linux-kernel - Re: [PATCH v3 2/2] clk: prevent orphan clocks from being used

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Message-ID: <20150430232048.GB32407@codeaurora.org>
Date:	Thu, 30 Apr 2015 16:20:48 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Heiko Stuebner <heiko@...ech.de>
Cc:	mturquette@...aro.org, dianders@...omium.org,
	linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Alex Elder <elder@...aro.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Max Filippov <jcmvbkbc@...il.com>, kernel@...gutronix.de,
	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Santosh Shilimkar <ssantosh@...nel.org>,
	Chao Xie <chao.xie@...vell.com>,
	Jason Cooper <jason@...edaemon.net>,
	Stefan Wahren <stefan.wahren@...e.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Georgi Djakov <georgi.djakov@...aro.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Barry Song <baohua@...nel.org>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	Viresh Kumar <viresh.linux@...il.com>,
	Gabriel FERNANDEZ <gabriel.fernandez@...com>,
	emilio@...pez.com.ar, Peter De Schrijver <pdeschrijver@...dia.com>,
	Tero Kristo <t-kristo@...com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Pawel Moll <pawel.moll@....com>,
	Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH v3 2/2] clk: prevent orphan clocks from being used

On 04/22, Heiko Stuebner wrote:
> Orphan clocks or children of orphan clocks don't have rate information at
> all and can produce strange results if they're allowed to be used and the
> parent becomes available later on.
> 
> So using the newly introduced orphan status bit defer
> __of_clk_get_from_provider calls for orphan clocks.
> 
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> Cc: Boris Brezillon <boris.brezillon@...e-electrons.com>
> Cc: Alex Elder <elder@...aro.org>
> Cc: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> Cc: Stephen Warren <swarren@...dotorg.org>
> Cc: Max Filippov <jcmvbkbc@...il.com>
> Cc: kernel@...gutronix.de
> Cc: Zhangfei Gao <zhangfei.gao@...aro.org>
> Cc: Santosh Shilimkar <ssantosh@...nel.org>
> Cc: Chao Xie <chao.xie@...vell.com>
> Cc: Jason Cooper <jason@...edaemon.net>
> Cc: Stefan Wahren <stefan.wahren@...e.com>
> Cc: Andrew Bresticker <abrestic@...omium.org>
> Cc: Robert Jarzmik <robert.jarzmik@...e.fr>
> Cc: Georgi Djakov <georgi.djakov@...aro.org>
> Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>
> Cc: Geert Uytterhoeven <geert+renesas@...der.be>
> Cc: Barry Song <baohua@...nel.org>
> Cc: Dinh Nguyen <dinguyen@...nsource.altera.com>
> Cc: Viresh Kumar <viresh.linux@...il.com>
> Cc: Gabriel FERNANDEZ <gabriel.fernandez@...com>
> Cc: emilio@...pez.com.ar
> Cc: Peter De Schrijver <pdeschrijver@...dia.com>
> Cc: Tero Kristo <t-kristo@...com>
> Cc: Ulf Hansson <ulf.hansson@...aro.org>
> Cc: Pawel Moll <pawel.moll@....com>
> Cc: Michal Simek <michal.simek@...inx.com>

Applied to clk-next.

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