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author | David S. Miller <davem@davemloft.net> | 2010-04-21 10:14:25 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2010-04-21 10:14:25 +0200 |
commit | 87eb367003887cdc81a5d183efea227b5b488961 (patch) | |
tree | 40f617e25a9364d573e3cd2189c9e7fa56c8a0fe /drivers/net/wireless/iwlwifi/iwl-calib.c | |
parent | net: Remove two unnecessary exports (skbuff). (diff) | |
parent | net: Fix an RCU warning in dev_pick_tx() (diff) | |
download | linux-87eb367003887cdc81a5d183efea227b5b488961.tar.xz linux-87eb367003887cdc81a5d183efea227b5b488961.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-6000.c
net/core/dev.c
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 0471c3f8713e..f1fd00b1a65d 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 |