Message-ID: <4D5A063F.1010102@codeaurora.org>
Date: Mon, 14 Feb 2011 20:51:11 -0800
From: Saravana Kannan <skannan@codeaurora.org>
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To: Jeremy Kerr <jeremy.kerr@canonical.com>
CC: linux-arm-kernel@lists.infradead.org,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
        Vincent Guittot <vincent.guittot@linaro.org>, linux-sh@vger.kernel.org,
        Ben Herrenschmidt <benh@kernel.crashing.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Paul Mundt <lethal@linux-sh.org>, linux-kernel@vger.kernel.org,
        Ryan Mallon <ryan@bluewatersys.com>, Dima Zavin <dmitriyz@google.com>,
        Ben Dooks <ben-linux@fluff.org>,
        =?ISO-8859-1?Q?Uwe_Kleine-K=F6nig?= 
	<u.kleine-koenig@pengutronix.de>,
        Russell King <linux@arm.linux.org.uk>
Subject: Re: [RFC,PATCH 2/3] clk: Generic support for fixed-rate clocks
References: <1297233693.242725.820672531799.2.gpush@pororo>	<4D54738C.80900@bluewatersys.com> <201102150941.00668.jeremy.kerr@canonical.com>
In-Reply-To: <201102150941.00668.jeremy.kerr@canonical.com>
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On 02/14/2011 05:41 PM, Jeremy Kerr wrote:
> Hi Ryan,
>
>> A fixed clock may still have other operations such as enable/disable.
>
> Then it's not a fixed clock; I'd prefer this to be a separate type, as it's
> now hardware dependent.
>

I'm confused. If a clock's rate can't be changed and it can't be enabled 
or disabled, then what's the point of representing that clock 
signal/line as a clock in the driver. Seems like a "nothing to see here, 
move along" type of clock. To express it differently, I find this 
similar to "if (1) { ... }". Obviously I'm missing something here. What 
is it?

-Saravana

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