linux-kernel - Re: [PATCH v2 1/2] arm: dts: ti: omap: Drop unnecessary or unused properties

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Message-ID: <20250914222348.GA2080538-robh@kernel.org>
Date: Sun, 14 Sep 2025 17:23:48 -0500
From: Rob Herring <robh@...nel.org>
To: Charan Pedumuru <charan.pedumuru@...il.com>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Barker <paul.barker@...cloud.com>,
	Marc Murphy <marc.murphy@...cloud.com>,
	Tony Lindgren <tony@...mide.com>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org
Subject: Re: [PATCH v2 1/2] arm: dts: ti: omap: Drop unnecessary or unused
 properties

On Sun, Sep 14, 2025 at 12:19:15AM +0530, Charan Pedumuru wrote:
> 
> 
> On 09-09-2025 12:50, Krzysztof Kozlowski wrote:
> > On Mon, Sep 08, 2025 at 04:17:12PM +0000, Charan Pedumuru wrote:
> >> Remove unnecessary properties like ti,needs-special-reset,
> >> ti,needs-special-hs-handling and cap-mmc-dual-data-rate from the DTS
> >> files as there is no user of them.
> > 
> > No user? That's not true:
> > 
> > git grep ti,needs-special-reset
> 
> Should I remove ti,needs-special-reset property for the compatibles 
> "ti,am335-sdhci" and "ti,am437-sdhci" instead of removing for all mmc 
> nodes? ti,needs-special-hs-handling and cap-mmc-dual-data-rate were 
> defined for board specific, so these two properties should be defined 
> in the YAML file to resolve dtb_check errors or can I remove those 
> properties for those boards too?

If those 2 compatibles don't use the omap_hsmmc driver then, yes I think 
you can remove the properties from those nodes. Otherwise, shrug. Ask 
the TI folks if you can't figure it out.

Rob