 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-05-27 23:18:35 +0400 |
| commit | 11ad2f52826ac6d58d6780d3d8a3e098c88d9142 (patch) | |
| tree | 92206a4063520aa749f0086f5addb9889f6d6b6f /drivers/net/wireless/ath/ath9k/ar9003_phy.c | |
| parent | c5c177b4aca83338781e72be2e6dd1601c560cb3 (diff) | |
| parent | 1df85ecec36ad5da3f0165760704310d6c03f65f (diff) | |
| download | linux-11ad2f52826ac6d58d6780d3d8a3e098c88d9142.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index eee23ecd118a..892c48b15434 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -1381,3 +1381,25 @@ void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah) "==== BB update: done ====\n\n"); } EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info); + +void ar9003_hw_disable_phy_restart(struct ath_hw *ah) +{ + u32 val; + + /* While receiving unsupported rate frame rx state machine + * gets into a state 0xb and if phy_restart happens in that + * state, BB would go hang. If RXSM is in 0xb state after + * first bb panic, ensure to disable the phy_restart. + */ + if (!((MS(ah->bb_watchdog_last_status, + AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) || + ah->bb_hang_rx_ofdm)) + return; + + ah->bb_hang_rx_ofdm = true; + val = REG_READ(ah, AR_PHY_RESTART); + val &= ~AR_PHY_RESTART_ENA; + + REG_WRITE(ah, AR_PHY_RESTART, val); +} +EXPORT_SYMBOL(ar9003_hw_disable_phy_restart); |