Martin Sperl <ker...@martin.sperl.org> writes:
>> On 26.04.2016, at 21:39, Eric Anholt <e...@anholt.net> wrote:
>>
>> If the firmware had set up a clock to source from PLLC, go along with
>> it. But if we're looking for a new parent, we don't want to switch it
>> to PLLC because the firmware will force PLLC (and thus the AXI bus
>> clock) to different frequencies during over-temp/under-voltage,
>> without notification to Linux.
>>
>> On my system, this moves the Linux-enabled HDMI state machine and DSI1
>> escape clock over to plld_per from pllc_per. EMMC still ends up on
>> pllc_per, because the firmware had set it up to use that.
>>
>> Signed-off-by: Eric Anholt <e...@anholt.net>
>> Fixes: 41691b8862e2 ("clk: bcm2835: Add support for programming the audio
>> domain clocks")
>> —
>
> I guess this patch looks to me as if it is a policy inside the kernel,
> which is AFAIK frowned upon.Can you come up with a use for putting peripherals on PLLC ever, such that we need choice?
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