Re: [PATCH v8 5/5] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic
From: Bjorn Andersson
Date: Sat May 29 2021 - 13:07:37 EST
On Wed 19 May 02:43 CDT 2021, Wesley Cheng wrote:
> 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@xxxxxxxxxx>
> Signed-off-by: Wesley Cheng <wcheng@xxxxxxxxxxxxxx>
Based on my previous request of always adding this for the Qualcomm
platforms that supports it, which is implemented in patch 4, I don't see
a need for this patch.
Am I missing something?
Regards,
Bjorn
> ---
> 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
>