linux-kernel - [PATCH v3 0/4] usb: typec: ucsi: Expand SOP/SOP' Discovery

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Date: Wed, 28 Feb 2024 23:19:46 +0000
From: Jameson Thies <jthies@...gle.com>
To: heikki.krogerus@...ux.intel.com, linux-usb@...r.kernel.org
Cc: jthies@...gle.com, pmalani@...omium.org, bleung@...gle.com, 
	abhishekpandit@...omium.org, andersson@...nel.org, 
	dmitry.baryshkov@...aro.org, fabrice.gasnier@...s.st.com, 
	gregkh@...uxfoundation.org, hdegoede@...hat.com, neil.armstrong@...aro.org, 
	rajaram.regupathy@...el.com, saranya.gopal@...el.com, 
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/4] usb: typec: ucsi: Expand SOP/SOP' Discovery

Hi Heikki,

This patch series expands support for partner and cable discover in the
UCSI driver. There are a few pieces here.

1. Some cleanup of the GET_CABLE_PROP definitions in ucsi.h.
2. Cable discovery and registration with the USB Type-C connector class.
3. Partner/Cable identity registration with the USB Type-C connector
class.
4. SOP' alternate mode registration with the USB-C connector class using
a cable plug.

These have been tested on a the usb-testing branch merged with a
chromeOS 6.8-rc2 kernel. Let me know if you have any questions.

Thanks,
Jameson

Changes in v3:
- Fixed CC stable.

Changes in v2:
- Re-ordered memset call and null assignment when unregistering partners
and cables.
- Supports registering partner and cable identity with UCSI versions
before v2.0.
- Shortened lines to within 80 characters with the exception of two
error log lines with three indentations.
- Tested on usb-testing branch merged with chromeOS 6.8-rc2 kernel.

Jameson Thies (4):
  usb: typec: ucsi: Clean up UCSI_CABLE_PROP macros
  usb: typec: ucsi: Register cables based on GET_CABLE_PROPERTY
  usb: typec: ucsi: Register SOP/SOP' Discover Identity Responses
  usb: typec: ucsi: Register SOP' alternate modes with cable plug

 drivers/usb/typec/ucsi/ucsi.c | 258 ++++++++++++++++++++++++++++++++++
 drivers/usb/typec/ucsi/ucsi.h |  40 +++++-
 2 files changed, 296 insertions(+), 2 deletions(-)


base-commit: a560a5672826fc1e057068bda93b3d4c98d037a2
-- 
2.44.0.rc1.240.g4c46232300-goog