linux-kernel - Re: [PATCH v3 04/14] phy: qcom: qmp-usbc: Add USBC PHY type enum

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <d21c4c74-a36b-4f01-9c22-44bcec3c20eb@oss.qualcomm.com>
Date: Fri, 22 Aug 2025 14:49:13 +0800
From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar
 <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org, fange.zhang@....qualcomm.com,
        yongxing.mou@....qualcomm.com, tingwei.zhang@....qualcomm.com,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Subject: Re: [PATCH v3 04/14] phy: qcom: qmp-usbc: Add USBC PHY type enum


On 8/20/2025 7:34 PM, Dmitry Baryshkov wrote:
> On Wed, Aug 20, 2025 at 05:34:46PM +0800, Xiangxu Yin wrote:
>> Introduce qmp_phy_usbc_type enum and a 'type' field in qmp_phy_cfg to
>> differentiate between USB-only PHYs and USB/DP switchable PHYs.
>>
>> Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
>> ---
>>  drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 9 +++++++++
>>  1 file changed, 9 insertions(+)
>>
>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
>> index e484caec2be20121cfe287c507b17af28fb9f211..5afe090b546977a11265bbffa7c355feb8c72dfa 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
>> @@ -284,6 +284,11 @@ static const struct qmp_phy_init_tbl qcm2290_usb3_pcs_tbl[] = {
>>  	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
>>  };
>>  
>> +enum qmp_phy_usbc_type {
>> +	QMP_PHY_USBC_USB3_ONLY,
>> +	QMP_PHY_USBC_USB3_DP,
> Drop, you can use presense of DP offsets in order to differentiate
> between USB3 and USB3+DP.


Ok, will drop.


>> +};
>> +
>>  struct qmp_usbc_offsets {
>>  	u16 serdes;
>>  	u16 pcs;