linux-kernel - Re: [PATCH 0/4] add xhci hooks for USB offload

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Date:   Wed, 20 Jan 2021 18:04:28 +0800
From:   Howard Yen <howardyen@...gle.com>
To:     Mathias Nyman <mathias.nyman@...el.com>
Cc:     gregkh@...uxfoundation.org, robh+dt@...nel.org,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] add xhci hooks for USB offload

On Tue, Jan 19, 2021 at 8:47 PM Mathias Nyman <mathias.nyman@...el.com> wrote:
>
> On 19.1.2021 12.10, Howard Yen wrote:
> > To let the xhci driver support USB offload, add hooks for vendor to have
> > customized behavior for the initialization, memory allocation, irq work, and
> > device context synchronization. Detail is in each patch commit message.
>
> Is this related to the usb audio sideband capability that was added to the xHCI specification?
> If yes, then we should probably implement the generic parts first, and then add
> the vendor specific hooks.
>
> -Mathias
>
>

This is for offloading, no matter what type of offloading.
I made the hooks generically and can be used for usb audio on the xhci
which is not including the usb audio sideband capability.


- Howard