linux-kernel - Re: [PATCH v19 4/5] usb: core: hcd: Create platform devices for onboard hubs in probe()

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Date:   Wed, 12 Jan 2022 19:50:33 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Alan Stern <stern@...land.harvard.edu>,
        Felipe Balbi <balbi@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Matthias Kaehlcke <mka@...omium.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Bastien Nocera <hadess@...ess.net>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Douglas Anderson <dianders@...omium.org>,
        Peter Chen <peter.chen@...nel.org>,
        Ravi Chandra Sadineni <ravisadineni@...omium.org>,
        linux-usb@...r.kernel.org, Roger Quadros <rogerq@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Kishon Vijay Abraham I <kishon@...com>,
        Li Jun <jun.li@....com>, Peter Chen <peter.chen@....com>,
        Sasha Levin <sashal@...nel.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Subject: Re: [PATCH v19 4/5] usb: core: hcd: Create platform devices for
 onboard hubs in probe()

Quoting Matthias Kaehlcke (2022-01-12 11:10:47)
> Call onboard_hub_create/destroy_pdevs() from usb_add/remove_hcd()
> for primary HCDs to create/destroy platform devices for onboard
> USB hubs that may be connected to the root hub of the controller.
> These functions are a NOP unless CONFIG_USB_ONBOARD_HUB=y/m.
>
> Also add a field to struct usb_hcd to keep track of the onboard hub
> platform devices that are owned by the HCD.
>
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>