iwlwifi: print warning about disconnected antennas (aa9746af) · Commits · 戴 / test

When we detect that not all antennas are properly connected, we simply disable the associated chains, but never notify the user at all. Print out a warning so it is obvious that happened and we know where to start looking for related issues. Signed-off-by:

Johannes Berg <johannes.berg@intel.com> Signed-off-by:

Reinette Chatre <reinette.chatre@intel.com>

drivers/net/wireless/iwlwifi/iwl-calib.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -846,6 +846,13 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
		}
		}

		if (active_chains != priv->hw_params.valid_rx_ant &&
		active_chains != priv->chain_noise_data.active_chains)
		IWL_WARN(priv,
		"Detected that not all antennas are connected! "
		"Connected: %#x, valid: %#x.\n",
		active_chains, priv->hw_params.valid_rx_ant);

		/* Save for use within RXON, TX, SCAN commands, etc. */
		priv->chain_noise_data.active_chains = active_chains;
		IWL_DEBUG_CALIB(priv, "active_chains (bitwise) = 0x%x\n",

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