From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: How to understand "using interfaces layered over USB" in this article?
Date: Mon, 8 Sep 2014 10:34:00 -0700 [thread overview]
Message-ID: <20140908173400.GC11444@kroah.com> (raw)
In-Reply-To: <CA+5jrf=c+d-Go6iGCyAPBU5QZx6CXAJM7bGf1H91Z_xoCZcJxw@mail.gmail.com>
On Mon, Sep 08, 2014 at 11:31:32AM +0800, lx wrote:
> hi all:
> ? ? ? I read this article, but I can't understand this??section?
> ############################################################
>
> Most USB device drivers should pass these tables to the USB subsystem as
> well as to the module management subsystem. Not all, though: some driver
> frameworks connect using interfaces layered over USB, and so they won't
> need such a "struct usb_driver".
>
> ############################################################
> From:?https://www.kernel.org/doc/Documentation/usb/hotplug.txt
>
> How to understand "using interfaces layered over USB"?
Think SCSI, HID, Serial, or any other type of usb device that is just
using the USB connection as a physical transport of a specific type of
data.
Does that help?
greg k-h
prev parent reply other threads:[~2014-09-08 17:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-08 3:31 How to understand "using interfaces layered over USB" in this article? lx
2014-09-08 17:34 ` Greg KH [this message]
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