diff mbox series

[v3,02/22] iwlwifi: Send DQA enable command only if TVL is on

Message ID 20190819165007.10181-3-luca@coelho.fi (mailing list archive)
State Accepted
Delegated to: Luca Coelho
Headers show
Series iwlwifi: updates intended for v5.4 2019-08-17-3 | expand

Commit Message

Luca Coelho Aug. 19, 2019, 4:49 p.m. UTC 
From: Ilia Lin <ilia.lin@intel.com>

The newer targets don't support the DQA enablement command
and will return error status, while older targets need it.
The feature is defined by the corresponding TLV.
Send the command only if the TLV is enabled.

Signed-off-by: Ilia Lin <ilia.lin@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 5de54d1559dd..a57fc6198a72 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1246,9 +1246,11 @@  int iwl_mvm_up(struct iwl_mvm *mvm)
 	/* reset quota debouncing buffer - 0xff will yield invalid data */
 	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
 
-	ret = iwl_mvm_send_dqa_cmd(mvm);
-	if (ret)
-		goto error;
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
+		ret = iwl_mvm_send_dqa_cmd(mvm);
+		if (ret)
+			goto error;
+	}
 
 	/* Add auxiliary station for scanning */
 	ret = iwl_mvm_add_aux_sta(mvm);