linux-kernel - RE: [PATCH v2 0/2] Add support to get/set PHY attributes using PHY framework

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Date:   Thu, 9 Jul 2020 07:02:37 +0000
From:   Swapnil Kashinath Jakhade <sjakhade@...ence.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kishon@...com" <kishon@...com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "maxime@...no.tech" <maxime@...no.tech>,
        Vinod Koul <vkoul@...nel.org>
CC:     "nsekhar@...com" <nsekhar@...com>, "jsarha@...com" <jsarha@...com>,
        "tomi.valkeinen@...com" <tomi.valkeinen@...com>,
        "praneeth@...com" <praneeth@...com>,
        Milind Parab <mparab@...ence.com>,
        Yuti Suresh Amonkar <yamonkar@...ence.com>
Subject: RE: [PATCH v2 0/2] Add support to get/set PHY attributes using PHY
 framework

Ping requesting review comments.
https://lkml.org/lkml/2020/5/26/507

Thanks & regards,
Swapnil

> -----Original Message-----
> From: Yuti Amonkar <yamonkar@...ence.com>
> Sent: Tuesday, May 26, 2020 8:05 PM
> To: linux-kernel@...r.kernel.org; kishon@...com; robh+dt@...nel.org;
> mark.rutland@....com; maxime@...no.tech
> Cc: nsekhar@...com; jsarha@...com; tomi.valkeinen@...com;
> praneeth@...com; Milind Parab <mparab@...ence.com>; Swapnil Kashinath
> Jakhade <sjakhade@...ence.com>; Yuti Suresh Amonkar
> <yamonkar@...ence.com>
> Subject: [PATCH v2 0/2] Add support to get/set PHY attributes using PHY
> framework
> 
> This patch series adds support to use kernel PHY subsystem APIs to get/set
> PHY attributes like number of lanes and maximum link rate.
> 
> It includes following patches:
> 
> 1. v2-0001-phy-Add-max_link_rate-as-a-PHY-attribute-and-APIs.patch
> This patch adds max_link_rate as a PHY attribute along with a pair of APIs
> that allow the generic PHY subsystem to get/set PHY attributes supported by
> the PHY.
> The PHY provider driver may use phy_set_attrs() API to set the values that
> PHY supports.
> The controller driver may then use phy_get_attrs() API to fetch the PHY
> attributes in order to properly configure the controller.
> 
> 2. v2-0002-phy-phy-cadence-torrent-Use-kernel-PHY-API-to-set.patch
> This patch uses kernel PHY API phy_set_attrs to set corresponding PHY
> properties in Cadence Torrent PHY driver. This will enable drivers using this
> PHY to read these properties using PHY framework.
> 
> The phy_get_attrs() API will be used in the DRM bridge driver [1] which is in
> process of upstreaming.
> 
> [1]
> 
> https://lkml.org/lkml/2020/2/26/263
> 
> Version History:
> 
> v2:
>     - Implemented single pair of functions to get/set all PHY attributes
> 
> Swapnil Jakhade (1):
>   phy: phy-cadence-torrent: Use kernel PHY API to set PHY attributes
> 
> Yuti Amonkar (1):
>   phy: Add max_link_rate as a PHY attribute and APIs to get/set
>     phy_attrs
> 
>  drivers/phy/cadence/phy-cadence-torrent.c |  7 +++++++
>  include/linux/phy/phy.h                   | 25 +++++++++++++++++++++++
>  2 files changed, 32 insertions(+)
> 
> --
> 2.17.1