[PATCH 0/6] Mark USB controllers as dma-coherent

[PATCH 0/6] Mark USB controllers as dma-coherent

[Krishna Kurapati]

The USB controllers on some platforms are DMA coherent but that property
is not marked in DT. Fix it up.

This series has only been compile tested.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
Krishna Kurapati (6):
      arm64: dts: qcom: sdx75: Mark USB controller as DMA coherent
      arm64: dts: qcom: lemans: Mark USB controllers as DMA coherent
      arm64: dts: qcom: sm8450: Mark USB controller as DMA coherent
      arm64: dts: qcom: qdu1000: Mark USB controller as DMA coherent
      arm64: dts: qcom: kodiak: Mark USB controllers as DMA coherent
      arm64: dts: qcom: sm8350: Mark USB controllers as DMA coherent

 arch/arm64/boot/dts/qcom/kodiak.dtsi  | 2 ++
 arch/arm64/boot/dts/qcom/lemans.dtsi  | 5 +++++
 arch/arm64/boot/dts/qcom/qdu1000.dtsi | 1 +
 arch/arm64/boot/dts/qcom/sdx75.dtsi   | 1 +
 arch/arm64/boot/dts/qcom/sm8350.dtsi  | 2 ++
 arch/arm64/boot/dts/qcom/sm8450.dtsi  | 1 +
 6 files changed, 12 insertions(+)
---
base-commit: f5672a3dff0291d6a45eb0c258b9d2baeb4dc577
change-id: 20261029-usb-dma-coherent-e9001f1839b3

Best regards,
--  
Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>

[PATCH 1/6] arm64: dts: qcom: sdx75: Mark USB controller as DMA coherent

[Krishna Kurapati]

The USB controller on SDX75 is DMA coherent. Add property
indicating the same.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sdx75.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
index c66f7bd9bf9a..0ba8d45a3930 100644
--- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
@@ -1075,6 +1075,7 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
 					     "apps-usb";
 
 			usb-role-switch;
+			dma-coherent;
 
 			status = "disabled";
 

-- 
2.34.1

[PATCH 2/6] arm64: dts: qcom: lemans: Mark USB controllers as DMA coherent

[Krishna Kurapati]

All USB controllers on Lemans are DMA coherent. Add property
indicating the same.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/lemans.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
index 1fdb72fa5518..d7d3e784f093 100644
--- a/arch/arm64/boot/dts/qcom/lemans.dtsi
+++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
@@ -4501,6 +4501,8 @@ usb_0: usb@a600000 {
 			snps,dis-u2-entry-quirk;
 
 			usb-role-switch;
+			dma-coherent;
+
 			status = "disabled";
 
 			ports {
@@ -4568,6 +4570,8 @@ usb_1: usb@a800000 {
 			snps,dis-u1-entry-quirk;
 			snps,dis-u2-entry-quirk;
 
+			dma-coherent;
+
 			status = "disabled";
 		};
 
@@ -4616,6 +4620,7 @@ usb_2: usb@a400000 {
 			snps,dis-u2-entry-quirk;
 
 			usb-role-switch;
+			dma-coherent;
 
 			status = "disabled";
 

-- 
2.34.1

[PATCH 3/6] arm64: dts: qcom: sm8450: Mark USB controller as DMA coherent

[Krishna Kurapati]

The USB controller on SM8450 is DMA coherent. Add property
indicating the same.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 05417cb5c4e5..b611671e292f 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -5489,6 +5489,7 @@ usb_1: usb@a600000 {
 			phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
 			phy-names = "usb2-phy", "usb3-phy";
 			usb-role-switch;
+			dma-coherent;
 
 			ports {
 				#address-cells = <1>;

-- 
2.34.1

[PATCH 4/6] arm64: dts: qcom: qdu1000: Mark USB controller as DMA coherent

[Krishna Kurapati]

The USB controller on QDU1000 is DMA coherent. Add property
indicating the same.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/qdu1000.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
index 3a25b5100836..30a18360ef2a 100644
--- a/arch/arm64/boot/dts/qcom/qdu1000.dtsi
+++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
@@ -1031,6 +1031,7 @@ usb_1_dwc3: usb@a600000 {
 				       <&usb_1_qmpphy>;
 				phy-names = "usb2-phy",
 					    "usb3-phy";
+				dma-coherent;
 
 				ports {
 					#address-cells = <1>;

