linux-kernel - [PATCH v2 0/9] char: misc: Various cleanup for miscdevice

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Message-Id: <20250701-rfc_miscdev-v2-0-3eb22bf533be@oss.qualcomm.com>
Date: Tue, 01 Jul 2025 23:24:38 +0800
From: Zijun Hu <zijun_hu@...oud.com>
To: Arnd Bergmann <arnd@...db.de>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>, 
 Rudolf Marek <r.marek@...embler.cz>, 
 Wim Van Sebroeck <wim@...ux-watchdog.org>, 
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, 
 Helge Deller <deller@....de>, "David S. Miller" <davem@...emloft.net>, 
 Andreas Larsson <andreas@...sler.com>
Cc: Thadeu Lima de Souza Cascardo <cascardo@...lia.com>, 
 Zijun Hu <zijun_hu@...oud.com>, linux-kernel@...r.kernel.org, 
 linux-hwmon@...r.kernel.org, linux-watchdog@...r.kernel.org, 
 linux-parisc@...r.kernel.org, sparclinux@...r.kernel.org, 
 Zijun Hu <zijun.hu@....qualcomm.com>
Subject: [PATCH v2 0/9] char: misc: Various cleanup for miscdevice

This patch series is to do cleanup for:

- Miscdevice APIs
- Miscdevice kunit test cases
- Drivers which use miscdevice APIs

Signed-off-by: Zijun Hu <zijun.hu@....qualcomm.com>
---
Previous discussion link:
https://lore.kernel.org/all/20250620-rfc_miscdev-v1-1-fda25d502a37@oss.qualcomm.com

---
Zijun Hu (9):
      char: misc: Move drivers/misc/misc_minor_kunit.c to drivers/char/
      char: misc: Adapt and add test cases for simple minor space division
      char: misc: Disallow registering miscdevice whose minor > MISC_DYNAMIC_MINOR
      char: misc: Add a reentry test case for dynamic minor request
      char: misc: Make registering dynamic device reentry
      char: misc: Does not request module for miscdevice with dynamic minor
      char: misc: Allocate 4 more fixed minors for watchdog
      char: misc: Define fixed minor EISA_EEPROM_MINOR in linux/miscdevice.h
      sparc: kernel: apc: Remove macro APC_MINOR defination

 arch/sparc/kernel/apc.c                   |  3 +-
 drivers/char/Makefile                     |  1 +
 drivers/char/misc.c                       | 16 +++++-
 drivers/{misc => char}/misc_minor_kunit.c | 95 +++++++++++++++++++++----------
 drivers/hwmon/fschmd.c                    |  3 +-
 drivers/hwmon/w83793.c                    |  3 +-
 drivers/misc/Makefile                     |  1 -
 drivers/parisc/eisa_eeprom.c              |  2 -
 drivers/watchdog/cpwd.c                   |  6 +-
 include/linux/miscdevice.h                | 13 +++++
 10 files changed, 100 insertions(+), 43 deletions(-)
---
base-commit: 626e89412dfb88766d90d842af4d9ec432d8526f
change-id: 20250701-rfc_miscdev-35dd3310c7c0

Best regards,
-- 
Zijun Hu <zijun.hu@....qualcomm.com>