linux-kernel - Re: [PATCH v2 3/6] arm64: dts: qcom: Fix hs_phy

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Message-ID: <ZXHlg3orGSEXjO7w@hovoldconsulting.com>
Date:   Thu, 7 Dec 2023 16:32:19 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Krishna Kurapati <quic_kriskura@...cinc.com>
Cc:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        Conor Dooley <conor+dt@...nel.org>,
        cros-qcom-dts-watchers@...omium.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, quic_ppratap@...cinc.com,
        quic_jackp@...cinc.com
Subject: Re: [PATCH v2 3/6] arm64: dts: qcom: Fix hs_phy_irq for QUSB2 targets

On Mon, Dec 04, 2023 at 03:39:47PM +0530, Krishna Kurapati wrote:
> On several QUSB2 Targets, the hs_phy_irq mentioned is actually
> qusb2_phy interrupt specific to QUSB2 Phy's. Rename hs_phy_irq

('PHY' throughout)

> to qusb_phy for such targets.

'qusb2_phy'

> In actuality, the hs_phy_irq is also present in these targets, but
> kept in for debug purposes in hw test environments. This is not
> triggered by default and its functionality is mutually exclusive
> to that of qusb2_phy interrupt.
> 
> Add missing hs_phy_irq's, pwr_event irq's for qusb2 phy targets.

You also add some SS_PHY interrupts which could potentially enable
remote wakeup.

> Also modify order of interrupts in accordance to bindings update.

Say something here to as to why this is safe (e.g. all known current
users look up these interrupts by name).
 
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>

Johan