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Date:   Mon,  2 Aug 2021 18:30:19 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     robh+dt@...nel.org, bjorn.andersson@...aro.org, agross@...nel.org,
        evgreen@...omium.org, cpratapa@...eaurora.org,
        subashab@...eaurora.org, elder@...nel.org,
        linux-arm-msm@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 1/1] Revert "Merge branch 'qcom-dts-updates'"

This reverts commit b79c6fba6cd7c49a7dbea9999e182f74cca63e19, reversing
these changes made to 0ac26271344478ff718329fa9d4ef81d4bcbc43b:

  commit 6a0eb6c9d934 ("dt-bindings: net: qcom,ipa: make imem interconnect
                       optional")
  commit f8bd3c82bf7d ("arm64: dts: qcom: sc7280: add IPA information")
  commit fd0f72c34bd9 ("arm64: dts: qcom: sc7180: define ipa_fw_mem node")

I intend for these commits to go through the Qualcomm repository, to
avoid conflicting with other activity being merged there.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 .../devicetree/bindings/net/qcom,ipa.yaml     | 18 ++++----
 arch/arm64/boot/dts/qcom/sc7180.dtsi          |  5 ---
 arch/arm64/boot/dts/qcom/sc7280.dtsi          | 43 -------------------
 3 files changed, 8 insertions(+), 58 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
index 4853ab7017bd9..ed88ba4b94df5 100644
--- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
@@ -87,18 +87,16 @@ properties:
       - const: ipa-setup-ready
 
   interconnects:
-    minItems: 2
     items:
-      - description: Path leading to system memory
-      - description: Path between the AP and IPA config space
-      - description: Path leading to internal memory
+      - description: Interconnect path between IPA and main memory
+      - description: Interconnect path between IPA and internal memory
+      - description: Interconnect path between IPA and the AP subsystem
 
   interconnect-names:
-    minItems: 2
     items:
       - const: memory
-      - const: config
       - const: imem
+      - const: config
 
   qcom,smem-states:
     $ref: /schemas/types.yaml#/definitions/phandle-array
@@ -209,11 +207,11 @@ examples:
 
                 interconnects =
                         <&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_EBI1>,
-                        <&rsc_hlos MASTER_APPSS_PROC &rsc_hlos SLAVE_IPA_CFG>,
-                        <&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_IMEM>;
+                        <&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_IMEM>,
+                        <&rsc_hlos MASTER_APPSS_PROC &rsc_hlos SLAVE_IPA_CFG>;
                 interconnect-names = "memory",
-                                     "config",
-                                     "imem";
+                                     "imem",
+                                     "config";
 
                 qcom,smem-states = <&ipa_smp2p_out 0>,
                                    <&ipa_smp2p_out 1>;
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 7e0ff917e548c..a9a052f8c63c8 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -110,11 +110,6 @@ tz_mem: memory@...00000 {
 			no-map;
 		};
 
-		ipa_fw_mem: memory@...00000 {
-			reg = <0 0x8b700000 0 0x10000>;
-			no-map;
-		};
-
 		rmtfs_mem: memory@...00000 {
 			compatible = "qcom,rmtfs-mem";
 			reg = <0x0 0x94600000 0x0 0x200000>;
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 5eb2b58ea23be..a8c274ad74c47 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -7,7 +7,6 @@
 
 #include <dt-bindings/clock/qcom,gcc-sc7280.h>
 #include <dt-bindings/clock/qcom,rpmh.h>
-#include <dt-bindings/interconnect/qcom,sc7280.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/mailbox/qcom-ipcc.h>
 #include <dt-bindings/power/qcom-aoss-qmp.h>
@@ -64,11 +63,6 @@ cpucp_mem: memory@...00000 {
 			no-map;
 			reg = <0x0 0x80b00000 0x0 0x100000>;
 		};
-
-		ipa_fw_mem: memory@...00000 {
-			reg = <0 0x8b700000 0 0x10000>;
-			no-map;
-		};
 	};
 
 	cpus {
@@ -514,43 +508,6 @@ mmss_noc: interconnect@...0000 {
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
-		ipa: ipa@...0000 {
-			compatible = "qcom,sc7280-ipa";
-
-			iommus = <&apps_smmu 0x480 0x0>,
-				 <&apps_smmu 0x482 0x0>;
-			reg = <0 0x1e40000 0 0x8000>,
-			      <0 0x1e50000 0 0x4ad0>,
-			      <0 0x1e04000 0 0x23000>;
-			reg-names = "ipa-reg",
-				    "ipa-shared",
-				    "gsi";
-
-			interrupts-extended = <&intc 0 654 IRQ_TYPE_EDGE_RISING>,
-					      <&intc 0 432 IRQ_TYPE_LEVEL_HIGH>,
-					      <&ipa_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
-					      <&ipa_smp2p_in 1 IRQ_TYPE_EDGE_RISING>;
-			interrupt-names = "ipa",
-					  "gsi",
-					  "ipa-clock-query",
-					  "ipa-setup-ready";
-
-			clocks = <&rpmhcc RPMH_IPA_CLK>;
-			clock-names = "core";
-
-			interconnects = <&aggre2_noc MASTER_IPA 0 &mc_virt SLAVE_EBI1 0>,
-					<&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_IPA_CFG 0>;
-			interconnect-names = "memory",
-					     "config";
-
-			qcom,smem-states = <&ipa_smp2p_out 0>,
-					   <&ipa_smp2p_out 1>;
-			qcom,smem-state-names = "ipa-clock-enabled-valid",
-						"ipa-clock-enabled";
-
-			status = "disabled";
-		};
-
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex", "syscon";
 			reg = <0 0x01f40000 0 0x40000>;
-- 
2.27.0

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