linux-kernel - Re: [PATCH] 3/3 maple: update bus driver to support Dreamcast VMU

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Message-ID: <20080324152952.GF2899@logfs.org>
Date:	Mon, 24 Mar 2008 16:29:52 +0100
From:	Jörn Engel <joern@...fs.org>
To:	Adrian McMenamin <adrian@...golddream.dyndns.info>
Cc:	Paul Mundt <lethal@...ux-sh.org>, Greg KH <greg@...ah.com>,
	dwmw2 <dwmw2@...radead.org>, LKML <linux-kernel@...r.kernel.org>,
	MTD <linux-mtd@...ts.infradead.org>,
	linux-sh <linux-sh@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] 3/3 maple: update bus driver to support Dreamcast VMU

On Mon, 24 March 2008 15:06:18 +0000, Adrian McMenamin wrote:
> 
> I don't think I have any alternative here. The problem is that the bus
> checks periodically (every HZ ticks but that could be changed) if a
> device remains connected to the system by queueing a status command. (If
> the status command is replied to with a "No response" then that
> indicates to the bus that the device has been removed.

Where does this queueing happen?  Somewhere in the kernel where we can
control it or in hardware?

Jörn

-- 
I don't understand it. Nobody does.
-- Richard P. Feynman
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