linux-kernel - Re: [PATCH 3/3] usb: dwc: host: Set the property usb-skip-phy-init

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Date:   Tue, 26 Oct 2021 21:20:18 +0000
From:   Thinh Nguyen <Thinh.Nguyen@...opsys.com>
To:     Sandeep Maheswaram <quic_c_sanm@...cinc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Mathias Nyman <mathias.nyman@...el.com>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "quic_pkondeti@...cinc.com" <quic_pkondeti@...cinc.com>,
        "quic_ppratap@...cinc.com" <quic_ppratap@...cinc.com>
Subject: Re: [PATCH 3/3] usb: dwc: host: Set the property usb-skip-phy-init

Sandeep Maheswaram wrote:
> dwc3 manages PHY by own DRD driver, so skip the management by
> HCD core.
> During runtime suspend phy was not getting suspend because
> runtime_usage value is 2.
> 
> Signed-off-by: Sandeep Maheswaram <quic_c_sanm@...cinc.com>
> ---
>  drivers/usb/dwc3/host.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
> index f29a264..5144513 100644
> --- a/drivers/usb/dwc3/host.c
> +++ b/drivers/usb/dwc3/host.c
> @@ -107,6 +107,8 @@ int dwc3_host_init(struct dwc3 *dwc)
>  	if (DWC3_VER_IS_WITHIN(DWC3, ANY, 300A))
>  		props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped");
>  
> +	props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb-skip-phy-init");

Increase props[] array size with this new change.

> +
>  	if (prop_idx) {
>  		ret = device_create_managed_software_node(&xhci->dev, props, NULL);
>  		if (ret) {
> 

Can we update the $subject prefix from "dwc" to "dwc3"?

Thanks,
Thinh