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[209.132.180.67]) by mx.google.com with ESMTP id r1si10230390pji.60.2019.09.08.03.32.25; Sun, 08 Sep 2019 03:32:41 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391387AbfIGDIm (ORCPT + 99 others); Fri, 6 Sep 2019 23:08:42 -0400 Received: from mail-io1-f67.google.com ([209.85.166.67]:41289 "EHLO mail-io1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726829AbfIGDIl (ORCPT ); Fri, 6 Sep 2019 23:08:41 -0400 Received: by mail-io1-f67.google.com with SMTP id r26so17242199ioh.8; Fri, 06 Sep 2019 20:08:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=TZsD6uY77tfPQwAlxJa+3uUFOfW3AjWjFmQpldiRt2Q=; b=QMCJu7lUoO3Um1y+5hJDbj4iN811NFVwF6TBuxvRuYDMjl/TsZk7s/igSf93gU26qP ISAF6Xu/75D59wGcO8/DlLP8vzGLaYh2CbAXZ7X5dzX6Vo9l2/YpzjATuI6OpeoZeZdQ cETShH09OD13pF/mS0TP7GrWFOiaL2yDc4ek9sTwLOJiXQyYb5KYR+mCdAJ0lHXzIk6/ CbRZzGA0K5XSDX4YAA65JJmoVcCuZ4CIuL/23dnrjd8p2x1aZkNkzLBSwsFOObQdWEnC HnDHV2cfT1O1OA7O07S6JawL8FKzLS26AzW1jkO3iacgDb4bIchNeztv8bic+yK4tgNC vMLg== X-Gm-Message-State: APjAAAXE01IsrM/fud9UlLkB5tEUSa5Rly5VLZhLSVYxIf4XzysXNdaL rg1Ph2ETJi2auT1MxIvAi6OWzGfty7PUHZV3gJE= X-Received: by 2002:a6b:2b07:: with SMTP id r7mr10860628ior.173.1567825720553; Fri, 06 Sep 2019 20:08:40 -0700 (PDT) MIME-Version: 1.0 References: <20190827085302.5197-1-jiaxun.yang@flygoat.com> <20190905144316.12527-1-jiaxun.yang@flygoat.com> In-Reply-To: <20190905144316.12527-1-jiaxun.yang@flygoat.com> From: Huacai Chen Date: Sat, 7 Sep 2019 11:13:14 +0800 Message-ID: Subject: Re: [PATCH v2 00/19] Modernize Loongson64 Machine To: Jiaxun Yang Cc: "open list:MIPS" , Paul Burton , Thomas Gleixner , Jason Cooper , Marc Zyngier , LKML , Rob Herring , Mark Rutland , devicetree@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Jiaxun, All of us think that Loongson Technology Co. Ltd's naming is very confusing. They call both their processors and their bridge-chipset as "Loongson", so Loongson-3A is processor, Loongson-7A is bridge, and Loongson-2H can be both processor and bridge..... We all think this is a bad thing, so let's do something in our code to make life easier: 1, Don't use raw "ls" to stand for loongson anywhere. 2, To describe CPU please use "loongson". E.g., Loongson, Loongson-3, Loongson-2H, Loongson-3A, Loongson-3B, Loongson-3A4000. 3, To describe bridge (chipset, or PCH) please use LS2H, LS2K and LS7A, and we can use LS2X to cover them all in some drivers. 4, In file names use their lower-case names. E.g., loongson, loongson3, ls2h, ls7a. Don't be afraid of long names. Long names is harmless, but disordered abbreviation is a nightmare. Huacai On Thu, Sep 5, 2019 at 10:44 PM Jiaxun Yang wrote: > > v1: > - dt-bindings fixup according to Rob's comments > - irqchip fixup according to Marc's comments > - ls3-iointc: Make Core&IP map per-IRQ > - Regenerate kconfigs > - Typo & style improvements > > v2: > - dt-bindings: Fix IOINTC, collect Rob's review tag > - dtbs: Drop CPU Node, merge different ways according to Huacai and Paul's comments > > Jiaxun Yang (19): > MIPS: Loongson64: Rename CPU TYPES > MIPS: Loongson64: separate loongson2ef/loongson64 code > MAINTAINERS: Fix entries for new loongson64 path > irqchip: Export generic chip domain map/unmap functions > irqchip: Add driver for Loongson-3 I/O interrupt controller > dt-bindings: interrupt-controller: Add Loongson-3 IOINTC > irqchip: Add driver for Loongson-3 HyperTransport interrupt controller > dt-bindings: interrupt-controller: Add Loongson-3 HTINTC > irqchip: i8259: Add plat-poll support > irqchip: mips-cpu: Convert to simple domain > MIPS: Loongson64: Drop legacy IRQ code > dt-bindings: mips: Add loongson boards > dt-bindings: Document loongson vendor-prefix > MIPS: Loongson64: Add generic dts > MIPS: Loongson64: Load built-in