From: Johannes Berg Date: Wed, 9 Jun 2010 08:46:32 +0000 (-0700) Subject: iwlwifi: print warning about disconnected antennas X-Git-Tag: v2.6.36-rc1~571^2~107^2~295 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa9746af8fa26d28d442a7415c701eb5dfeb7a2a;p=platform%2Fkernel%2Flinux-exynos.git iwlwifi: print warning about disconnected antennas 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 Signed-off-by: Reinette Chatre --- diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index 7e8227773..22fa947 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -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",