From: Wang YanQing <udknight@gmail.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Anil Nair <anilcoll90@gmail.com>, Greg KH <greg@kroah.com>,
lkml <linux-kernel@vger.kernel.org>,
linux-usb@vger.kernel.org
Subject: Re: [RFC]Is usb port number fixed?
Date: Tue, 24 Apr 2012 10:16:00 +0800 [thread overview]
Message-ID: <20120424021600.GA5283@udknight> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1204231109380.1612-100000@iolanthe.rowland.org>
On Mon, Apr 23, 2012 at 11:13:06AM -0400, Alan Stern wrote:
> The port numbers are determined by the hardware -- each set of wires
> has its own port number. The numbers have nothing to do with
> bandwidth.
Could you figure out the codes in kernel that read out the port number from
hub, if there is a piece of codes do that things?
Thanks very much.
next prev parent reply other threads:[~2012-04-24 2:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAHkwNT=DTjdhZmEg+SFGOVi+ZcS-NpHWH8Hh3XV+-BPzHRC7NA@mail.gmail.com>
2012-04-22 12:47 ` [RFC]Is usb port number fixed? Alan Stern
2012-04-23 1:52 ` Wang YanQing
2012-04-23 15:13 ` Alan Stern
2012-04-24 2:16 ` Wang YanQing [this message]
2012-04-24 14:14 ` Alan Stern
2012-04-24 15:58 ` Wang YanQing
2012-04-24 14:22 ` anil
2012-04-24 2:24 ` Wang YanQing
2012-04-20 9:25 Wang YanQing
2012-04-20 9:37 ` Wang YanQing
2012-04-20 15:37 ` Greg KH
[not found] ` <CAHkwNT=VW8qF-7QRxpiaWkmQm0UFdsbahFLhT-PCc4OMnVs1Gg@mail.gmail.com>
2012-04-20 16:19 ` Greg KH
2012-04-21 0:32 ` Alan Stern
2012-04-21 5:56 ` Wang YanQing
2012-04-21 17:23 ` Alan Stern
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