linux-kernel - Re: [PATCH 0/4] Add tooling to disable debugfs on OMAP based systems

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Message-ID: <5a557c17-94a3-4c0b-88e8-1767fcd602f1@sirena.org.uk>
Date: Mon, 1 Dec 2025 12:27:35 +0000
From: Mark Brown <broonie@...nel.org>
To: Andreas Kemnade <andreas@...nade.info>
Cc: Richard Weinberger <richard@....at>, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
	arnd@...db.de, lee@...nel.org, dakr@...nel.org, rafael@...nel.org,
	gregkh@...uxfoundation.org, tony@...mide.com, rogerq@...nel.org,
	khilman@...libre.com, aaro.koskinen@....fi, conor+dt@...nel.org,
	krzk+dt@...nel.org, robh@...nel.org
Subject: Re: [PATCH 0/4] Add tooling to disable debugfs on OMAP based systems

On Sat, Nov 29, 2025 at 03:36:44PM +0100, Andreas Kemnade wrote:

> it is usually not about individual registers, but about accessing 
> unpowered devices/modules,

If that's the case the regmap should be in cache only mode while the
device is unpowered.

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