linux-kernel - Re: [PATCH v3 1/2] USB: core: add 'shutdown' callback to usb

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Message-ID: <7CF44361-A11B-4C30-B2F7-A66C986D3143@live.com>
Date: Sat, 6 Jul 2024 12:56:13 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC: "oneukum@...e.com" <oneukum@...e.com>, "stern@...land.harvard.edu"
	<stern@...land.harvard.edu>, Kerem Karabay <kekrby@...il.com>, Orlando
 Chamberlain <orlandoch.dev@...il.com>, Linux Kernel Mailing List
	<linux-kernel@...r.kernel.org>, "linux-usb@...r.kernel.org"
	<linux-usb@...r.kernel.org>, "linux-scsi@...r.kernel.org"
	<linux-scsi@...r.kernel.org>, "usb-storage@...ts.one-eyed-alien.net"
	<usb-storage@...ts.one-eyed-alien.net>
Subject: Re: [PATCH v3 1/2] USB: core: add 'shutdown' callback to usb_driver



> On 6 Jul 2024, at 6:15 PM, Aditya Garg <gargaditya08@...e.com> wrote:
> 
> 
> 
>> On 6 Jul 2024, at 6:06 PM, gregkh@...uxfoundation.org wrote:
>> 
>> On Sat, Jul 06, 2024 at 12:03:23PM +0000, Aditya Garg wrote:
>>> From: Kerem Karabay <kekrby@...il.com>
>>> 
>>> Currently there is no standardized method for USB drivers to handle
>>> shutdown events. This patch simplifies running code on shutdown for USB
>>> devices by adding a shutdown callback to usb_driver.
>>> 
>>> Signed-off-by: Kerem Karabay <kekrby@...il.com>
>> 
>> Where did Kerem do this work?  Any reason why they aren't submitting
>> these themselves?  Not that this is a problem, just trying to figure out
>> what went wrong with the development process here.
> 
> I work at https://t2linux.org/, a project aimed to bring Linux to T2 Macs.
> 
> Kerem helped in developing the driver for the Touch Bar on these Macs.
> During development, he did some improvements to the HID core, USB core
> and DRM, which are not specific to the Macs, but are used in the driver.
> 
> As to why he didn't submit himself, unfortunately Kerem seems to have left
> the project and is not contactable at all. Fortunately, the patches he contributed
> were signed off by him. Since we have his Signed-off-by and the code is GPL2,
> IMO, I can legally submit this.
> 
> Link to our patchset: https://github.com/t2linux/linux-t2-patches

You can also find his linux tree with the driver over here:
https://github.com/kekrby/linux-t2/tree/touchbar

>> 
>> thanks,
>> 
>> greg k-h