linux-kernel - Re: [PATCH 2/2] clkdev: Implement managed clk

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Message-ID: <20120402180213.GI24211@n2100.arm.linux.org.uk>
Date:	Mon, 2 Apr 2012 19:02:13 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Mike Turquette <mturquette@...com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] clkdev: Implement managed clk_get()

On Mon, Apr 02, 2012 at 10:34:00AM -0700, Stephen Boyd wrote:
> I do think we should improve/replace clkdev by keeping the core parts
> (device name and connection name mapping) and internalizing it in the
> common clock code. Your comment about a 1:N mapping between clocks and
> devices sounds unfortunate.

Think about it.  You have a bus with a common clock feeding all peripherals
to qualify the data on the bus.  Do you:

(a) create N individual clocks parented to a single clock for the bus
(b) return a single clock for the entire bus
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