linux-kernel - Re: [PATCH 1/2] dt-bindings: sram: Document reg-io-width property

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: <20240812165519.GA1260568-robh@kernel.org>
Date: Mon, 12 Aug 2024 10:55:19 -0600
From: Rob Herring <robh@...nel.org>
To: Florian Fainelli <florian.fainelli@...adcom.com>
Cc: linux-arm-kernel@...ts.infradead.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sudeep Holla <sudeep.holla@....com>,
	Cristian Marussi <cristian.marussi@....com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>, arm-scmi@...r.kernel.org,
	james.quinlan@...adcom.com, justin.chen@...adcom.com,
	kapil.hali@...adcom.com, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH 1/2] dt-bindings: sram: Document reg-io-width property

On Sat, Aug 10, 2024 at 02:46:20PM -0700, Florian Fainelli wrote:
> Some SRAMs need to be accessed with a specific access width, define
> the 'reg-io-width' property specifying such access sizes.

IMO, those SRAMs should have a specific compatible. That restriction 
makes them less usable.

OTOH, it is a standard property. Shrug.

> 
> Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
> ---
>  Documentation/devicetree/bindings/sram/sram.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml
> index 0922d1f71ba8..18e42fb36846 100644
> --- a/Documentation/devicetree/bindings/sram/sram.yaml
> +++ b/Documentation/devicetree/bindings/sram/sram.yaml
> @@ -101,6 +101,12 @@ patternProperties:
>            IO mem address range, relative to the SRAM range.
>          maxItems: 1
>  
> +      reg-io-width:
> +        description:
> +          The size (in bytse) of the IO accesses that should be performed on the
> +          SRAM.
> +        enum: [1, 2, 4, 8]
> +
>        pool:
>          description:
>            Indicates that the particular reserved SRAM area is addressable
> -- 
> 2.25.1
>