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Thu, 12 Sep 2024 16:56:19 -0400 (EDT) From: Jiaxun Yang Subject: [PATCH v2 0/4] LoongArch, MIPS: Unify Loongson IOCSR handling Date: Thu, 12 Sep 2024 21:55:53 +0100 Message-Id: <20240912-iocsr-v2-0-e88f75b37da4@flygoat.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAFlV42YC/zXMTQ6CMBCG4auQWVsz/RPqynsYFlgLTKLUtKSBk N6dSnR27+TLs0F0gVyEa7VBcIki+amEOFVgx24aHKNnaRAoFBq8MPI2BtYIg7VWutGcQ9l+gut pOZx7W3qkOPuwHmzi3+9fqH9C4gwZWmMeUkpV7ta/1sF389n6N7Q55x1nA5a+nAAAAA== To: Huacai Chen , WANG Xuerui , "Rafael J. Wysocki" , Viresh Kumar , Thomas Gleixner , Thomas Bogendoerfer Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-mips@vger.kernel.org, kvm@vger.kernel.org, Jiaxun Yang X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2254; i=jiaxun.yang@flygoat.com; h=from:subject:message-id; bh=v6osASlTNEvnvIOnDNv0OrwDnAd9yo5Nrdl5GzUh2o4=; b=owGbwMvMwCXmXMhTe71c8zDjabUkhrTHocWNdXxqBguEZ63ZtuyfcaRy3aMs/unafV8r88R/f 5rD0CXbUcrCIMbFICumyBIioNS3ofHigusPsv7AzGFlAhnCwMUpABPx/s/IcLH7o97cilOy0hVH u24Yi7/9Xd65KMiWrWZLCn/UOaMSZob/hZ4aB5j6TfI9BFesMVprmfv2XKvTZ0XFj5dY6quXXP/ IDQA= X-Developer-Key: i=jiaxun.yang@flygoat.com; a=openpgp; fpr=980379BEFEBFBF477EA04EF9C111949073FC0F67 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. No functional change so hope it's not too late for 6.12 :-) Please review. Thanks Signed-off-by: Jiaxun Yang --- Changes in v2: - Drop patch 1 - Move IOCSR probing to cpu_probe_loongson - Fix build error for CPUFREQ driver - Link to v1: https://lore.kernel.org/r/20240907-iocsr-v1-0-0c99b3334444@flygoat.com --- Jiaxun Yang (4): 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.h | 4 + arch/loongarch/include/asm/loongarch.h | 93 +---------------- arch/loongarch/kernel/cpu-probe.c | 103 ++++++++++++------- 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 | 11 +- 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 +++++++++++++++++++++ 14 files changed, 254 insertions(+), 220 deletions(-) --- base-commit: 9aaeb87ce1e966169a57f53a02ba05b30880ffb8 change-id: 20240906-iocsr-829075458511 Best regards,