From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hanjun Guo Subject: [PATCH 00/11] Add self-probe infrastructure and stacked irqdomain support for ACPI based GICv2/3 init Date: Mon, 18 May 2015 20:59:10 +0800 Message-ID: <1431953961-22706-1-git-send-email-hanjun.guo@linaro.org> Return-path: Received: from mail-pd0-f181.google.com ([209.85.192.181]:35048 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751143AbbERM7o (ORCPT ); Mon, 18 May 2015 08:59:44 -0400 Received: by pdea3 with SMTP id a3so147682213pde.2 for ; Mon, 18 May 2015 05:59:44 -0700 (PDT) Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Marc Zyngier , Jason Cooper , Will Deacon , Catalin Marinas , "Rafael J. Wysocki" Cc: Jiang Liu , Lorenzo Pieralisi , Arnd Bergmann , Tomasz Nowicki , Grant Likely , Thomas Gleixner , Olof Johansson , linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, Hanjun Guo This patch set introduce self-probe infrastructure to init IRQ controllers and stacked irqdomain support for ACPI based GICv2/3 init. The self-probe infrastructure for ACPI GIC init is similar as IRQCHIP_DECLARE() and based on the GIC version support in ACPI MADT table. We introduce acpi_irq_domain for GICv2/3 core domain to support stacked irqdomain, and pass the gsi (global system interrupt) as the agument (void *arg) for gic_irq_domain_alloc(), then we can alloc virqs via acpi_register_gsi() with stacked irqdomain. In order to make ACPI related GIC init code slef-contained, I consolidated all the GIC init code into drivers/irqchip/irq-gic-acpi.c. update from RFC version: - Consolidate all the GIC init code into drivers/irqchip/irq-gic-acpi.c Hanjun Guo (8): irqchip / GIC: Add GIC version support in ACPI MADT irqchip / GIC / ACPI: Use IRQCHIP_ACPI_DECLARE to simplify GICv2 init code irqchip / gic: Add stacked irqdomain support for ACPI based GICv2 init ACPI / gsi: Add gsi_mutex to synchronize acpi_register_gsi()/acpi_unregister_gsi() irqchip / GICv3: Add ACPI support for GICv3+ initialization irqchip / GICv3: Add stacked irqdomain support for ACPI based init irqchip / GICv2 / ACPI: Consolidate GICv2 ACPI related init code irqchip / GICv3 / ACPI: Consolidate GICv3 ACPI related init code Tomasz Nowicki (3): ACPICA: Introduce GIC version for arm based system ACPI / irqchip: Add self-probe infrastructure to initialize IRQ controller irqchip / GICv3: Refactor gic_of_init() for GICv3 driver arch/arm64/Kconfig | 1 + arch/arm64/include/asm/irq.h | 13 -- arch/arm64/kernel/acpi.c | 25 --- drivers/acpi/Makefile | 1 + drivers/acpi/gsi.c | 41 +++-- drivers/acpi/irq.c | 40 +++++ drivers/irqchip/Kconfig | 3 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-gic-acpi.c | 318 +++++++++++++++++++++++++++++++++++ drivers/irqchip/irq-gic-v3.c | 149 +++++++++------- drivers/irqchip/irq-gic.c | 129 ++------------ drivers/irqchip/irqchip.h | 12 ++ include/acpi/actbl1.h | 17 +- include/asm-generic/vmlinux.lds.h | 13 ++ include/linux/acpi.h | 14 ++ include/linux/acpi_irq.h | 4 +- include/linux/irqchip/arm-gic-acpi.h | 13 +- include/linux/irqchip/arm-gic-v3.h | 10 ++ include/linux/mod_devicetable.h | 7 + 19 files changed, 577 insertions(+), 234 deletions(-) create mode 100644 drivers/acpi/irq.c create mode 100644 drivers/irqchip/irq-gic-acpi.c -- 1.9.1