linux-hardening - Re: [PATCH 1/3] soc: qcom: pmic

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Message-ID: <CAEPPPKthfyZnD9z9Q5c7YnPMAJhGfyxJdfpzZmhoxK6xxv603g@mail.gmail.com>
Date:   Mon, 14 Aug 2023 13:28:46 +0800
From:   Sophon Wu <wuxilin123@...il.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH 1/3] soc: qcom: pmic_glink: enable UCSI for SM8350

Dmitry Baryshkov <dmitry.baryshkov@...aro.org> 于2023年8月13日周日 18:56写道：
>
> On Sat, 12 Aug 2023 at 14:12, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
> >
> > On 5.08.2023 19:03, Xilin Wu via B4 Relay wrote:
> > > From: Xilin Wu <wuxilin123@...il.com>
> > >
> > > UCSI is supported on SM8350. Allow it to enable USB role switch and
> > > altmode notifications on SM8350.
> > >
> > > Signed-off-by: Xilin Wu <wuxilin123@...il.com>
> > > ---
> > I can confirm this is also required for my SM8350 Xperia 1 III.
>
> Last time I checked it, UCSI was broken on the SM8350 HDK. Trying to
> enable it caused pmic_glink to stop working after some port
> operations.

I guess it could be firmware related issues? It works fine on my
device with latest firmware.