linux-kernel - [PATCH 0/5] LoongArch, MIPS: Unify Loongson IOCSR handling

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Message-Id: <20240907-iocsr-v1-0-0c99b3334444@flygoat.com>
Date: Sat, 07 Sep 2024 11:17:02 +0100
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Viresh Kumar <viresh.kumar@...aro.org>, 
 Thomas Gleixner <tglx@...utronix.de>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 linux-pm@...r.kernel.org, linux-mips@...r.kernel.org, kvm@...r.kernel.org, 
 Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH 0/5] LoongArch, MIPS: Unify Loongson IOCSR handling

Hi folks,

This series unfied LoongArch and MIPS's IOCSR functions and
macros so they will expose same interface to arch-indenpendent
drivers.

This can reduce code deuplication, and also help my unifed IPI driver
and MIPS extio driver effort.

This is touching many sub-systems in once so might be hard to merge.

Huacai, can you apply first three patch via loongarch-next tree.
For last two patch maybe better merge them via a second PR after
all subsystem PRs merged.

Please review.
Thanks

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
Jiaxun Yang (5):
      LoongArch: Rename cpu_has_csr as cpu_has_iocsr
      LoongArch: Probe more CPU features from CPUCFG
      LoongArch: cpu-probe: Move IOCSR probing out of cpu_probe_common
      LoongArch: Extract IOCSR definitions to standalone header
      MIPS: Loongson64: Use shared IOCSR header

 MAINTAINERS                                        |   1 +
 arch/loongarch/include/asm/cpu-features.h          |   2 +-
 arch/loongarch/include/asm/cpu.h                   |   4 +-
 arch/loongarch/include/asm/loongarch.h             |  90 ----------------
 arch/loongarch/kernel/cpu-probe.c                  | 111 ++++++++++++--------
 arch/loongarch/kernel/relocate_kernel.S            |   5 +-
 arch/loongarch/kernel/smp.c                        |  23 +++--
 .../include/asm/mach-loongson64/loongson_regs.h    |  58 +++--------
 arch/mips/kvm/vz.c                                 |   2 +-
 arch/mips/loongson64/smp.c                         |  44 ++++----
 drivers/cpufreq/loongson3_cpufreq.c                |  10 +-
 drivers/irqchip/irq-loongarch-avec.c               |   5 +-
 drivers/irqchip/irq-loongson-eiointc.c             |   5 +-
 drivers/platform/mips/cpu_hwmon.c                  |   7 +-
 include/linux/loongson/iocsr.h                     | 113 +++++++++++++++++++++
 15 files changed, 256 insertions(+), 224 deletions(-)
---
base-commit: 9aaeb87ce1e966169a57f53a02ba05b30880ffb8
change-id: 20240906-iocsr-829075458511

Best regards,
-- 
Jiaxun Yang <jiaxun.yang@...goat.com>