linux-kernel - Re: [PATCH 0/9] drivers: Transition to the faux device interface

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Message-ID: <Z9gxqGHS3igb5wOq@bogus>
Date: Mon, 17 Mar 2025 14:28:56 +0000
From: Sudeep Holla <sudeep.holla@....com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, Lorenzo Pieralisi <lpieralisi@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-pm@...r.kernel.org, Andre Przywara <andre.przywara@....com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Jeff Johnson <jeff.johnson@....qualcomm.com>,
	linux-crypto@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>,
	linux-efi@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	linux-rtc@...r.kernel.org, Mark Brown <broonie@...nel.org>,
	Takashi Iwai <tiwai@...e.com>, linux-sound@...r.kernel.org,
	Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Borislav Petkov <bp@...en8.de>, linux-acpi@...r.kernel.org,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH 0/9] drivers: Transition to the faux device interface

On Mon, Mar 17, 2025 at 02:01:55PM +0100, Greg Kroah-Hartman wrote:
> On Mon, Mar 17, 2025 at 10:13:12AM +0000, Sudeep Holla wrote:
> > Recently when debugging why one of the scmi platform device was not
> > showing up under /sys/devices/platform/firmware:scmi instead was
> > appearing directly under /sys/devices/platform, I noticed the new
> > faux interface /sys/devices/faux.
> > 
> > Looking through the discussion and the background, I got excited and
> > took the opportunity to clear all the platform devices under
> > /sys/devices/platform on the Arm Juno/FVP platforms that are really
> > faux devices. Only the platform devices created for the device nodes
> > from the DT remain under /sys/devices/platform after these changes.
> > 
> > All the patches are independent of each other.
> 
> That's great, but you need to send these all independently to each
> subsystem as needed.  Having it all in one series doesn't work for any
> of the maintainers of any of the subsystems.
> 

Sure I can do that. I initially had idea of creating a macro that made
all of them depend on the macro but later dropped as I wanted to check
if that is good or a bad idea. I just asked you in the thread 2/9.

> And I'm glad to see this work happening, thanks for doing that!
> 

Thanks for adding faux interface!

-- 
Regards,
Sudeep