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SubjectRe: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface
On 16.8.2017 17:39, Marc Zyngier wrote:
> On 16/08/17 13:24, Michal Simek wrote:
>> Hi,
>> xilinx is using this interface for very long time and we can't merge our
>> driver changes to Linux because of missing communication layer with
>> firmware. This interface was developed before scpi and scmi was
>> available. In connection to power management scpi and scmi are missing
>> pieces which we already use. There is a separate discussion how to
>> extend scmi to support all our use cases.
> So maybe we should wait and see where this discussion is going before we
> merge yet another firmware interface?

It will take a lot of time when this discussion ends and I can't see any
benefit to hold all

>> This simply patch is not adding any power management features but only
>> adding minimum functionality which are needed for drivers.
> I don't get it. 600 lines of firmware interface that isn't used by
> anything? Or is it? Needed by which driver?

I can send that drivers for review. pinctrl, fpga manager, nvmem driver,
clock, serdes phy and reset drivers.
But this driver need to come first because they depend on this.


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