-- 
2.34.1

[PATCH 5/6] arm64: dts: qcom: kodiak: Mark USB controllers as DMA coherent

[Krishna Kurapati]

Both USB controllers on Kodiak are DMA coherent. Add property
indicating the same.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/kodiak.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/kodiak.dtsi b/arch/arm64/boot/dts/qcom/kodiak.dtsi
index 8c7523602d27..f8008ae3680f 100644
--- a/arch/arm64/boot/dts/qcom/kodiak.dtsi
+++ b/arch/arm64/boot/dts/qcom/kodiak.dtsi
@@ -4434,6 +4434,7 @@ usb_2: usb@8c00000 {
 			phy-names = "usb2-phy";
 			maximum-speed = "high-speed";
 			usb-role-switch;
+			dma-coherent;
 
 			port {
 				usb2_role_switch: endpoint {
@@ -4993,6 +4994,7 @@ usb_1: usb@a600000 {
 			phy-names = "usb2-phy", "usb3-phy";
 			maximum-speed = "super-speed";
 			usb-role-switch;
+			dma-coherent;
 
 			ports {
 				#address-cells = <1>;

-- 
2.34.1

[PATCH 6/6] arm64: dts: qcom: sm8350: Mark USB controllers as DMA coherent

[Krishna Kurapati]

Both USB controllers on SM8350 are DMA coherent. Add property
indicating the same.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8350.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 55b32050ce9c..863874da94a8 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -2669,6 +2669,7 @@ usb_1_dwc3: usb@a600000 {
 				snps,dis-u2-entry-quirk;
 				phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
 				phy-names = "usb2-phy", "usb3-phy";
+				dma-coherent;
 
 				ports {
 					#address-cells = <1>;
@@ -2748,6 +2749,7 @@ usb_2_dwc3: usb@a800000 {
 				snps,dis-u2-entry-quirk;
 				phys = <&usb_2_hsphy>, <&usb_2_qmpphy>;
 				phy-names = "usb2-phy", "usb3-phy";
+				dma-coherent;
 			};
 		};
 

-- 
2.34.1

Re: [PATCH 2/6] arm64: dts: qcom: lemans: Mark USB controllers as DMA coherent

[Konrad Dybcio]

On 10/29/26 7:33 PM, Krishna Kurapati wrote:
> All USB controllers on Lemans are DMA coherent. Add property
> indicating the same.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---


Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

Re: [PATCH 3/6] arm64: dts: qcom: sm8450: Mark USB controller as DMA coherent

[Konrad Dybcio]

On 10/29/26 7:33 PM, Krishna Kurapati wrote:
> The USB controller on SM8450 is DMA coherent. Add property
> indicating the same.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

Re: [PATCH 4/6] arm64: dts: qcom: qdu1000: Mark USB controller as DMA coherent

[Konrad Dybcio]

On 10/29/26 7:33 PM, Krishna Kurapati wrote:
> The USB controller on QDU1000 is DMA coherent. Add property
> indicating the same.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

Re: [PATCH 5/6] arm64: dts: qcom: kodiak: Mark USB controllers as DMA coherent

[Konrad Dybcio]

On 10/29/26 7:33 PM, Krishna Kurapati wrote:
> Both USB controllers on Kodiak are DMA coherent. Add property
> indicating the same.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

Re: [PATCH 6/6] arm64: dts: qcom: sm8350: Mark USB controllers as DMA coherent

[Konrad Dybcio]

On 10/29/26 7:33 PM, Krishna Kurapati wrote:
> Both USB controllers on SM8350 are DMA coherent. Add property
> indicating the same.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

Re: [PATCH 1/6] arm64: dts: qcom: sdx75: Mark USB controller as DMA coherent

[Konrad Dybcio]

On 10/29/26 7:33 PM, Krishna Kurapati wrote:
> The USB controller on SDX75 is DMA coherent. Add property
> indicating the same.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad