linux-kernel - Re: [PATCH 1/4] dt-bindings: Document new common property: has-inaccessible-regs

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Message-ID: <bcfc82fd-3aad-47fa-8477-abb5245758f0@sirena.org.uk>
Date: Mon, 1 Dec 2025 12:19:10 +0000
From: Mark Brown <broonie@...nel.org>
To: Richard Weinberger <richard@....at>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	devicetree <devicetree@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>, Lee Jones <lee@...nel.org>,
	dakr <dakr@...nel.org>, "Rafael J. Wysocki" <rafael@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	tony <tony@...mide.com>, rogerq <rogerq@...nel.org>,
	khilman <khilman@...libre.com>,
	Andreas Kemnade <andreas@...nade.info>,
	aaro koskinen <aaro.koskinen@....fi>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, robh <robh@...nel.org>
Subject: Re: [PATCH 1/4] dt-bindings: Document new common property:
 has-inaccessible-regs

On Sat, Nov 29, 2025 at 04:33:38PM +0100, Richard Weinberger wrote:
> ----- Ursprüngliche Mail -----

> > Binding cannot help here at all.

> The driver does not expose them via sysfs, it's the regmap framework via debugfs.

regmap exposes the registers that the driver told it about, it won't
expose anything without the driver telling it about the register.

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