Return-path: Received: from sabertooth02.qualcomm.com ([65.197.215.38]:62678 "EHLO sabertooth02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751953AbbC3LPF (ORCPT ); Mon, 30 Mar 2015 07:15:05 -0400 Subject: [PATCH] ath10k: fix HTT op backwards compatibility for QCA6174 To: From: Kalle Valo CC: Date: Mon, 30 Mar 2015 14:14:28 +0300 Message-ID: <20150330111428.22198.36611.stgit@potku.adurom.net> (sfid-20150330_131511_151692_AEE079A4) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: Commit 8348db298496 ("ath10k: add ATH10K_FW_IE_HTT_OP_VERSION") broke QCA6174 receive side as the HTT ids from ATH10K_FW_HTT_OP_VERSION_MAIN don't have HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND set. Fix this by adding a backwards compatibility code which sets HTT op version if it's not set by the firmare image. Fixes: 8348db298496 ("ath10k: add ATH10K_FW_IE_HTT_OP_VERSION") Reported-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 23 +++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/htt.c | 2 +- 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 1c74585d9256..47f7e7116448 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -998,6 +998,29 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) return -EINVAL; } + /* Backwards compatibility for firmwares without + * ATH10K_FW_IE_HTT_OP_VERSION. + */ + if (ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) { + switch (ar->wmi.op_version) { + case ATH10K_FW_WMI_OP_VERSION_MAIN: + ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_MAIN; + break; + case ATH10K_FW_WMI_OP_VERSION_10_1: + case ATH10K_FW_WMI_OP_VERSION_10_2: + case ATH10K_FW_WMI_OP_VERSION_10_2_4: + ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_10_1; + break; + case ATH10K_FW_WMI_OP_VERSION_TLV: + ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_TLV; + break; + case ATH10K_FW_WMI_OP_VERSION_UNSET: + case ATH10K_FW_WMI_OP_VERSION_MAX: + WARN_ON(1); + return -EINVAL; + } + } + return 0; } diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c index f782d76c3886..6da6ef26143a 100644 --- a/drivers/net/wireless/ath/ath10k/htt.c +++ b/drivers/net/wireless/ath/ath10k/htt.c @@ -156,11 +156,11 @@ int ath10k_htt_init(struct ath10k *ar) ar->htt.t2h_msg_types_max = HTT_TLV_T2H_NUM_MSGS; break; case ATH10K_FW_HTT_OP_VERSION_MAIN: - case ATH10K_FW_HTT_OP_VERSION_UNSET: ar->htt.t2h_msg_types = htt_main_t2h_msg_types; ar->htt.t2h_msg_types_max = HTT_MAIN_T2H_NUM_MSGS; break; case ATH10K_FW_HTT_OP_VERSION_MAX: + case ATH10K_FW_HTT_OP_VERSION_UNSET: WARN_ON(1); return -EINVAL; }