linux-kernel - [PATCH v6 0/2] PHY: Add new PHY attribute max_link

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Message-ID: <1599805114-22063-1-git-send-email-sjakhade@cadence.com>
Date:   Fri, 11 Sep 2020 08:18:32 +0200
From:   Swapnil Jakhade <sjakhade@...ence.com>
To:     <vkoul@...nel.org>, <kishon@...com>,
        <linux-kernel@...r.kernel.org>, <maxime@...no.tech>,
        <Laurent.pinchart@...asonboard.com>
CC:     <mparab@...ence.com>, <sjakhade@...ence.com>,
        <yamonkar@...ence.com>, <nsekhar@...com>, <tomi.valkeinen@...com>,
        <jsarha@...com>, <praneeth@...com>
Subject: [PATCH v6 0/2] PHY: Add new PHY attribute max_link_rate

This patch series adds a new PHY attribute max_link_rate.
It also updates Cadence Torrent PHY driver to set attributes bus_width,
max_link_rate and mode for DisplayPort.

It includes following patches:

1. 0001-phy-Add-new-PHY-attribute-max_link_rate.patch
This patch adds max_link_rate as a new PHY attribute.

2. 0002-phy-cadence-torrent-Set-Torrent-PHY-attributes.patch
This patch sets PHY attributes in Cadence Torrent PHY driver. This will
enable drivers using this PHY to read these properties.

These attributes will be used in the Cadence MHDP DRM bridge driver [1]
which is in the process of upstreaming.

[1]

https://lkml.org/lkml/2020/8/31/171

Version History:

v6:
   - Remove implementation of new APIs phy_get_attrs/phy_set_attrs
   - Set attributes manually in Torrent PHY driver

v5:
    - Add kernel-doc comments for phy_get_attrs/phy_set_attrs APIs
    - Pass second parameter of phy_set_attrs() as const struct *
    - Add Acked-by: Kishon Vijay Abraham I <kishon@...com>

v4:
    - Protect phy_get_attrs/phy_set_attrs APIs with mutex

v3:
    - Add comment describing new PHY attribute max_link_rate
    - Use of memcpy to copy structure members
    - Change commit log a bit

v2:
    - Implemented single pair of functions to get/set all PHY attributes

Swapnil Jakhade (2):
  phy: Add new PHY attribute max_link_rate
  phy: cadence-torrent: Set Torrent PHY attributes

 drivers/phy/cadence/phy-cadence-torrent.c | 4 ++++
 include/linux/phy/phy.h                   | 2 ++
 2 files changed, 6 insertions(+)

-- 
2.26.1