[PATCH RFC] clk: add support for automatic parent handling
skannan at codeaurora.org
Fri Apr 22 18:26:25 EDT 2011
On 04/22/2011 09:57 AM, Thomas Gleixner wrote:
> 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.
MSM certainly has the need for having independent clock trees. I would
like support for this to be in from the start otherwise it's going to
really screw clocks in one of the trees.
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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