This is a note to let you know that I've just added the patch titled ath9k_hw: fix chain swap setting when setting rx chainmask to 5 to the 3.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ath9k_hw-fix-chain-swap-setting-when-setting-rx-chainmask-to-5.patch and it can be found in the queue-3.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 959f049dfb62b517cbb3dd48ed2fb7d9c713ce16 Mon Sep 17 00:00:00 2001 From: Felix Fietkau <nbd@xxxxxxxxxxx> Date: Sun, 20 Jan 2013 21:55:21 +0100 Subject: ath9k_hw: fix chain swap setting when setting rx chainmask to 5 From: Felix Fietkau <nbd@xxxxxxxxxxx> commit 959f049dfb62b517cbb3dd48ed2fb7d9c713ce16 upstream. commit 24171dd92096fc370b195f3f6bdc0798855dc3f9 upstream. Chain swapping should only be enabled when the EEPROM chainmask is set to 5, regardless of what the runtime chainmask is. Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx> Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx> [bwh: Backported to 3.2: keep the special case for AR_SREV_9462 here] Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> Cc: Jianguo Wu <wujianguo@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/ar9003_phy.c | 27 +++++++-------------------- 1 file changed, 7 insertions(+), 20 deletions(-) --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -545,33 +545,20 @@ static void ar9003_hw_init_bb(struct ath void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx) { - switch (rx) { - case 0x5: + if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5) REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, AR_PHY_SWAP_ALT_CHAIN); - case 0x3: - case 0x1: - case 0x2: - case 0x7: - REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx); - REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx); - break; - default: - break; - } + + REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx); + REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx); if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7)) - REG_WRITE(ah, AR_SELFGEN_MASK, 0x3); + tx = 3; else if (AR_SREV_9462(ah)) /* xxx only when MCI support is enabled */ - REG_WRITE(ah, AR_SELFGEN_MASK, 0x3); - else - REG_WRITE(ah, AR_SELFGEN_MASK, tx); + tx = 3; - if (tx == 0x5) { - REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, - AR_PHY_SWAP_ALT_CHAIN); - } + REG_WRITE(ah, AR_SELFGEN_MASK, tx); } /* Patches currently in stable-queue which might be from nbd@xxxxxxxxxxx are queue-3.4/ath9k_htc-fix-signal-strength-handling-issues.patch queue-3.4/ath9k_hw-fix-chain-swap-setting-when-setting-rx-chainmask-to-5.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html