linux-kernel - Re: [PATCH 1/2] dt-bindings: i3c: dw: Add property to select IBI ops

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Message-ID: <CAMmmMt1fi4KryMPVv=YRd2WPt0RZsjyaGm4PE6WGzzAOLyEDuA@mail.gmail.com>
Date: Thu, 27 Jun 2024 08:53:15 +0530
From: "Aniket ." <aniketmaurya@...gle.com>
To: Jeremy Kerr <jk@...econstruct.com.au>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
	Alexandre Belloni <alexandre.belloni@...tlin.com>, Joel Stanley <joel@....id.au>, 
	Billy Tsai <billy_tsai@...eedtech.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, linux-i3c@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: i3c: dw: Add property to select IBI ops

Hi Jeremy,

> Does that mean that *all* existing implementations of this design will
> have IBI support? Changing this in the pre-existing driver will be
> asserting that.

Yeah, I checked with Synopsys. All the implementations of dw core have
basic(without payload) IBI support in master mode.

> > Shall I remove the ibi_capable property from the dw_i3c_master
> > struct?
>
> Only if you can ensure it's not going to break the driver for existing
> hardware deployments.

Since all the implementations have basic support, I believe it should be fine.
Sending a patch to fix this.

Thanks,
Aniket.