From: Antony Pavlov <antonynpavlov@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: [PATCH] [RFC] [WIP] commands: add tree view capable lsusb
Date: Mon, 2 Jun 2014 14:20:51 +0400 [thread overview]
Message-ID: <20140602142051.330ebed5582ca8489e55d00a@gmail.com> (raw)
In-Reply-To: <20140602083107.GX15686@pengutronix.de>
On Mon, 2 Jun 2014 10:31:07 +0200
Sascha Hauer <s.hauer@pengutronix.de> wrote:
> On Mon, Jun 02, 2014 at 09:59:31AM +0200, Holger Schurig wrote:
> > Hmm, I like that it does a rescan, so that it always display the
> > currently connected USB device automatically.
>
> Note that we only scan scan the bus once during the lifetime of barebox
> unless the force parameter of usb_rescan is true. This is because
> we currently remove all existing USB devices and reinstantiate all
> USB devices found during scanning. The removal of devices is not very
> well implemented. USB only works properly when the tree is scanned once.
If I drop usb_rescan(0) then I have to run 'usb' command to scan bus manually before running 'lsusb'.
It is very uncomfortable.
--
Best regards,
Antony Pavlov
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prev parent reply other threads:[~2014-06-02 10:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-21 8:54 Antony Pavlov
2014-05-21 13:20 ` Holger Schurig
2014-05-21 14:11 ` Antony Pavlov
2014-06-02 7:24 ` Sascha Hauer
2014-06-02 7:59 ` Holger Schurig
2014-06-02 8:31 ` Sascha Hauer
2014-06-02 10:20 ` Antony Pavlov [this message]
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