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Date:   Thu, 21 May 2020 01:36:08 -0700
From:   Wesley Cheng <>
Cc:,,,,, Wesley Cheng <>
Subject: [PATCH v2 2/3] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic

Enable the flexible TX FIFO resize logic on SM8150.  Using a larger TX FIFO
SZ can help account for situations when system latency is greater than the
USB bus transmission latency.

Signed-off-by: Wesley Cheng <>
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index a36512d..c285233 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -708,6 +708,7 @@
 				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+				tx-fifo-resize;
 				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
 				phy-names = "usb2-phy", "usb3-phy";
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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