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authorLuca Coelho <luciano.coelho@intel.com>2019-11-15 09:27:25 +0200
committerLuca Coelho <luciano.coelho@intel.com>2019-11-15 09:27:25 +0200
commitbb99ff9baa02beb9216c86678999342197c849cc (patch)
tree5d03efaaf16128caf57f37c20353b27c550367be /drivers/net/wireless/intel
parentqtnfmac: add support for getting/setting transmit power (diff)
downloadlinux-dev-bb99ff9baa02beb9216c86678999342197c849cc.tar.xz
linux-dev-bb99ff9baa02beb9216c86678999342197c849cc.zip
iwlwifi: mvm: fix support for single antenna diversity
When the single antenna diversity support was sent upstream, only some definitions were sent, due to a bad revert. Fix this by adding the actual code. Fixes: 5952e0ec3f05 ("iwlwifi: mvm: add support for single antenna diversity") Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/intel')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index d9eb2b286438..c59cbb8cbdd7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -514,6 +514,18 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
struct iwl_phy_cfg_cmd phy_cfg_cmd;
enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
+ if (iwl_mvm_has_unified_ucode(mvm) &&
+ !mvm->trans->cfg->tx_with_siso_diversity) {
+ return 0;
+ } else if (mvm->trans->cfg->tx_with_siso_diversity) {
+ /*
+ * TODO: currently we don't set the antenna but letting the NIC
+ * to decide which antenna to use. This should come from BIOS.
+ */
+ phy_cfg_cmd.phy_cfg =
+ cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
+ }
+
/* Set parameters */
phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
@@ -1344,12 +1356,12 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
ret = iwl_send_phy_db_data(mvm->phy_db);
if (ret)
goto error;
-
- ret = iwl_send_phy_cfg_cmd(mvm);
- if (ret)
- goto error;
}
+ ret = iwl_send_phy_cfg_cmd(mvm);
+ if (ret)
+ goto error;
+
ret = iwl_mvm_send_bt_init_conf(mvm);
if (ret)
goto error;