[alsa-devel] [PATCH v6 1/3] clk: x86: Add Atom PMC platform clocks

Stephen Boyd sboyd at codeaurora.org
Thu Dec 22 19:29:07 CET 2016


On 12/21/2016 05:07 PM, Pierre-Louis Bossart wrote:
> On 12/21/16 5:05 PM, Stephen Boyd wrote:
>>
>> Ok, by clkdev design if a device is passed but there isn't a
>> match in the lookup table it allows it to match based solely on
>> the connection id. Given that the connection id is globally
>> unique this will work.
>>
>> Hopefully we don't have two of these devices with pmc_plt_clk_<n>
>> signals in a single system though. Then having the device name
>> would help differentiate between the two. And then it may make
>> sense to have some sort of ACPI lookup system, similar to how we
>> have lookups for clks in DT.
>
> So in short we keep the existing solution for now and will only use
> the device name if and when the pmc_plt_clk_<n> identifier is no
> longer unique due to hardware changes. Did I get this right?

Ok.

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