linux-kernel - Re: [PATCH v8 0/6] typec: tcpm: Add sink side support for PPS

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Message-ID: <20180424232633.s475bsccxjhm7lpy@earth.universe>
Date:   Wed, 25 Apr 2018 01:26:33 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Hans de Goede <hdegoede@...hat.com>, Jun Li <jun.li@....com>,
        linux-usb@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, support.opensource@...semi.com
Subject: Re: [PATCH v8 0/6] typec: tcpm: Add sink side support for PPS

Hi Greg,

On Tue, Apr 24, 2018 at 03:57:49PM +0200, Greg Kroah-Hartman wrote:
> On Mon, Apr 23, 2018 at 03:10:55PM +0100, Adam Thomson wrote:
> > This patch set adds sink side support for the PPS feature introduced in the
> > USB PD 3.0 specification.
> > 
> > The source PPS supply is represented using the Power Supply framework to provide
> > access and control APIs for dealing with it's operating voltage and current,
> > and switching between a standard PDO and PPS APDO operation. During standard PDO
> > operation the voltage and current is read-only, but for APDO PPS these are
> > writable as well to allow for control.
> > 
> > It should be noted that the keepalive for PPS is not handled within TCPM. The
> > expectation is that the external user will be required to ensure re-requests
> > occur regularly to ensure PPS remains and the source does not hard reset.
> 
> Sebastian, any objection from me taking this series through my USB tree?

I currently have the power-supply bits in a local branch for
testing. I would like to have this in the power-supply
tree, since there is at least one pending driver which could
directly use the newly introduced usb_type.

I can either provide an immutable branch with a signed tag, or
you can merged it and provide me an immutable branch.

If you merge it via the USB tree patch 2-4 are

Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>

-- Sebastian

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