linux-kernel - Re: [RFC PATCH v2 05/22] usb: xhci: Add XHCI APIs to support USB offloading

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Message-ID: <CANqn-rhFH+RivRdiGtdFpjFKEpsJ497Z-NrtJ+naSHE+gJrzMg@mail.gmail.com>
Date:   Thu, 9 Feb 2023 21:02:58 +0800
From:   Albert Wang <albertccwang@...gle.com>
To:     Wesley Cheng <quic_wcheng@...cinc.com>
Cc:     Thinh.Nguyen@...opsys.com, agross@...nel.org,
        alsa-devel@...a-project.org, andersson@...nel.org,
        bgoswami@...cinc.com, broonie@...nel.org,
        devicetree@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
        krzysztof.kozlowski+dt@...aro.org, lgirdwood@...il.com,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, mathias.nyman@...el.com, perex@...ex.cz,
        Jack Pham <quic_jackp@...cinc.com>, quic_plai@...cinc.com,
        robh+dt@...nel.org, srinivas.kandagatla@...aro.org, tiwai@...e.com
Subject: Re: [RFC PATCH v2 05/22] usb: xhci: Add XHCI APIs to support USB offloading

Hi Wesley,

It looks like I can get the transfer ring address by calling
xhci_get_xfer_resource,
and the xhci_get_ir_resource() is called to get access to the new structure
"xhci_interrupter" for the event ring address. From code review, I can
say these
APIs allow us to get the information we need.

Of course, we will integrate this patchset to verify if compatible
with our design.

Thanks,
Albert