diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-19 07:27:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-19 07:27:45 -0700 |
| commit | 375db4810b27306ea400ab39d3d6f7a063ac9ff6 (patch) | |
| tree | f2cb778036dbfcade394c9e5ad94a69137fd352c /drivers/net/wireless/iwlwifi/iwl-calib.c | |
| parent | 73c6c7fbb74d07a80fee41ce4ca3976547519e42 (diff) | |
| parent | b91ecb0027c7171c83d7cf443a22c39b1fde6d83 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
gigaset: include cleanup cleanup
packet : remove init_net restriction
WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod hw_driver.
ip: Fix ip_dev_loopback_xmit()
net: dev_pick_tx() fix
fib: suppress lockdep-RCU false positive in FIB trie.
tun: orphan an skb on tx
forcedeth: fix tx limit2 flag check
iwlwifi: work around bogus active chains detection
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-calib.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-calib.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index de3b3f403d1f..8b516c5ff0bb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -808,6 +808,18 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, } } + /* + * The above algorithm sometimes fails when the ucode + * reports 0 for all chains. It's not clear why that + * happens to start with, but it is then causing trouble + * because this can make us enable more chains than the + * hardware really has. + * + * To be safe, simply mask out any chains that we know + * are not on the device. + */ + active_chains &= priv->hw_params.valid_rx_ant; + num_tx_chains = 0; for (i = 0; i < NUM_RX_CHAINS; i++) { /* loops on all the bits of |