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Message-ID: <4F5FC090.90005@gmail.com>
Date: Tue, 13 Mar 2012 16:48:00 -0500
From: Rob Herring <robherring2@...il.com>
To: Mike Turquette <mturquette@...aro.org>
CC: Russell King <linux@....linux.org.uk>,
Andrew Lunn <andrew@...n.ch>, linaro-dev@...ts.linaro.org,
Saravana Kannan <skannan@...eaurora.org>,
Jeremy Kerr <jeremy.kerr@...onical.com>,
Magnus Damm <magnus.damm@...il.com>,
linux-arm-kernel@...ts.infradead.org,
Arnd Bergman <arnd.bergmann@...aro.org>, patches@...aro.org,
Sascha Hauer <s.hauer@...gutronix.de>,
Rob Herring <rob.herring@...xeda.com>,
Thomas Gleixner <tglx@...utronix.de>,
Paul Walmsley <paul@...an.com>,
Linus Walleij <linus.walleij@...ricsson.com>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>,
Stephen Boyd <sboyd@...eaurora.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/3] clk: introduce the common clock framework
Mike,
On 03/10/2012 01:54 AM, Mike Turquette wrote:
> The common clock framework defines a common struct clk useful across
> most platforms as well as an implementation of the clk api that drivers
> can use safely for managing clocks.
>
> The net result is consolidation of many different struct clk definitions
> and platform-specific clock framework implementations.
>
> This patch introduces the common struct clk, struct clk_ops and an
> implementation of the well-known clock api in include/clk/clk.h.
> Platforms may define their own hardware-specific clock structure and
> their own clock operation callbacks, so long as it wraps an instance of
> struct clk_hw.
>
> See Documentation/clk.txt for more details.
>
> This patch is based on the work of Jeremy Kerr, which in turn was based
> on the work of Ben Herrenschmidt.
>
> Signed-off-by: Mike Turquette <mturquette@...aro.org>
> Signed-off-by: Mike Turquette <mturquette@...com>
> Cc: Russell King <linux@....linux.org.uk>
> Cc: Jeremy Kerr <jeremy.kerr@...onical.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Arnd Bergman <arnd.bergmann@...aro.org>
> Cc: Paul Walmsley <paul@...an.com>
> Cc: Shawn Guo <shawn.guo@...escale.com>
> Cc: Sascha Hauer <s.hauer@...gutronix.de>
> Cc: Richard Zhao <richard.zhao@...aro.org>
> Cc: Saravana Kannan <skannan@...eaurora.org>
> Cc: Magnus Damm <magnus.damm@...il.com>
> Cc: Rob Herring <rob.herring@...xeda.com>
> Cc: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> Cc: Linus Walleij <linus.walleij@...ricsson.com>
> Cc: Stephen Boyd <sboyd@...eaurora.org>
> Cc: Amit Kucheria <amit.kucheria@...aro.org>
> Cc: Deepak Saxena <dsaxena@...aro.org>
> Cc: Grant Likely <grant.likely@...retlab.ca>
> Cc: Andrew Lunn <andrew@...n.ch>
snip
> +
> + /*
> + * walk the list of orphan clocks and reparent any that are children of
> + * this clock
> + */
> + hlist_for_each_entry(orphan, tmp, &clk_orphan_list, child_node)
In __clk_init, this needs to be hlist_for_each_entry_safe as entries can
be removed.
Rob
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