* [PATCH 0/2] Don't call SCM interface for statically mapped msa region @ 2019-10-23 9:40 Govind Singh 2019-10-23 9:40 ` [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for " Govind Singh 2019-10-23 9:40 ` [PATCH 2/2] ath10k: Don't call SCM interface for statically mapped " Govind Singh 0 siblings, 2 replies; 6+ messages in thread From: Govind Singh @ 2019-10-23 9:40 UTC (permalink / raw) To: ath10k; +Cc: linux-wireless, Govind Singh For some targets ex: SC7180/QCS404, SCM permissions for MSA region is statically configured in TrustZone fw. Add SCM call disable option for such targets to avoid duplicate permissions. Govind Singh (2): dt: bindings: add dt entry flag to skip SCM call for msa region ath10k: Don't call SCM interface for statically mapped msa region .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 4 ++++ drivers/net/wireless/ath/ath10k/qmi.c | 9 +++++++++ drivers/net/wireless/ath/ath10k/qmi.h | 1 + 3 files changed, 14 insertions(+) -- 2.22.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for msa region 2019-10-23 9:40 [PATCH 0/2] Don't call SCM interface for statically mapped msa region Govind Singh @ 2019-10-23 9:40 ` Govind Singh 2019-10-24 7:14 ` Kalle Valo 2019-11-08 8:39 ` Kalle Valo 2019-10-23 9:40 ` [PATCH 2/2] ath10k: Don't call SCM interface for statically mapped " Govind Singh 1 sibling, 2 replies; 6+ messages in thread From: Govind Singh @ 2019-10-23 9:40 UTC (permalink / raw) To: ath10k; +Cc: linux-wireless, Govind Singh Add boolean context flag to disable SCM call for statically mapped msa region. Signed-off-by: Govind Singh <govinds@codeaurora.org> --- .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt index 81859507db67..0d868443375d 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt @@ -83,6 +83,9 @@ Optional properties: and "sky85803" etc. - qcom,xo-cal-data: xo cal offset to be configured in xo trim register. +- qcom,msa_fixed_perm: Boolean context flag to disable SCM call for statically + mapped msa region. + Example (to supply PCI based wifi block details): In this example, the node is defined as child node of the PCI controller. @@ -180,4 +183,5 @@ wifi@18000000 { vdd-3.3-ch0-supply = <&vreg_l25a_3p3>; memory-region = <&wifi_msa_mem>; iommus = <&apps_smmu 0x0040 0x1>; + qcom,msa_fixed_perm; }; -- 2.22.0 ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for msa region 2019-10-23 9:40 ` [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for " Govind Singh @ 2019-10-24 7:14 ` Kalle Valo 2019-10-24 11:47 ` Govind Singh 2019-11-08 8:39 ` Kalle Valo 1 sibling, 1 reply; 6+ messages in thread From: Kalle Valo @ 2019-10-24 7:14 UTC (permalink / raw) To: Govind Singh; +Cc: ath10k, linux-wireless Govind Singh <govinds@codeaurora.org> writes: > Add boolean context flag to disable SCM call for statically > mapped msa region. > > Signed-off-by: Govind Singh <govinds@codeaurora.org> Oddly this didn't apply, but 3-way merge did work. Please double check the result in the pending branch: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=master-pending&id=6f308524cf602ed9a0dbb0b0b50ba625b9091879 -- Kalle Valo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for msa region 2019-10-24 7:14 ` Kalle Valo @ 2019-10-24 11:47 ` Govind Singh 0 siblings, 0 replies; 6+ messages in thread From: Govind Singh @ 2019-10-24 11:47 UTC (permalink / raw) To: Kalle Valo; +Cc: ath10k, linux-wireless Hi Kalle, On 2019-10-24 12:44, Kalle Valo wrote: > Govind Singh <govinds@codeaurora.org> writes: > >> Add boolean context flag to disable SCM call for statically >> mapped msa region. >> >> Signed-off-by: Govind Singh <govinds@codeaurora.org> > > Oddly this didn't apply, but 3-way merge did work. Please double check > the result in the pending branch: > > https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=master-pending&id=6f308524cf602ed9a0dbb0b0b50ba625b9091879 Change looks good to me. BR, Govind ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for msa region 2019-10-23 9:40 ` [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for " Govind Singh 2019-10-24 7:14 ` Kalle Valo @ 2019-11-08 8:39 ` Kalle Valo 1 sibling, 0 replies; 6+ messages in thread From: Kalle Valo @ 2019-11-08 8:39 UTC (permalink / raw) To: Govind Singh; +Cc: ath10k, linux-wireless, Govind Singh Govind Singh <govinds@codeaurora.org> wrote: > Add boolean context flag to disable SCM call for statically > mapped msa region. > > Signed-off-by: Govind Singh <govinds@codeaurora.org> > Signed-off-by: Kalle Valo <kvalo@codeaurora.org> I was wondering why there are no review comments from DT folks and then noticed that you didn't CC the devicetree list. Please resend (as v2) and CC devicetree list. 2 patches set to Changes Requested. 11206177 [1/2] dt: bindings: add dt entry flag to skip SCM call for msa region 11206179 [2/2] ath10k: Don't call SCM interface for statically mapped msa region -- https://patchwork.kernel.org/patch/11206177/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 2/2] ath10k: Don't call SCM interface for statically mapped msa region 2019-10-23 9:40 [PATCH 0/2] Don't call SCM interface for statically mapped msa region Govind Singh 2019-10-23 9:40 ` [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for " Govind Singh @ 2019-10-23 9:40 ` Govind Singh 1 sibling, 0 replies; 6+ messages in thread From: Govind Singh @ 2019-10-23 9:40 UTC (permalink / raw) To: ath10k; +Cc: linux-wireless, Govind Singh 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 <govinds@codeaurora.org> --- 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 ^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-11-08 8:39 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2019-10-23 9:40 [PATCH 0/2] Don't call SCM interface for statically mapped msa region Govind Singh 2019-10-23 9:40 ` [PATCH 1/2] dt: bindings: add dt entry flag to skip SCM call for " Govind Singh 2019-10-24 7:14 ` Kalle Valo 2019-10-24 11:47 ` Govind Singh 2019-11-08 8:39 ` Kalle Valo 2019-10-23 9:40 ` [PATCH 2/2] ath10k: Don't call SCM interface for statically mapped " Govind Singh
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