From: Keith Owens <kaos@ocs.com.au>
To: linux-hotplug@vger.kernel.org
Subject: Re: hotplug TTD
Date: Fri, 12 Jan 2001 23:45:18 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-97934315527157@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-97901650309422@msgid-missing>
On Fri, 12 Jan 2001 09:37:52 -0800,
David Brownell <david-b@pacbell.net> wrote:
>andrew.grover wrote
>> And, I
>> remember reading that the latest modutils had some mechanism to pass config
>> info, but I haven't looked further..
>
>That's module configuration data, not device configuration data.
It can be either. The new mechanism allows for persistent module data,
i.e. data values that are saved and restored across unload and reload,
even across reboot. Modutils just saves and restores the data, it is
up to the module to decide what to do with it. The obvious use is for
user settings in media drivers; volume, balance, TV tuner settings etc.
Does persistent data make sense for hotuplugging devices? It depends
on the device and the driver. Even if you use persistent data, the
driver has to cope with the case of no data. There is no data for the
initial load and when the saved data is not available, for whatever
reason.
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next prev parent reply other threads:[~2001-01-12 23:45 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-09 4:59 hotplug TTD Morton, Andrew [WOLL:4009-M:EXCH]
2001-01-09 5:47 ` Miles Lane
2001-01-09 6:55 ` Miles Lane
2001-01-09 8:49 ` Adam J. Richter
2001-01-09 17:09 ` David Brownell
2001-01-09 17:38 ` David Brownell
2001-01-10 6:20 ` Grover, Andrew
2001-01-10 6:34 ` Grover, Andrew
2001-01-10 10:58 ` Andrew Morton
2001-01-10 10:58 ` Andrew Morton
2001-01-10 10:59 ` Andrew Morton
2001-01-11 16:10 ` David Brownell
2001-01-11 16:40 ` David Brownell
2001-01-11 17:18 ` David Hinds
2001-01-11 18:04 ` David Brownell
2001-01-12 0:09 ` Grover, Andrew
2001-01-12 0:33 ` Grover, Andrew
2001-01-12 1:13 ` Grover, Andrew
2001-01-12 12:51 ` Andrew Morton
2001-01-12 16:42 ` David Brownell
2001-01-12 17:37 ` David Brownell
2001-01-12 23:45 ` Keith Owens [this message]
2001-01-13 18:54 ` David Brownell
2001-01-13 23:25 ` Keith Owens
2001-02-03 23:37 ` Miles Lane
2001-02-03 23:48 ` Keith Owens
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