On Fri, 28 Dec 2018 at 00:31, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: > > Similar to how OP-TEE is exposed as a pseudo device under /firmware/optee > on DT systems, permit OP-TEE presence to be exposed via a device object > in the ACPI namespace. This makes it possible to model the OP-TEE interface > as a platform device gets instantiated automatically both on DT and ACPI > systems, and implement the driver as a platform driver that is able to > use the generic device properties API to access the 'method' attribute > as well as potential future extensions to the binding that introduce > new attributes. > > What remains to be discussed is how to expose OP-TEE pseudo devices, > e.g., Sumit's RNG implementation on SynQuacer which we would like to > bind a Linux driver to. > > Cc: Jens Wiklander <jens.wiklan...@linaro.org> > Cc: Sumit Garg <sumit.g...@linaro.org> > Cc: Graeme Gregory <graeme.greg...@linaro.org> > Cc: Jerome Forissier <jerome.foriss...@linaro.org> > > Ard Biesheuvel (2): > optee: model OP-TEE as a platform device/driver > optee: add ACPI support > > drivers/tee/optee/core.c | 94 +++++++++----------- > 1 file changed, 41 insertions(+), 53 deletions(-) >
Looks good to me. Acked-by: Sumit Garg <sumit.g...@linaro.org> > -- > 2.19.2 >
