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

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Message-Id: <20250317-plat2faux_dev-v1-0-5fe67c085ad5@arm.com>
Date: Mon, 17 Mar 2025 10:13:12 +0000
From: Sudeep Holla <sudeep.holla@....com>
To: linux-kernel@...r.kernel.org
Cc: Sudeep Holla <sudeep.holla@....com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.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: [PATCH 0/9] drivers: Transition to the faux device interface

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.

Signed-off-by: Sudeep Holla <sudeep.holla@....com>
---
Greg Kroah-Hartman (1):
      regulator: dummy: convert to use the faux device interface

Sudeep Holla (8):
      cpuidle: psci: Transition to the faux device interface
      hwrng: arm-smccc-trng - transition to the faux device interface
      efi: Remove redundant creation of the "efivars" platform device
      rtc: efi: Transition to the faux device interface
      virt: efi_secret: Transition to the faux device interface
      ASoC: soc-utils: Transition to the faux device interface
      net: phy: fixed_phy: transition to the faux device interface
      ACPI: APEI: EINJ: Transition to the faux device interface

 drivers/acpi/apei/einj-core.c             | 32 +++++++++---------------
 drivers/char/hw_random/arm_smccc_trng.c   | 40 +++++++++++++++++++++---------
 drivers/cpuidle/cpuidle-psci.c            | 26 +++++++-------------
 drivers/firmware/efi/efi.c                | 10 --------
 drivers/firmware/smccc/smccc.c            | 21 ----------------
 drivers/net/phy/fixed_phy.c               | 16 ++++++------
 drivers/regulator/dummy.c                 | 37 +++++++---------------------
 drivers/rtc/rtc-efi.c                     | 31 ++++++++++++++++-------
 drivers/virt/coco/efi_secret/efi_secret.c | 41 ++++++++++++++++++-------------
 sound/soc/soc-utils.c                     | 34 +++++++++----------------
 10 files changed, 124 insertions(+), 164 deletions(-)
---
base-commit: 80e54e84911a923c40d7bee33a34c1b4be148d7a
change-id: 20250315-plat2faux_dev-8c28b35be96a
-- 
Regards,
Sudeep