linux-kernel - Re: [RFC PATCH 12/36] platform: arm64: Move ec devices to an ec subdirectory

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: <20250721173202.00002b51@huawei.com>
Date: Mon, 21 Jul 2025 17:32:02 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: James Morse <james.morse@....com>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	"Rob Herring" <robh@...nel.org>, Ben Horgan <ben.horgan@....com>, Rohit
 Mathew <rohit.mathew@....com>, Shanker Donthineni <sdonthineni@...dia.com>,
	"Zeng Heng" <zengheng4@...wei.com>, Lecopzer Chen <lecopzerc@...dia.com>,
	"Carl Worth" <carl@...amperecomputing.com>,
	<shameerali.kolothum.thodi@...wei.com>, D Scott Phillips OS
	<scott@...amperecomputing.com>, <lcherian@...vell.com>,
	<bobo.shaobowang@...wei.com>, <tan.shaopeng@...itsu.com>,
	<baolin.wang@...ux.alibaba.com>, Jamie Iles <quic_jiles@...cinc.com>, Xin Hao
	<xhao@...ux.alibaba.com>, <peternewman@...gle.com>, <dfustini@...libre.com>,
	<amitsinght@...vell.com>, David Hildenbrand <david@...hat.com>, Rex Nie
	<rex.nie@...uarmicro.com>, Dave Martin <dave.martin@....com>, Koba Ko
	<kobak@...dia.com>
Subject: Re: [RFC PATCH 12/36] platform: arm64: Move ec devices to an ec
 subdirectory

On Fri, 11 Jul 2025 18:36:24 +0000
James Morse <james.morse@....com> wrote:

> commit 363c8aea257 "platform: Add ARM64 platform directory" added a
> subdirectory for arm64 platform devices, but claims that all such
> devices must be 'EC like'.
> 
> The arm64 MPAM driver manages an MMIO interface that appears in memory
> controllers, caches, IOMMU and connection points on the interconnect.
> It doesn't fit into any existing subsystem.
> 
> It would be convenient to use this subdirectory for drivers for other
> arm64 platform devices which aren't closely coupled to the architecture
> code and don't fit into any existing subsystem.
> 
> Move the existing code and maintainer entries to be under
> drivers/platform/arm64/ec. The MPAM driver will be added under
> drivers/platform/arm64/mpam.
> 
> Signed-off-by: James Morse <james.morse@....com>


> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 4bac4ea21b64..bea01d413666 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3549,15 +3549,15 @@ S:	Maintained
>  F:	arch/arm64/boot/Makefile
>  F:	scripts/make_fit.py
>  
> -ARM64 PLATFORM DRIVERS
> -M:	Hans de Goede <hansg@...nel.org>
> +ARM64 EC PLATFORM DRIVERS
> +M:	Hans de Goede <hdegoede@...hat.com>

Smells like a rebase error as Hans' email address chagned
to the kernel.org one in the 6.16 cycle.

>  M:	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
>  R:	Bryan O'Donoghue <bryan.odonoghue@...aro.org>
>  L:	platform-driver-x86@...r.kernel.org
>  S:	Maintained
>  Q:	https://patchwork.kernel.org/project/platform-driver-x86/list/
>  T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
> -F:	drivers/platform/arm64/
> +F:	drivers/platform/arm64/ec

Other than that looks sensible to me but obviously needs tags from Hans or Ilpo.

Jonathan