From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iND7z-0001c3-3Z for ath10k@lists.infradead.org; Wed, 23 Oct 2019 09:40:28 +0000 From: Govind Singh Subject: [PATCH 2/2] ath10k: Don't call SCM interface for statically mapped msa region Date: Wed, 23 Oct 2019 15:10:14 +0530 Message-Id: <20191023094014.28683-3-govinds@codeaurora.org> In-Reply-To: <20191023094014.28683-1-govinds@codeaurora.org> References: <20191023094014.28683-1-govinds@codeaurora.org> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: ath10k@lists.infradead.org Cc: Govind Singh , linux-wireless@vger.kernel.org For some targets ex: QCS404, SCM permissions for MSA region is statically configured in TrustZone fw. Add SCM call disable option for such targets to avoid duplicate permissions. Testing: Tested on WCN3990 HW Tested FW: WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1 Signed-off-by: Govind Singh --- drivers/net/wireless/ath/ath10k/qmi.c | 9 +++++++++ drivers/net/wireless/ath/ath10k/qmi.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c index da16874012c5..d43ec0183287 100644 --- a/drivers/net/wireless/ath/ath10k/qmi.c +++ b/drivers/net/wireless/ath/ath10k/qmi.c @@ -95,6 +95,9 @@ static int ath10k_qmi_setup_msa_permissions(struct ath10k_qmi *qmi) int ret; int i; + if (qmi->msa_fixed_perm) + return 0; + for (i = 0; i < qmi->nr_mem_region; i++) { ret = ath10k_qmi_map_msa_permission(qmi, &qmi->mem_region[i]); if (ret) @@ -113,6 +116,9 @@ static void ath10k_qmi_remove_msa_permission(struct ath10k_qmi *qmi) { int i; + if (qmi->msa_fixed_perm) + return; + for (i = 0; i < qmi->nr_mem_region; i++) ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]); } @@ -1021,6 +1027,9 @@ static int ath10k_qmi_setup_msa_resources(struct ath10k_qmi *qmi, u32 msa_size) qmi->msa_mem_size = msa_size; } + if (of_property_read_bool(dev->of_node, "qcom,msa_fixed_perm")) + qmi->msa_fixed_perm = true; + ath10k_dbg(ar, ATH10K_DBG_QMI, "msa pa: %pad , msa va: 0x%p\n", &qmi->msa_pa, qmi->msa_va); diff --git a/drivers/net/wireless/ath/ath10k/qmi.h b/drivers/net/wireless/ath/ath10k/qmi.h index 4ab21b223aaf..3a039e6e29df 100644 --- a/drivers/net/wireless/ath/ath10k/qmi.h +++ b/drivers/net/wireless/ath/ath10k/qmi.h @@ -115,6 +115,7 @@ struct ath10k_qmi { bool fw_ready; char fw_build_timestamp[MAX_TIMESTAMP_LEN + 1]; struct ath10k_qmi_cal_data cal_data[MAX_NUM_CAL_V01]; + bool msa_fixed_perm; }; int ath10k_qmi_wlan_enable(struct ath10k *ar, -- 2.22.0 _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k