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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>
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@ -97,7 +97,8 @@ void iwl_update_chain_flags(struct iwl_priv *priv)
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if (priv->cfg->ops->hcmd->set_rxon_chain) {
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for_each_context(priv, ctx) {
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priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
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iwlcore_commit_rxon(priv, ctx);
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if (ctx->active.rx_chain != ctx->staging.rx_chain)
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iwlcore_commit_rxon(priv, ctx);
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}
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}
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}
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