dtbs > GPIO: loongson: Drop Loongson-3A/3B support > MIPS: Loongson: Regenerate defconfigs > MAINTAINERS: Add new pathes to LOONGSON64 ARCHITECTURE > MAINTAINERS: Add myself as maintainer of LOONGSON64 > > .../loongson,ls3-htintc.yaml | 55 ++++ > .../loongson,ls3-iointc.yaml | 79 +++++ > .../bindings/mips/loongson/devices.yaml | 39 +++ > .../devicetree/bindings/vendor-prefixes.yaml | 2 + > MAINTAINERS | 13 +- > arch/mips/Kbuild.platforms | 1 + > arch/mips/Kconfig | 83 ++++-- > arch/mips/boot/dts/Makefile | 1 + > arch/mips/boot/dts/loongson/3a-package.dtsi | 69 +++++ > arch/mips/boot/dts/loongson/3a1000_780e.dts | 10 + > arch/mips/boot/dts/loongson/3a2000_780e.dts | 10 + > arch/mips/boot/dts/loongson/3a3000_780e.dts | 10 + > arch/mips/boot/dts/loongson/3b-package.dtsi | 69 +++++ > arch/mips/boot/dts/loongson/3b1x00_780e.dts | 10 + > arch/mips/boot/dts/loongson/Makefile | 5 + > arch/mips/boot/dts/loongson/rs780e-pch.dtsi | 35 +++ > arch/mips/configs/fuloong2e_defconfig | 8 +- > arch/mips/configs/lemote2f_defconfig | 8 +- > arch/mips/configs/loongson3_defconfig | 13 +- > arch/mips/include/asm/bootinfo.h | 1 - > arch/mips/include/asm/cop2.h | 2 +- > arch/mips/include/asm/cpu-type.h | 6 +- > arch/mips/include/asm/cpu.h | 4 +- > arch/mips/include/asm/hazards.h | 2 +- > arch/mips/include/asm/io.h | 2 +- > arch/mips/include/asm/irqflags.h | 2 +- > .../mach-loongson2ef/cpu-feature-overrides.h | 45 +++ > .../cs5536/cs5536.h | 0 > .../cs5536/cs5536_mfgpt.h | 0 > .../cs5536/cs5536_pci.h | 0 > .../cs5536/cs5536_vsm.h | 0 > .../loongson2ef.h} | 31 +- > .../machine.h | 6 - > .../mc146818rtc.h | 5 +- > .../mem.h | 6 +- > arch/mips/include/asm/mach-loongson2ef/pci.h | 43 +++ > .../include/asm/mach-loongson2ef/spaces.h | 10 + > .../asm/mach-loongson64/builtin_dtbs.h | 16 + > .../mach-loongson64/cpu-feature-overrides.h | 8 +- > arch/mips/include/asm/mach-loongson64/irq.h | 6 +- > .../asm/mach-loongson64/kernel-entry-init.h | 74 ----- > .../include/asm/mach-loongson64/loongson64.h | 50 ++++ > .../mips/include/asm/mach-loongson64/mmzone.h | 16 - > arch/mips/include/asm/mach-loongson64/pci.h | 41 +-- > .../include/asm/mach-loongson64/workarounds.h | 4 +- > arch/mips/include/asm/module.h | 8 +- > arch/mips/include/asm/processor.h | 2 +- > arch/mips/include/asm/r4kcache.h | 4 +- > arch/mips/kernel/cpu-probe.c | 14 +- > arch/mips/kernel/idle.c | 2 +- > arch/mips/kernel/perf_event_mipsxx.c | 4 +- > arch/mips/kernel/setup.c | 2 +- > arch/mips/kernel/traps.c | 2 +- > arch/mips/lib/csum_partial.S | 4 +- > arch/mips/loongson2ef/Kconfig | 93 ++++++ > arch/mips/loongson2ef/Makefile | 18 ++ > arch/mips/loongson2ef/Platform | 32 ++ > .../common/Makefile | 0 > .../common/bonito-irq.c | 2 +- > .../common/cmdline.c | 2 +- > .../common/cs5536/Makefile | 0 > .../common/cs5536/cs5536_acc.c | 0 > .../common/cs5536/cs5536_ehci.c | 0 > .../common/cs5536/cs5536_ide.c | 0 > .../common/cs5536/cs5536_isa.c | 0 > .../common/cs5536/cs5536_mfgpt.c | 0 > .../common/cs5536/cs5536_ohci.c | 0 > .../common/cs5536/cs5536_pci.c | 0 > .../common/early_printk.c | 2 +- > arch/mips/loongson2ef/common/env.c | 71 +++++ > .../{loongson64 => loongson2ef}/common/init.c | 7 +- > .../{loongson64 => loongson2ef}/common/irq.c | 2 +- > .../common/machtype.c | 3 +- > .../{loongson64 => loongson2ef}/common/mem.c | 40 +-- > .../{loongson64 => loongson2ef}/common/pci.c | 11 +- > .../common/platform.c | 0 > .../{loongson64 => loongson2ef}/common/pm.c | 2 +- > .../common/reset.c | 23 +- > .../{loongson64 => loongson2ef}/common/rtc.c | 0 > .../common/serial.c | 37 +-- > .../common/setup.c | 2 +- > .../{loongson64 => loongson2ef}/common/time.c | 2 +- > .../common/uart_base.c | 10 +- > .../fuloong-2e/Makefile | 0 > .../fuloong-2e/dma.c | 0 > .../fuloong-2e/irq.c | 2 +- > .../fuloong-2e/reset.c | 2 +- > .../lemote-2f/Makefile | 0 > .../lemote-2f/clock.c | 2 +- > .../lemote-2f/dma.c | 0 > .../lemote-2f/ec_kb3310b.c | 0 > .../lemote-2f/ec_kb3310b.h | 0 > .../lemote-2f/irq.c | 2 +- > .../lemote-2f/machtype.c | 2 +- > .../lemote-2f/pm.c | 2 +- > .../lemote-2f/reset.c | 2 +- > arch/mips/loongson64/Kconfig | 126 +------- > arch/mips/loongson64/Makefile | 23 +- > arch/mips/loongson64/Platform | 36 +-- > .../loongson64/{loongson-3 => }/acpi_init.c | 3 +- > .../loongson64/{loongson-3 => }/cop2-ex.c | 5 +- > arch/mips/loongson64/{loongson-3 => }/dma.c | 6 +- > arch/mips/loongson64/{common => }/env.c | 98 +++---- > arch/mips/loongson64/{loongson-3 => }/hpet.c | 0 > arch/mips/loongson64/irq.c | 27 ++ > arch/mips/loongson64/loongson-3/Makefile | 11 - > arch/mips/loongson64/loongson-3/irq.c | 158 ---------- > arch/mips/loongson64/{loongson-3 => }/numa.c | 4 +- > arch/mips/loongson64/pci.c | 45 +++ > .../loongson64/{loongson-3 => }/platform.c | 0 > arch/mips/loongson64/reset.c | 58 ++++ > arch/mips/loongson64/setup.c | 107 +++++++ > arch/mips/loongson64/{loongson-3 => }/smp.c | 28 +- > arch/mips/loongson64/{loongson-3 => }/smp.h | 0 > arch/mips/mm/c-r4k.c | 32 +- > arch/mips/mm/page.c | 2 +- > arch/mips/mm/tlb-r4k.c | 4 +- > arch/mips/mm/tlbex.c | 6 +- > arch/mips/oprofile/Makefile | 4 +- > arch/mips/oprofile/common.c | 4 +- > arch/mips/oprofile/op_model_loongson2.c | 2 +- > arch/mips/oprofile/op_model_loongson3.c | 2 +- > arch/mips/pci/Makefile | 2 +- > arch/mips/pci/fixup-fuloong2e.c | 2 +- > arch/mips/pci/fixup-lemote2f.c | 2 +- > arch/mips/pci/ops-loongson2.c | 2 +- > arch/mips/pci/ops-loongson3.c | 2 +- > drivers/cpufreq/loongson2_cpufreq.c | 2 +- > drivers/gpio/Kconfig | 6 +- > drivers/gpio/gpio-loongson.c | 11 +- > drivers/irqchip/Kconfig | 17 ++ > drivers/irqchip/Makefile | 2 + > drivers/irqchip/irq-i8259.c | 47 ++- > drivers/irqchip/irq-ls3-htintc.c | 147 ++++++++++ > drivers/irqchip/irq-ls3-iointc.c | 275 ++++++++++++++++++ > drivers/irqchip/irq-mips-cpu.c | 2 +- > drivers/platform/mips/cpu_hwmon.c | 2 +- > include/drm/drm_cache.h | 2 +- > include/linux/irq.h | 1 + > kernel/irq/generic-chip.c | 4 +- > 140 files changed, 1760 insertions(+), 874 deletions(-) > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-iointc.yaml > create mode 100644 Documentation/devicetree/bindings/mips/loongson/devices.yaml > create mode 100644 arch/mips/boot/dts/loongson/3a-package.dtsi > create mode 100644 arch/mips/boot/dts/loongson/3a1000_780e.dts > create mode 100644 arch/mips/boot/dts/loongson/3a2000_780e.dts > create mode 100644 arch/mips/boot/dts/loongson/3a3000_780e.dts > create mode 100644 arch/mips/boot/dts/loongson/3b-package.dtsi > create mode 100644 arch/mips/boot/dts/loongson/3b1x00_780e.dts > create mode 100644 arch/mips/boot/dts/loongson/Makefile > create mode 100644 arch/mips/boot/dts/loongson/rs780e-pch.dtsi > create mode 100644 arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536.h (100%) > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536_mfgpt.h (100%) > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536_pci.h (100%) > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536_vsm.h (100%) > rename arch/mips/include/asm/{mach-loongson64/loongson.h => mach-loongson2ef/loongson2ef.h} (91%) > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/machine.h (80%) > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/mc146818rtc.h (80%) > rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/mem.h (86%) > create mode 100644 arch/mips/include/asm/mach-loongson2ef/pci.h > create mode 100644 arch/mips/include/asm/mach-loongson2ef/spaces.h > create mode 100644 arch/mips/include/asm/mach-loongson64/builtin_dtbs.h > delete mode 100644 arch/mips/include/asm/mach-loongson64/kernel-entry-init.h > create mode 100644 arch/mips/include/asm/mach-loongson64/loongson64.h > create mode 100644 arch/mips/loongson2ef/Kconfig > create mode 100644 arch/mips/loongson2ef/Makefile > create mode 100644 arch/mips/loongson2ef/Platform > rename arch/mips/{loongson64 => loongson2ef}/common/Makefile (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/bonito-irq.c (97%) > rename arch/mips/{loongson64 => loongson2ef}/common/cmdline.c (97%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/Makefile (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_acc.