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SubjectRe: [PATCH v7] regulator: fixed: Convert to use GPIO descriptor only
On Thu, Sep 6, 2018 at 6:01 AM Linus Walleij <linus.walleij@linaro.org> wrote:
>
> As we augmented the regulator core to accept a GPIO descriptor instead
> of a GPIO number, we can augment the fixed GPIO regulator to look up
> and pass that descriptor directly from device tree or board GPIO
> descriptor look up tables.
>
> Some boards just auto-enumerate their fixed regulator platform devices
> and I have assumed they get names like "fixed-regulator.0" but it's
> pretty hard to guess this. I need some testing from board maintainers to
> be sure. Other boards are straight forward, using just plain
> "fixed-regulator" (ID -1) or "fixed-regulator.1" hammering down the
> device ID.

Hey Linus,
Anders recently noted a regression in -next when running HiKey,
where USB fails to function. I took a look and could reproduce this
as well, and after some unsuccessful muddling about in the usb
changes, I bisected it down to your commit here (specifically
efdfeb079cc3 in -next).

I'm not sure exactly why this would cause trouble, but I suspect it
has something to do w/ the cable-detect OTG to host-hub switch on the
HiKey.

Anyway, I just wanted to raise this with you so it can get sorted out
before that patch hits mainline.

thanks
-john

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