linux-kernel - Re: [PATCH] usb: dwc3: omap: Use devm_regulator_get

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Message-ID: <CAL_JsqKXJEVQuDqp1amkYHDrfKdx0w25bonKLhZh9UPjA97-3Q@mail.gmail.com>
Date: Mon, 6 Jan 2025 15:37:30 -0600
From: Rob Herring <robh@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: Thinh Nguyen <Thinh.Nguyen@...opsys.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Liam Girdwood <lgirdwood@...il.com>, 
	linux-usb@...r.kernel.org, linux-omap@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: dwc3: omap: Use devm_regulator_get_optional()

On Mon, Jan 6, 2025 at 6:49 AM Mark Brown <broonie@...nel.org> wrote:
>
> On Tue, Dec 31, 2024 at 10:44:56AM -0600, Rob Herring (Arm) wrote:
> > The 'vbus-supply' regulator is optional, so use
> > devm_regulator_get_optional() instead of checking for property presence
> > first.
>
> Is it actually optional?  The name suggests it's likely to be
> required...

That's what the binding says. From a quick scan, I only see this used
for OMAP5. The preference is for this to be in the connector node as
that is where Vbus is hooked up to typically.

Rob