iwlwifi: mvm: take the valid_{rx,tx}_ant from the TLV

This is the right source of information for the valid Tx
antennas, not the NVM.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 4e932e04d87e..c4c446d41eb0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -203,4 +203,16 @@ struct iwl_fw {
         bool mvm_fw;
 };
 
+static inline u8 iwl_fw_valid_tx_ant(const struct iwl_fw *fw)
+{
+        return (fw->phy_config & FW_PHY_CFG_TX_CHAIN) >>
+                FW_PHY_CFG_TX_CHAIN_POS;
+}
+
+static inline u8 iwl_fw_valid_rx_ant(const struct iwl_fw *fw)
+{
+        return (fw->phy_config & FW_PHY_CFG_RX_CHAIN) >>
+                FW_PHY_CFG_RX_CHAIN_POS;
+}
+
 #endif  /* __iwl_fw_h__ */