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From: Bitterblue Smith <rtl8821cerfe2@gmail.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Subject: Re: Device with two interfaces - what is the probing order?
Date: Fri, 29 Mar 2024 13:36:18 +0200	[thread overview]
Message-ID: <77a2f290-2f63-42d8-a6d2-25840049beca@gmail.com> (raw)
In-Reply-To: <8bc3a7ae-bf8a-486e-946b-ff75ef2ac727@rowland.harvard.edu>

On 28/03/2024 22:05, Alan Stern wrote:
> On Thu, Mar 28, 2024 at 09:08:43PM +0200, Bitterblue Smith wrote:
>> Hi all,
>>
>> Given a USB Wifi device with two "identical" interfaces,
>> in what order are the interfaces probed? Is the order guaranteed?
> 
> They are probed in the order that they are listed in the 
> Get-Config-Descriptor output.  But this is not guaranteed.
> 
> Alan Stern

Is it guaranteed that they are probed one at a time, not in parallel?

Oh, and what about the disconnect function? Is that guaranteed to be called not in parallel?

  reply	other threads:[~2024-03-29 11:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-28 19:08 Device with two interfaces - what is the probing order? Bitterblue Smith
2024-03-28 20:05 ` Alan Stern
2024-03-29 11:36   ` Bitterblue Smith [this message]
2024-03-29 11:47     ` Greg KH
2024-03-29 12:53       ` Bitterblue Smith

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