Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates

To: Dingyan Li <18500469033@xxxxxxx>, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
From: Oliver Neukum <oneukum@xxxxxxxx>
Date: Tue, 25 Jul 2023 16:08:44 +0200
Cc: Oliver Neukum <oneukum@xxxxxxxx>, stern@xxxxxxxxxxxxxxxxxxx, sebastian.reichel@xxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <4edabcb3.7e65.1898d54679e.Coremail.18500469033@163.com>
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On 25.07.23 15:54, Dingyan Li wrote:

If we can't "deprecate" ioctls, can we change the returned contents of existing ones?


No. Absolutely not. That is totally unacceptable. It would be much
worse than just removing the support.

	Regards
		Oliver

Follow-Ups:
- Re:Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Dingyan Li

References:
- [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Dingyan Li
- Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Greg KH
- Re:Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Dingyan Li
- Re: Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Greg KH
- Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Oliver Neukum
- Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Greg KH
- Re:Re: [PATCH] USB: add usbfs ioctl to get specific superspeedplus rates
  - From: Dingyan Li