netdev - Re: [PATCH v2 0/5] Introduce IEP driver and packet timestamping support

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Date: Tue, 8 Aug 2023 13:08:00 +0100
From: Conor Dooley <conor@...nel.org>
To: MD Danish Anwar <danishanwar@...com>
Cc: Randy Dunlap <rdunlap@...radead.org>, Roger Quadros <rogerq@...nel.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>, 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 v2 0/5] Introduce IEP driver and packet timestamping
 support

On Mon, Aug 07, 2023 at 04:30:43PM +0530, 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 v2 of the series [v1]. It addresses comments made on [v1].
> This series is based on linux-next(#next-20230807). 
> 
> 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. 

I'm sorry I missed responding there before you sent v2, it was a bank
holiday yesterday. I'm curious why you removed them, rather than just
added them with a fallback to the ti,am654-icss-iep compatible, given
your comment that "the same compatible currently works for all these
3 SoCs".

Thanks,
Conor.

> *) 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/
> 
> Thanks and Regards,
> Md Danish Anwar
> 
> Grygorii Strashko (1):
>   net: ti: icssg-prueth: am65x SR2.0 add 10M full duplex support
> 
> MD Danish Anwar (1):
>   dt-bindings: net: Add iep node in ICSSG driver dt binding
> 
> Md Danish Anwar (1):
>   dt-bindings: net: Add ICSS IEP
> 
> 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  |  37 +
>  .../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      | 961 ++++++++++++++++++
>  drivers/net/ethernet/ti/icssg/icss_iep.h      |  41 +
>  drivers/net/ethernet/ti/icssg/icssg_config.c  |   6 +
>  drivers/net/ethernet/ti/icssg/icssg_ethtool.c |  21 +
>  drivers/net/ethernet/ti/icssg/icssg_prueth.c  | 433 +++++++-
>  drivers/net/ethernet/ti/icssg/icssg_prueth.h  |  28 +-
>  10 files changed, 1540 insertions(+), 7 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
> 
> -- 
> 2.34.1
> 

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