lkml.org 
[lkml]   [2010]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subjectpull request: wireless-2.6 2010-04-15
Dave,

Another fix intended for 2.6.34...without it some firmware wierdness can
induce the driver into hanging the box... :-(

Please let me know if there are problems!

Thanks,

John

---

The following changes since commit 4eaa0e3c869acd5dbc7c2e3818a9ae9cbf221d27:
Eric Dumazet (1):
fib: suppress lockdep-RCU false positive in FIB trie.

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git master

Johannes Berg (1):
iwlwifi: work around bogus active chains detection

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 845831a..64de42b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -807,6 +807,18 @@ 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
--
John W. Linville Someday the world will need a hero, and you
linville@tuxdriver.com might be all we have. Be ready.

\
 
 \ /
  Last update: 2010-04-15 22:17    [W:0.026 / U:0.300 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site