From mboxrd@z Thu Jan 1 00:00:00 1970 From: tglx@linutronix.de (Thomas Gleixner) Date: Fri, 22 Apr 2011 18:57:39 +0200 (CEST) Subject: [PATCH RFC] clk: add support for automatic parent handling In-Reply-To: References: <1303308457-7501-1-git-send-email-u.kleine-koenig@pengutronix.de> <20110420185922.GD31131@pengutronix.de> <20110421074214.GE15233@pengutronix.de> <20110421120656.GF15233@pengutronix.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 22 Apr 2011, Colin Cross wrote: > On Fri, Apr 22, 2011 at 2:51 AM, Thomas Gleixner wrote: > > Another thing I'm pondering is to provide the ability to maintain > > separate clk trees. So you can have individual domains which have > > their per clk tree locking. Would that make sense ? > > Clock trees are likely to be linked somewhere - an external clock chip > that drives the main clock input on the SoC, or an SoC clock output > that drives a chip with an internal clock tree. Domains would have to > be dynamically managed to ensure two clocks from different clock chips > that become linked are moved under the same clock lock. Probably > easier to keep a global lock. Ok. It's easy enough to split later if the need arises. Thanks, tglx