linux-kernel - Re: [PATCH v3 00/19] Disable USB U1/U2 entry for QC targets

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Message-ID: <d03ec6e6-66bc-4c77-b3ff-926779ef8340@oss.qualcomm.com>
Date: Mon, 23 Dec 2024 15:39:36 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Prashanth K <quic_prashk@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, cros-qcom-dts-watchers@...omium.org
Subject: Re: [PATCH v3 00/19] Disable USB U1/U2 entry for QC targets

On 18.12.2024 11:26 AM, Prashanth K wrote:
> Enabling U1 and U2 power-saving states can lead to stability and
> performance issues, particularly for latency-sensitive or high-
> throughput applications. These low-power link states are intended
> to reduce power consumption by allowing the device to enter partial
> low-power modes during idle periods. However, they can sometimes
> result in unexpected behavior. Over the years, some of the issues
> seen are as follows:

For the series:

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

Konrad