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From: Wesley Cheng <wcheng@codeaurora.org>
To: balbi@kernel.org, gregkh@linuxfoundation.org, agross@kernel.org,
	bjorn.andersson@linaro.org, robh+dt@kernel.org
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	jackp@codeaurora.org, Thinh.Nguyen@synopsys.com,
	Wesley Cheng <wcheng@codeaurora.org>
Subject: [PATCH v8 5/5] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic
Date: Wed, 19 May 2021 00:43:58 -0700	[thread overview]
Message-ID: <1621410238-31395-6-git-send-email-wcheng@codeaurora.org> (raw)
In-Reply-To: <1621410238-31395-1-git-send-email-wcheng@codeaurora.org>

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.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
---
 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 51235a9..8f532cb 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -2275,6 +2275,7 @@
 				iommus = <&apps_smmu 0x140 0>;
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;
+				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


  parent reply	other threads:[~2021-05-19  7:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-19  7:43 [PATCH v8 0/5] Re-introduce TX FIFO resize for larger EP bursting Wesley Cheng
2021-05-19  7:43 ` [PATCH v8 1/5] usb: gadget: udc: core: Introduce check_config to verify USB configuration Wesley Cheng
2021-05-19  7:43 ` [PATCH v8 2/5] usb: gadget: configfs: Check USB configuration before adding Wesley Cheng
2021-05-19  7:43 ` [PATCH v8 3/5] usb: dwc3: Resize TX FIFOs to meet EP bursting requirements Wesley Cheng
2021-05-19  7:43 ` [PATCH v8 4/5] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Wesley Cheng
2021-05-19  7:43 ` Wesley Cheng [this message]
2021-05-29 17:07   ` [PATCH v8 5/5] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic Bjorn Andersson
2021-05-29 19:24     ` Jack Pham
2021-05-29  0:40 ` [PATCH v8 0/5] Re-introduce TX FIFO resize for larger EP bursting Wesley Cheng

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