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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>
This commit is contained in:
Shanyu Zhao 2010-11-12 13:48:13 -08:00 committed by Wey-Yi Guy
parent 21a5b3c6b1
commit 6163a3735a
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/iwlwifi/iwl-agn.c
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@ -97,7 +97,8 @@ void iwl_update_chain_flags(struct iwl_priv *priv)
if (priv->cfg->ops->hcmd->set_rxon_chain) { if (priv->cfg->ops->hcmd->set_rxon_chain) {
for_each_context(priv, ctx) { for_each_context(priv, ctx) {
priv->cfg->ops->hcmd->set_rxon_chain(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);
} }
} }
} }