netdev - Re: [PATCH v4 2/3] dt-bindings: net: nxp,s32-dwmac: Use the GPR syscon

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <176944234037.2470745.663646756174541534.robh@kernel.org>
Date: Mon, 26 Jan 2026 09:45:40 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Frank Li <Frank.li@....com>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, s32@....com,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Jan Petrous <jan.petrous@....nxp.com>,
	Paolo Abeni <pabeni@...hat.com>, linaro-s32@...aro.org,
	imx@...ts.linux.dev, Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH v4 2/3] dt-bindings: net: nxp,s32-dwmac: Use the GPR
 syscon


On Fri, 23 Jan 2026 22:51:15 +0300, Dan Carpenter wrote:
> The S32 chipsets have a GPR region which has a miscellaneous registers
> including the GMAC_0_CTRL_STS register.  Originally, this code accessed
> that register in a sort of ad-hoc way, but it's cleaner to use a
> syscon interface to access these registers.
> 
> We still need to maintain the old method of accessing the GMAC register
> but using a syscon will let us access other registers more cleanly.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---
> v4: Fix the formatting issue Rob pointed out
> v3: Better documentation about what GMAC_0_CTRL_STS register does.
> v2: Add the vendor prefix to the phandle
>     Fix the documentation
> 
>  .../devicetree/bindings/net/nxp,s32-dwmac.yaml      | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 

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