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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Holger Schurig <holgerschurig@gmail.com>
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 10:31:07 +0200	[thread overview]
Message-ID: <20140602083107.GX15686@pengutronix.de> (raw)
In-Reply-To: <CAOpc7mGZGM7K3TxKQhBb1FesfazzViV5ujumPf8ihAjGNGJNwQ@mail.gmail.com>

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.

Sascha

-- 
Pengutronix e.K.                           |                             |
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  reply	other threads:[~2014-06-02  8:31 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 [this message]
2014-06-02 10:20           ` Antony Pavlov

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