Re: [PATCH v14 3/5] tee: add OP-TEE driver

[Arnd Bergmann]

On Wed, Jan 25, 2017 at 11:02 AM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Jan 25, 2017 at 10:47:45AM +0100, Jens Wiklander wrote:
>> On Tue, Jan 24, 2017 at 01:53:30PM +0100, Jens Wiklander wrote:
>> >
>> > /sys/class/tee/ sounds good, I'll use that. It's more or less what we
>> > also have today.
>>
>> I'm sorry, it seems a struct device has to be used in order to put stuff
>> under /sys/class/tee/. Or am I missing something?
>
> Nope, that is correct.

But that's a different device: this device represents the "class" of
device for the
user space interface, nothing wrong with that. However, we don't need both
the class device and a platform device that is made up by the optee driver
for a firmware feature to represent the same entity that we have the
class device
for.

     Arnd