linux-kernel - Re: [PATCH v1 0/6] arm64: qcom: sa8775p: add support for USB

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Date:   Tue, 2 May 2023 14:49:03 -0400
From:   Adrien Thierry <athierry@...hat.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Shazad Hussain <quic_shazhuss@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v1 0/6] arm64: qcom: sa8775p: add support for USB

Hi Dmitry,

On Sat, Apr 29, 2023 at 12:41:39AM +0300, Dmitry Baryshkov wrote:
> On 25/04/2023 21:03, Adrien Thierry wrote:
> > Hi Dmitry,
> > 
> > > Semi-random suggestion, but could you please try using
> > > clk_regmap_phy_mux/clk_regmap_phy_mux_ops for USB pipe clk src?
> > 
> > Which specific clock are you refering to? I'm not very familiar with
> > those, in the device tree I'm seeing "pipe" clocks for usb_0 and usb_1
> > phys, but not for usb_2, which is the one that's causing issues.
> > 
> 
> Ah, I see. Could you please try adding the 'qcom,select-utmi-as-pipe-clk'
> property to the usb_2 host node and running the test again?
>

Thanks for the suggestion. I tested this but unfortunately the issue is
still happening.

Best,

Adrien