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From: Heiner Kallweit <hkall@kernel.org>
To: "Thomas Weißschuh" <linux@weissschuh.net>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Leon Romanovsky" <leon@kernel.org>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>
Cc: driver-core@lists.linux.dev,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-rdma@vger.kernel.org, linux-rtc@vger.kernel.org
Subject: [PATCH RFC 00/10] driver core: constify groups arrays in several structs
Date: Tue, 17 Feb 2026 23:24:26 +0100	[thread overview]
Message-ID: <5d0951ec-42c9-453f-9966-ecca593c4153@kernel.org> (raw)

This series constifies the attribute group groups arrays in a number
of structs, plus some preparation work. This allows to assign constant
arrays, w/o "discards const qualifier" compiler warning.
This is a step towards to goal to e.g. create constant arrays in macro
__ATTRIBUTE_GROUPS().

There may be drivers not covered by my test scenarios which conflict
with this series. Therefore I send it as RFC for now.
Hopefully some CI checking this series provides additional hints.

Heiner Kallweit (10):
  IB/core: Prepare for immutable device groups
  rtc: prepare for struct device member groups becoming a constant array
  sysfs: constify group arrays in function arguments
  driver: core: constify groups array argument in device_add_groups and
    device_remove_groups
  driver core: make struct device member groups a constant array
  driver core: make struct device_type member groups a constant array
  driver core: make struct bus_type groups members constant arrays
  driver core: make struct class groups members constant arrays
  driver core: make struct device_driver groups members contact arrays
  kobject: make struct kobject member default_groups a constant array

 drivers/base/base.h              |  6 ++++--
 drivers/base/core.c              |  5 +++--
 drivers/base/driver.c            |  4 ++--
 drivers/infiniband/core/device.c |  9 ++++-----
 drivers/rtc/sysfs.c              |  8 ++++----
 fs/sysfs/group.c                 | 10 +++++-----
 include/linux/device.h           |  8 ++++----
 include/linux/device/bus.h       |  6 +++---
 include/linux/device/class.h     |  4 ++--
 include/linux/device/driver.h    |  4 ++--
 include/linux/kobject.h          |  2 +-
 include/linux/sysfs.h            | 16 ++++++++--------
 12 files changed, 42 insertions(+), 40 deletions(-)

-- 
2.53.0


             reply	other threads:[~2026-02-17 22:24 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-17 22:24 Heiner Kallweit [this message]
2026-02-17 22:25 ` [PATCH RFC 01/10] IB/core: Prepare for immutable device groups Heiner Kallweit
2026-02-18  8:54   ` Leon Romanovsky
2026-02-17 22:26 ` [PATCH RFC 02/10] rtc: prepare for struct device member groups becoming a constant array Heiner Kallweit
2026-02-19  0:53   ` yanjun.zhu
2026-02-20 14:38     ` Alexandre Belloni
2026-02-17 22:27 ` [PATCH RFC 03/10] sysfs: constify group arrays in function arguments Heiner Kallweit
2026-02-17 22:28 ` [PATCH RFC 04/10] driver: core: constify groups array argument in device_add_groups and device_remove_groups Heiner Kallweit
2026-02-17 22:28 ` [PATCH RFC 05/10] driver core: make struct device member groups a constant array Heiner Kallweit
2026-02-17 22:29 ` [PATCH RFC 06/10] driver core: make struct device_type " Heiner Kallweit
2026-02-17 22:30 ` [PATCH RFC 07/10] driver core: make struct bus_type groups members constant arrays Heiner Kallweit
2026-02-17 22:30 ` [PATCH RFC 08/10] driver core: make struct class " Heiner Kallweit
2026-02-17 22:31 ` [PATCH RFC 09/10] driver core: make struct device_driver groups members contact arrays Heiner Kallweit
2026-02-17 22:32 ` [PATCH RFC 10/10] kobject: make struct kobject member default_groups a constant array Heiner Kallweit
2026-02-21 13:27   ` Thomas Weißschuh
2026-02-21 14:04     ` Heiner Kallweit

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