linux-kernel - Re: [PATCH] OMAP: hwmod: add kernel cmdline flag to avoid resetting IP blocks during init

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Message-ID: <alpine.DEB.2.00.1107051955450.4217@utopia.booyaka.com>
Date:	Tue, 5 Jul 2011 20:00:47 -0600 (MDT)
From:	Paul Walmsley <paul@...an.com>
To:	Tony Lindgren <tony@...mide.com>
cc:	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Aaro Koskinen <aaro.koskinen@...ia.com>,
	Rajendra Nayak <rnayak@...com>,
	Benoît Cousson <b-cousson@...com>,
	Michael Buesch <mb@...sch.de>
Subject: Re: [PATCH] OMAP: hwmod: add kernel cmdline flag to avoid resetting
 IP blocks during init

On Tue, 5 Jul 2011, Paul Walmsley wrote:

> For this case, we probably need some board file function to tell the 
> hwmod code to disregard a device completely, to tell the kernel to 
> pretend that the device does not exist.

... and the other problem here is that we currently probe devices via an 
arch_initcall(), and the board file init_machine is also an arch_initcall.
Either we'll need to be very careful about Makefile ordering, or we should 
just call omap2_init_devices() from the board file init_machine directly.
The latter makes the most sense to me.


- Paul
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