[PATCH RFC] clk: add support for automatic parent handling

Thomas Gleixner tglx at linutronix.de
Fri Apr 22 12:57:39 EDT 2011

On Fri, 22 Apr 2011, Colin Cross wrote:

> On Fri, Apr 22, 2011 at 2:51 AM, Thomas Gleixner <tglx at linutronix.de> 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.



More information about the linux-arm-kernel mailing list