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authorShanyu Zhao <shanyu.zhao@intel.com>2010-11-13 00:48:13 +0300
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2010-11-16 18:47:22 +0300
commit6163a3735aad19bdb8d02b3362d3a2d7d2eb78d5 (patch)
tree65556f3bd3040a3aea3004249b3426ef39a1a1e6
parent21a5b3c6b19a8b8972ccdd55389be28a8b7c9180 (diff)
downloadlinux-6163a3735aad19bdb8d02b3362d3a2d7d2eb78d5.tar.xz
iwlagn: check change before commit RXON cmd
When setting rxon chain and filter, no need to commit RXON when the chain flag is not changed. This reduces the number of RXON commands we send down to uCode. Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 59af06d3511c..c6e455e8845a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -97,7 +97,8 @@ void iwl_update_chain_flags(struct iwl_priv *priv)
if (priv->cfg->ops->hcmd->set_rxon_chain) {
for_each_context(priv, ctx) {
priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
- iwlcore_commit_rxon(priv, ctx);
+ if (ctx->active.rx_chain != ctx->staging.rx_chain)
+ iwlcore_commit_rxon(priv, ctx);
}
}
}