netdev - Re: [PATCH net-next] dt-bindings: net: dwmac: Validate PBL for all IP-cores

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Date: Mon, 1 Jul 2024 11:23:37 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Serge Semin <fancer.lancer@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>, netdev@...r.kernel.org,
	"David S . Miller" <davem@...emloft.net>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	devicetree@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org, Jose Abreu <joabreu@...opsys.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next] dt-bindings: net: dwmac: Validate PBL for all
 IP-cores


On Fri, 28 Jun 2024 18:45:12 +0300, Serge Semin wrote:
> Indeed the maximum DMA burst length can be programmed not only for DW
> xGMACs, Allwinner EMACs and Spear SoC GMAC, but in accordance with
> [1, 2, 3] for Generic DW *MAC IP-cores. Moreover the STMMAC driver parses
> the property and then apply the configuration for all supported DW MAC
> devices. All of that makes the property being available for all IP-cores
> the bindings supports. Let's make sure the PBL-related properties are
> validated for all of them by the common DW *MAC DT schema.
> 
> [1] DesignWare Cores Ethernet MAC Universal Databook, Revision 3.73a,
>     October 2013, p.378.
> 
> [2] DesignWare Cores Ethernet Quality-of-Service Databook, Revision 5.10a,
>     December 2017, p.1223.
> 
> [3] DesignWare Cores XGMAC - 10G Ethernet MAC Databook, Revision 2.11a,
>     September 2015, p.469-473.
> 
> Signed-off-by: Serge Semin <fancer.lancer@...il.com>
> 
> ---
> 
> The discussion where we agreed to submit this change:
> Link: https://lore.kernel.org/netdev/20240625215442.190557-2-robh@kernel.org
> 
> ---
>  .../devicetree/bindings/net/snps,dwmac.yaml   | 80 ++++++-------------
>  1 file changed, 26 insertions(+), 54 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>