From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Howard Yen <howardyen@google.com>, Greg KH <gregkh@linuxfoundation.org>
Cc: Mathias Nyman <mathias.nyman@intel.com>,
robh+dt@kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] add xhci hooks for USB offload
Date: Thu, 28 Jan 2021 08:31:14 +0200 [thread overview]
Message-ID: <f77d1149-7bd1-3914-8841-439cb67397fd@linux.intel.com> (raw)
In-Reply-To: <CAJDAHvZ2CCm9tT+C=hNc_U1CaYJg3ZjifsYLik3UqfXwUm++Lg@mail.gmail.com>
On 28.1.2021 5.38, Howard Yen wrote:
> On Tue, Jan 26, 2021 at 10:19 PM Greg KH <gregkh@linuxfoundation.org> wrote:
>>
>> On Fri, Jan 22, 2021 at 05:32:58PM +0200, Mathias Nyman wrote:
>>>
>>> Ok, before adding hooks like this I think we need to see how they are used.
>>> Do you have the rest of the patches that go on top of this series?
>>>
>>> Maybe it could make sense to use overrides for the functions in struct hc_driver
>>> instead in some cases? There is support for that already.
>>
>> What overrides could be done for these changes? At first glance that
>> would seem to require a lot of duplicated code in whatever override
>> happens to be needed.
>>
>> thanks,
>>
>> greg k-h
>
> This patch series is all the changes for the offload hooks currently.
>
> I thought about this, but if I tried to override the functions in
> struct hc_driver, that'll need to
> copy many code to the override function, and it won't follow the
> latest change in the core
> xhci driver.
>
>
> - Howard
Ok, I see.
The point I'm trying to make is that there is no way for me to know if
these hooks are the right solution before I see any code using them.
Is the offloading code ready and public somewhere?
Thanks
-Mathias
next prev parent reply other threads:[~2021-01-28 6:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-19 10:10 [PATCH 0/4] add xhci hooks for USB offload Howard Yen
2021-01-19 10:10 ` [PATCH 1/4] usb: host: " Howard Yen
2021-01-19 10:27 ` Greg KH
2021-01-19 10:10 ` [PATCH 2/4] usb: host: export symbols for xhci hooks usage Howard Yen
2021-01-19 10:10 ` [PATCH 3/4] usb: xhci-plat: add xhci_plat_priv_overwrite Howard Yen
2021-01-19 10:10 ` [PATCH 4/4] dt-bindings: usb: usb-xhci: add USB offload support Howard Yen
2021-01-19 10:22 ` Greg KH
2021-02-09 2:30 ` Rob Herring
2021-01-19 10:25 ` [PATCH 0/4] add xhci hooks for USB offload Greg KH
2021-01-19 12:49 ` Mathias Nyman
2021-01-20 10:04 ` Howard Yen
2021-01-22 15:32 ` Mathias Nyman
2021-01-26 14:19 ` Greg KH
2021-01-28 3:38 ` Howard Yen
2021-01-28 6:31 ` Mathias Nyman [this message]
2021-01-28 7:41 ` Greg KH
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