From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: Clarification regarding USB Data Card (Dongle) enumeration in Linux udev
Date: Sun, 04 May 2014 16:16:08 +0000 [thread overview]
Message-ID: <20140504161608.GA11649@kroah.com> (raw)
In-Reply-To: <CALR+S1ivJ88=kEhKOPancq-GzJdApsV_DaJOV3djPZSQhETV7Q@mail.gmail.com>
On Sun, May 04, 2014 at 02:52:23PM +0530, Suresh Kumar N. wrote:
> Hi,
>
> I am new to udev and device enumeration.
>
> I am interested to know how USB Data Card would get enumerated.
>
> Based on my understanding Data Card can get enumerated below 2 possible ways -
> 1. As a modem
> 2. As a Network Interface Card (NIC)
>
> Is there a Standard defining the way a Data Card should be enumerated?
What do you mean by "data card"?
As for how the device is enumerated, that depends on the device itself,
and how it tells the operating system it should be talked to through its
configuration descriptors. See the USB spec for more details about
this.
greg k-h
next prev parent reply other threads:[~2014-05-04 16:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-04 9:34 Clarification regarding USB Data Card (Dongle) enumeration in Linux udev Suresh Kumar N.
2014-05-04 16:16 ` Greg KH [this message]
2014-05-05 3:55 ` Suresh Kumar N.
2014-05-05 17:09 ` Greg KH
2014-05-06 3:19 ` Suresh Kumar N.
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