diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-12-06 04:27:43 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-07 16:34:54 -0500 |
| commit | 47c80de62e9d6d262a829502d689a8b56add8d3d (patch) | |
| tree | c30b7df85d2e36fb54ee6a98a12d144cfea8dc6f /drivers/net/wireless/ath/ath9k/hw.c | |
| parent | 8060e169e02fe855f5533b5ef6af1f23ae2db0c4 (diff) | |
ath9k_hw: Find the maximum number of chains that hw supports
Have it in ah->caps. This will be used during various
calibrations.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 49da1849c7fe..a2f85b75b7f8 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1764,7 +1764,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; u16 capField = 0, eeval; - u8 ant_div_ctl1; + u8 ant_div_ctl1, tx_chainmask, rx_chainmask; eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0); regulatory->current_rd = eeval; @@ -1976,6 +1976,18 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) pCap->pcie_lcr_offset = 0x80; } + tx_chainmask = pCap->tx_chainmask; + rx_chainmask = pCap->rx_chainmask; + while (tx_chainmask || rx_chainmask) { + if (tx_chainmask & BIT(0)) + pCap->max_txchains++; + if (rx_chainmask & BIT(0)) + pCap->max_rxchains++; + + tx_chainmask >>= 1; + rx_chainmask >>= 1; + } + return 0; } |