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    SubjectRe: [PATCH v2 0/9] Add support for Microsoft Surface System Ag gregator Module
    > 
    > > More on that, the whole purpose of proposed interface is to debug and
    > > not intended to be used by any user space code.
    >
    > The purpose is to provide raw access to the Surface Serial Hub protocol,
    > just like we provide raw access to USB devices and have hidraw devices.
    >
    > So this goes a litle beyond just debugging; and eventually the choice
    > may be made to implement some functionality with userspace drivers,
    > just like we do for some HID and USB devices.
    >
    > Still I agree with you that adding new userspace API is something which
    > needs to be considered carefully. So I will look at this closely when
    > reviewing this set.

    To add to that: this was previously a debugfs interface but was moved to misc after review on the initial RFC:
    https://lkml.org/lkml/2020/9/24/96

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