From: Oliver Neukum <oneukum@suse.com>
To: Alan Stern <stern@rowland.harvard.edu>, Oliver Neukum <oneukum@suse.com>
Cc: Hongyu Xie <xiehongyu1@kylinos.cn>,
gregkh@linuxfoundation.org, brauner@kernel.org,
jlayton@kernel.org, jack@suse.cz, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH next] usb: usbfs: Add reset_resume for usbfs
Date: Mon, 15 Jul 2024 10:53:14 +0200 [thread overview]
Message-ID: <2a80d11d-029f-4e7e-9a8e-3abae1034add@suse.com> (raw)
In-Reply-To: <9ef72886-13b8-46cf-a0aa-54dad36102e9@rowland.harvard.edu>
On 11.07.24 16:41, Alan Stern wrote:
> On Thu, Jul 11, 2024 at 10:59:56AM +0200, Oliver Neukum wrote:
>> I am sorry, but this implementation has some fundamental issues.
>
> Agreed, but the solution is pretty simple. Because the device was
> suspended, the userspace driver must have enabled suspend via the
> USBDEVFS_ALLOW_SUSPEND ioctl.
The whole system could have been suspended, in particularly to S4.
Regards
Oliver
next prev parent reply other threads:[~2024-07-15 8:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-11 8:43 Hongyu Xie
2024-07-11 8:59 ` Oliver Neukum
2024-07-11 14:41 ` Alan Stern
2024-07-15 8:53 ` Oliver Neukum [this message]
2024-07-15 14:22 ` Alan Stern
2024-07-16 12:44 ` Oliver Neukum
2024-07-17 1:43 ` Hongyu Xie
2024-07-17 2:05 ` Alan Stern
2024-07-17 3:13 ` Hongyu Xie
2024-07-17 7:52 ` Oliver Neukum
2024-07-17 13:44 ` Alan Stern
2024-07-17 15:27 ` Oliver Neukum
2024-07-17 7:42 ` Oliver Neukum
2024-07-18 3:23 ` Hongyu Xie
2024-07-12 3:10 ` Hongyu Xie
2024-07-13 2:22 ` Alan Stern
2024-07-15 1:13 ` Hongyu Xie
2024-07-15 8:40 ` Oliver Neukum
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