ACPI support for optee driver

[Mayuresh Chitale <mchitale@xxxxxxx>]

Hi,

I am working on adding APCI support to optee kernel driver and was
considering implementing it in the following way:

- An optee device node would be added to the bios as follows:
Device(OPTE) {
      Name(_HID, ...)
      Name(_CID, ...)
      Name(_DDN, ...)
      Name (_DSD, Package () {
          Package () {
            Package (2) {"method", "smc"}
          }
      })
    }

- The optee kernel driver would then search for \\SB.OPTE device using
acpi_get_handle and parse the node to get the conduit method.

I was wondering if this is the correct way to implement it and if so
do I need to get the OPTE device registered?  Your feedback is really
appreciated.

Thanks,
Mayuresh.
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