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authorSenthil Balasubramanian <senthilkumar@atheros.com>2009-09-17 09:27:33 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-09-23 11:35:52 -0400
commitce143bb04491a586ec95798711dee7fd43fbe042 (patch)
tree1ff8e227adcfc1e519959c0ee4f45ffc298682cd /drivers/net/wireless/ath/ath9k/calib.c
parent0a475cc6a0ac8e38ac3587cff87026551800b7fe (diff)
downloadblackbird-op-linux-ce143bb04491a586ec95798711dee7fd43fbe042.tar.gz
blackbird-op-linux-ce143bb04491a586ec95798711dee7fd43fbe042.zip
ath9k: Adjust the chainmasks properly
This is needed to account for the number of chains in use, not just the number of chains present. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/calib.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/calib.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 439f2c743d85..22a3a6903867 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -609,14 +609,24 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
AR_PHY_CH1_EXT_CCA,
AR_PHY_CH2_EXT_CCA
};
- u8 chainmask;
+ u8 chainmask, rx_chain_status;
+ rx_chain_status = REG_READ(ah, AR_PHY_RX_CHAINMASK);
if (AR_SREV_9285(ah))
chainmask = 0x9;
- else if (AR_SREV_9280(ah) || AR_SREV_9287(ah))
- chainmask = 0x1B;
- else
- chainmask = 0x3F;
+ else if (AR_SREV_9280(ah) || AR_SREV_9287(ah)) {
+ if ((rx_chain_status & 0x2) || (rx_chain_status & 0x4))
+ chainmask = 0x1B;
+ else
+ chainmask = 0x09;
+ } else {
+ if (rx_chain_status & 0x4)
+ chainmask = 0x3F;
+ else if (rx_chain_status & 0x2)
+ chainmask = 0x1B;
+ else
+ chainmask = 0x09;
+ }
h = ah->nfCalHist;
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