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Message-ID: <5d077342-435f-2829-ba2a-cdf763b6b8e1@kernel.org>
Date: Fri, 18 Aug 2023 15:44:26 +0300
From: Roger Quadros <rogerq@...nel.org>
To: MD Danish Anwar <danishanwar@...com>, Randy Dunlap
 <rdunlap@...radead.org>, Simon Horman <simon.horman@...igine.com>,
 Vignesh Raghavendra <vigneshr@...com>, Andrew Lunn <andrew@...n.ch>,
 Richard Cochran <richardcochran@...il.com>,
 Conor Dooley <conor+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Rob Herring <robh+dt@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Jakub Kicinski <kuba@...nel.org>, Eric Dumazet <edumazet@...gle.com>,
 "David S. Miller" <davem@...emloft.net>
Cc: nm@...com, srk@...com, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, netdev@...r.kernel.org,
 linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 0/5] Introduce IEP driver and packet timestamping
 support



On 17/08/2023 14:45, MD Danish Anwar wrote:
> This series introduces Industrial Ethernet Peripheral (IEP) driver to
> support timestamping of ethernet packets and thus support PTP and PPS
> for PRU ICSSG ethernet ports.
> 
> This series also adds 10M full duplex support for ICSSG ethernet driver.
> 
> There are two IEP instances. IEP0 is used for packet timestamping while IEP1
> is used for 10M full duplex support.
> 
> This is v5 of the series [v1]. It addresses comments made on [v4].
> This series is based on linux-next(#next-20230817).
> 
> Changes from v4 to v5:
> *) Added comments on why we are using readl / writel instead of regmap_read()
>    / write() in icss_iep_gettime() / settime() APIs as asked by Roger.
> 
> Change from v3 to v4:
> *) Changed compatible in iep dt bindings. Now each SoC has their own compatible
>    in the binding with "ti,am654-icss-iep" as a fallback as asked by Conor.
> *) Addressed Andew's comments and removed helper APIs icss_iep_readl() / 
>    writel(). Now the settime/gettime APIs directly use readl() / writel().
> *) Moved selecting TI_ICSS_IEP in Kconfig from patch 3 to patch 4.
> *) Removed forward declaration of icss_iep_of_match in patch 3.
> *) Replaced use of of_device_get_match_data() to device_get_match_data() in
>    patch 3.
> *) Removed of_match_ptr() from patch 3 as it is not needed.
> 
> Changes from v2 to v3:
> *) Addressed Roger's comment and moved IEP1 related changes in patch 5.
> *) Addressed Roger's comment and moved icss_iep.c / .h changes from patch 4
>    to patch 3.
> *) Added support for multiple timestamping in patch 4 as asked by Roger.
> *) Addressed Andrew's comment and added comment in case SPEED_10 in
>    icssg_config_ipg() API.
> *) Kept compatible as "ti,am654-icss-iep" for all TI K3 SoCs
> 
> Changes from v1 to v2:
> *) Addressed Simon's comment to fix reverse xmas tree declaration. Some APIs
>    in patch 3 and 4 were not following reverse xmas tree variable declaration.
>    Fixed it in this version.
> *) Addressed Conor's comments and removed unsupported SoCs from compatible
>    comment in patch 1. 
> *) Addded patch 2 which was not part of v1. Patch 2, adds IEP node to dt
>    bindings for ICSSG.
> 
> [v1] https://lore.kernel.org/all/20230803110153.3309577-1-danishanwar@ti.com/
> [v2] https://lore.kernel.org/all/20230807110048.2611456-1-danishanwar@ti.com/
> [v3] https://lore.kernel.org/all/20230809114906.21866-1-danishanwar@ti.com/
> [v4] https://lore.kernel.org/all/20230814100847.3531480-1-danishanwar@ti.com/
> 
> Thanks and Regards,
> Md Danish Anwar
> 
> Grygorii Strashko (1):
>   net: ti: icssg-prueth: am65x SR2.0 add 10M full duplex support
> 
> MD Danish Anwar (2):
>   dt-bindings: net: Add ICSS IEP
>   dt-bindings: net: Add IEP property in ICSSG DT binding
> 
> Roger Quadros (2):
>   net: ti: icss-iep: Add IEP driver
>   net: ti: icssg-prueth: add packet timestamping and ptp support
> 
>  .../devicetree/bindings/net/ti,icss-iep.yaml  |  61 ++
>  .../bindings/net/ti,icssg-prueth.yaml         |   7 +
>  drivers/net/ethernet/ti/Kconfig               |  12 +
>  drivers/net/ethernet/ti/Makefile              |   1 +
>  drivers/net/ethernet/ti/icssg/icss_iep.c      | 965 ++++++++++++++++++
>  drivers/net/ethernet/ti/icssg/icss_iep.h      |  41 +
>  drivers/net/ethernet/ti/icssg/icssg_config.c  |   7 +
>  drivers/net/ethernet/ti/icssg/icssg_ethtool.c |  21 +
>  drivers/net/ethernet/ti/icssg/icssg_prueth.c  | 451 +++++++-
>  drivers/net/ethernet/ti/icssg/icssg_prueth.h  |  28 +-
>  10 files changed, 1586 insertions(+), 8 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/ti,icss-iep.yaml
>  create mode 100644 drivers/net/ethernet/ti/icssg/icss_iep.c
>  create mode 100644 drivers/net/ethernet/ti/icssg/icss_iep.h
> 

For this series:

Reviewed-by: Roger Quadros <rogerq@...nel.org>

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