netdev - Re: [PATCH v5 0/5] Introduce IEP driver and packet timestamping support

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Message-ID: <ZN9aSTUOT+SKESQS@vergenet.net>
Date: Fri, 18 Aug 2023 13:47:21 +0200
From: Simon Horman <horms@...nel.org>
To: MD Danish Anwar <danishanwar@...com>
Cc: Randy Dunlap <rdunlap@...radead.org>, Roger Quadros <rogerq@...nel.org>,
	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 v5 0/5] Introduce IEP driver and packet timestamping
 support

On Thu, Aug 17, 2023 at 05:15:22PM +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 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

For series,

Reviewed-by: Simon Horman <horms@...nel.org>