diff mbox series

[v2,3/3] arm64: dts: mediatek: mt8195: Add 'rx-fifo-depth' for cherry

Message ID 20231215073431.8512-3-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/3] dt-bindings: usb: mtk-xhci: add a property for Gen1 isoc-in transfer issue | expand

Commit Message

Chunfeng Yun (云春峰) Dec. 15, 2023, 7:34 a.m. UTC 
Add the quirk property "rx-fifo-depth" to work around Gen1 isoc-in
transfer issue which send out unexpected ACK even after device
already finished the burst transfer with a short patcket, specially
for a 4K camera device.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2: use 'rx-fifo-depth' property
---
 arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index dd5b89b73190..132baeab675e 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -1185,6 +1185,7 @@ 
 
 	vusb33-supply = <&mt6359_vusb_ldo_reg>;
 	vbus-supply = <&usb_vbus>;
+	rx-fifo-depth = <2>;
 };
 
 &xhci1 {
@@ -1192,6 +1193,7 @@ 
 
 	vusb33-supply = <&mt6359_vusb_ldo_reg>;
 	vbus-supply = <&usb_vbus>;
+	rx-fifo-depth = <2>;
 };
 
 &xhci2 {