linux-kernel - Re: [PATCH 1/5] dt-bindings: arm: keystone: add ti,j7200-sci compatible

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Message-ID: <20231129-crawling-gaming-76077ed03c57@spud>
Date:   Wed, 29 Nov 2023 15:38:04 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Thomas Richard <thomas.richard@...tlin.com>
Cc:     Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
        gregory.clement@...tlin.com, u-kumar1@...com
Subject: Re: [PATCH 1/5] dt-bindings: arm: keystone: add ti,j7200-sci
 compatible

On Wed, Nov 29, 2023 at 03:34:20PM +0000, Conor Dooley wrote:
> On Wed, Nov 29, 2023 at 04:31:17PM +0100, Thomas Richard wrote:
> > On j7200, during suspend to ram the soc is powered-off.
> > At resume requested irqs shall be restored which is a different behavior
> > from other platforms.
> > 
> > Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
> 
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Un-Acked. Your dts patch contradicts this one.

Is the programming model compatible with the existing devices? To be
compatible, the existing device only need to support a compatible subset
of behaviours.
If so, this patch is wrong. If not, then the dts one is.

Thanks,
Conor.

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