From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Cc: "'Joel Becker'" <jlbec@evilplan.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
"'Kyungmin Park'" <kyungmin.park@samsung.com>,
"'Felipe Balbi'" <balbi@ti.com>,
"'Greg Kroah-Hartman'" <gregkh@linuxfoundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
"'Alan Stern'" <stern@rowland.harvard.edu>
Subject: Re: [RFC 0/2] USB gadget - configfs
Date: Thu, 16 Aug 2012 15:47:15 +0200 [thread overview]
Message-ID: <502CF9E3.2010608@linutronix.de> (raw)
In-Reply-To: <000101cd7bb1$73f36050$5bda20f0$%p@samsung.com>
On 08/16/2012 03:17 PM, Andrzej Pietrasiewicz wrote:
> A lun is "opened" on storing the "file" attribute of the lun, it is in
> fsg_lun_store_file, storage_common.c. So, again, this is a configfs
> callback.
>
> On storing the connect attribute, the following happens: a composite driver
> is probed, then all the configurations are iterated over, their functions
> being bound in turn. After the gadget is set up this way, the host notices
> connecting a new mass storage device.
The configuration has to remain unchanged until the "connect" attribute
is changed (i.e. unconnected). That means the gadget can only be
reconfigured once it is not active.
> So it seems the only chance to call config_item_depend is in a configfs
> callback. Or is it?
>
> Thanks,
>
> Andrzej
Sebastian
next prev parent reply other threads:[~2012-08-16 13:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-21 10:55 [RFC 0/2] USB gadget - configfs Andrzej Pietrasiewicz
2012-06-21 10:55 ` [RFC 1/2] fs: configfs: add check_rmdir operation Andrzej Pietrasiewicz
2012-07-02 8:49 ` Joel Becker
2012-06-21 10:55 ` [RFC 2/2] usb: gadget: Add USB Functions Gadget Andrzej Pietrasiewicz
2012-06-21 11:34 ` [RFC 0/2] USB gadget - configfs Sebastian Andrzej Siewior
2012-06-24 19:50 ` Sebastian Andrzej Siewior
2012-06-25 14:11 ` Alan Stern
2012-07-03 16:15 ` Felipe Balbi
2012-07-02 9:09 ` Joel Becker
2012-07-10 8:54 ` Andrzej Pietrasiewicz
2012-08-15 8:13 ` Joel Becker
2012-08-16 13:17 ` Andrzej Pietrasiewicz
2012-08-16 13:47 ` Sebastian Andrzej Siewior [this message]
2012-08-17 1:46 ` Joel Becker
2012-08-17 9:22 ` Sebastian Andrzej Siewior
2012-08-17 10:30 ` Andrzej Pietrasiewicz
2012-08-17 10:34 ` Sebastian Andrzej Siewior
2012-08-20 5:59 ` Joel Becker
2012-08-20 8:53 ` Andrzej Pietrasiewicz
2012-08-20 11:17 ` Joel Becker
2012-08-20 11:01 ` Sebastian Andrzej Siewior
2012-08-20 11:19 ` Joel Becker
2012-08-21 8:19 ` Andrzej Pietrasiewicz
2012-08-29 19:52 ` Sebastian Andrzej Siewior
2012-08-29 13:17 ` Andrzej Pietrasiewicz
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