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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Michael Galea <michaelgalea@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] How can I make Xenomai share a mii bus with the kernel?
Date: Thu, 03 Jul 2008 22:34:21 +0200	[thread overview]
Message-ID: <486D37CD.7020504@domain.hid> (raw)
In-Reply-To: <486D377A.2050709@domain.hid>

Michael Galea wrote:
> /* Wait till MII management write is complete */
> while ((in_be32(&regs->miimind)) & MIIMIND_BUSY) cpu_relax();

This is no good. Putting this under spinlock may mean large masking
sections.

-- 


					    Gilles.


  reply	other threads:[~2008-07-03 20:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-03 14:40 [Xenomai-help] How can I make Xenomai share a mii bus with the kernel? Michael Galea
2008-07-03 15:25 ` Gilles Chanteperdrix
2008-07-03 15:35   ` Philippe Gerum
2008-07-03 15:38     ` Gilles Chanteperdrix
2008-07-03 15:45       ` Philippe Gerum
2008-07-03 15:52         ` Gilles Chanteperdrix
2008-07-03 20:32         ` Michael Galea
2008-07-03 20:34           ` Gilles Chanteperdrix [this message]
2008-07-03 15:41   ` Michael Galea
2008-07-03 15:43     ` Gilles Chanteperdrix
2008-07-03 15:26 ` Philippe Gerum
2008-07-03 20:15   ` Michael Galea

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