All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg KH <gregkh@linuxfoundation.org>
To: Benson Leung <bleung@google.com>
Cc: Benson Leung <bleung@chromium.org>,
	heikki.krogerus@linux.intel.com, enric.balletbo@collabora.com,
	pmalani@chromium.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, groeck@chromium.org
Subject: Re: [PATCH 0/6] usb: typec: and platform/chrome: Add PD revision numbers
Date: Tue, 2 Feb 2021 08:32:06 +0100	[thread overview]
Message-ID: <YBj/9tP7b4CgeZ8r@kroah.com> (raw)
In-Reply-To: <YBj5b7O60c6fh/nX@google.com>

On Mon, Feb 01, 2021 at 11:04:15PM -0800, Benson Leung wrote:
> Hi Greg,
> 
> On Mon, Feb 01, 2021 at 03:32:47PM +0100, Greg KH wrote:
> > On Thu, Jan 28, 2021 at 10:14:00PM -0800, Benson Leung wrote:
> > > USB Power Delivery has a 3 entity handshake (port, cable, partner), and as
> > > of USB PD R3.0, each entity may independently support either Revision 2 or
> > > Revision 3 signaling and protocol. In order for userspace and the kernel
> > > to properly process the data objects received from a particular SOP*, we
> > > must know to which revision of the spec each conforms.
> > > 
> > > This series adds individual version numbers for the partner and the cable,
> > > and exposes them in the appropriate sysfs in /sys/class/typec.
> > > 
> > > I provide as a first implementation of this, platform/chrome's cros_ec_typec
> > > driver, whose underlying status messages convey the SOP and SOP' revisions
> > > already.
> > 
> > I've taken the first 3 patches in my tree now, but the last 3 (for the
> > chrome_ec_typec.c driver), they do not apply at all.
> > 
> 
> Ah, that's because we have some other changes for the cros_ec_typec.c driver
> already in platform/chrome for our 5.12 branch.
> 
> For 5.12, the changes for cros_ec_typec driver is pretty well contained,
> although there is some dependence on typec subsystem changes now.
> 
> If I send you a pull request containing all of the changes for this driver we
> have already merged, plus these last three that depend on both of our trees
> would you merge it through usb for 5.12?

If the subsystem maintainer says it is ok, yes, I will be glad to take a
stable git tag to pull from into my usb-next branch.

thanks,

greg k-h

  reply	other threads:[~2021-02-02  7:32 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29  6:14 [PATCH 0/6] usb: typec: and platform/chrome: Add PD revision numbers Benson Leung
2021-01-29  6:14 ` [PATCH 1/6] usb: typec: Standardize PD Revision format with Type-C Revision Benson Leung
2021-02-01 12:38   ` Heikki Krogerus
2021-01-29  6:14 ` [PATCH 2/6] usb: typec: Provide PD Specification Revision for cable and partner Benson Leung
2021-02-01 12:40   ` Heikki Krogerus
2021-01-29  6:14 ` [PATCH 3/6] usb: typec: Add typec_partner_set_pd_revision Benson Leung
2021-02-01 12:41   ` Heikki Krogerus
2021-01-29  6:14 ` [PATCH 4/6] platform/chrome: cros_ec_typec: Report SOP' PD revision from status Benson Leung
2021-02-01 12:51   ` Heikki Krogerus
2021-02-01 14:33   ` Enric Balletbo i Serra
2021-02-01 18:12   ` Prashant Malani
2021-01-29  6:14 ` [PATCH 5/6] platform/chrome: cros_ec_typec: Set Partner " Benson Leung
2021-02-01 12:52   ` Heikki Krogerus
2021-02-01 14:33   ` Enric Balletbo i Serra
2021-02-01 18:13   ` Prashant Malani
2021-01-29  6:14 ` [PATCH 6/6] platform/chrome: cros_ec_typec: Set opmode to PD on SOP connected Benson Leung
2021-02-01 12:55   ` Heikki Krogerus
2021-02-01 14:33   ` Enric Balletbo i Serra
2021-02-01 18:15   ` Prashant Malani
2021-02-01 14:32 ` [PATCH 0/6] usb: typec: and platform/chrome: Add PD revision numbers Greg KH
2021-02-02  7:04   ` Benson Leung
2021-02-02  7:32     ` Greg KH [this message]
2021-02-01 14:37 ` Enric Balletbo i Serra
2021-02-01 14:43   ` Enric Balletbo i Serra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YBj/9tP7b4CgeZ8r@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=bleung@chromium.org \
    --cc=bleung@google.com \
    --cc=enric.balletbo@collabora.com \
    --cc=groeck@chromium.org \
    --cc=heikki.krogerus@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=pmalani@chromium.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.