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_ehci.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_ide.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_isa.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_mfgpt.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_ohci.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_pci.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/early_printk.c (97%) > create mode 100644 arch/mips/loongson2ef/common/env.c > rename arch/mips/{loongson64 => loongson2ef}/common/init.c (90%) > rename arch/mips/{loongson64 => loongson2ef}/common/irq.c (98%) > rename arch/mips/{loongson64 => loongson2ef}/common/machtype.c (94%) > rename arch/mips/{loongson64 => loongson2ef}/common/mem.c (72%) > rename arch/mips/{loongson64 => loongson2ef}/common/pci.c (89%) > rename arch/mips/{loongson64 => loongson2ef}/common/platform.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/pm.c (99%) > rename arch/mips/{loongson64 => loongson2ef}/common/reset.c (77%) > rename arch/mips/{loongson64 => loongson2ef}/common/rtc.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/common/serial.c (63%) > rename arch/mips/{loongson64 => loongson2ef}/common/setup.c (97%) > rename arch/mips/{loongson64 => loongson2ef}/common/time.c (96%) > rename arch/mips/{loongson64 => loongson2ef}/common/uart_base.c (77%) > rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/Makefile (100%) > rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/dma.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/irq.c (98%) > rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/reset.c (93%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/Makefile (100%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/clock.c (98%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/dma.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/ec_kb3310b.c (100%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/ec_kb3310b.h (100%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/irq.c (99%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/machtype.c (98%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/pm.c (99%) > rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/reset.c (99%) > rename arch/mips/loongson64/{loongson-3 => }/acpi_init.c (99%) > rename arch/mips/loongson64/{loongson-3 => }/cop2-ex.c (88%) > rename arch/mips/loongson64/{loongson-3 => }/dma.c (82%) > rename arch/mips/loongson64/{common => }/env.c (83%) > rename arch/mips/loongson64/{loongson-3 => }/hpet.c (100%) > create mode 100644 arch/mips/loongson64/irq.c > delete mode 100644 arch/mips/loongson64/loongson-3/Makefile > delete mode 100644 arch/mips/loongson64/loongson-3/irq.c > rename arch/mips/loongson64/{loongson-3 => }/numa.c (98%) > create mode 100644 arch/mips/loongson64/pci.c > rename arch/mips/loongson64/{loongson-3 => }/platform.c (100%) > create mode 100644 arch/mips/loongson64/reset.c > create mode 100644 arch/mips/loongson64/setup.c > rename arch/mips/loongson64/{loongson-3 => }/smp.c (98%) > rename arch/mips/loongson64/{loongson-3 => }/smp.h (100%) > create mode 100644 drivers/irqchip/irq-ls3-htintc.c > create mode 100644 drivers/irqchip/irq-ls3-iointc.c > > -- > 2.22.0 >