From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 0/4 V3] irqchip: gic: Introduce ARM GICv2m MSI(-X) support Date: Wed, 9 Jul 2014 18:05:00 -0500 Message-ID: <1404947104-21345-1-git-send-email-suravee.suthikulpanit@amd.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-pci-owner@vger.kernel.org To: marc.zyngier@arm.com, mark.rutland@arm.com, jason@lakedaemon.net Cc: pawel.moll@arm.com, Catalin.Marinas@arm.com, Will.Deacon@arm.com, tglx@linutronix.de, Harish.Kasiviswanathan@amd.com, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, Suravee Suthikulpanit List-Id: devicetree@vger.kernel.org From: Suravee Suthikulpanit This patch set introduces support for MSI(-X) in GICv2m specification, which is implemented in some variation of GIC400. This depends on and has been tested with the V7 of"Add support for PCI in AArch64" (https://lkml.org/lkml/2014/3/14/320). Changes in V3: * Rebase to git://git.infradead.org/users/jcooper/linux.git irqchip/gic (per Jason Cooper request) * Misc fix/clean up per Mark Rutland comments * Minor Clean up in the driver/irqchip/irq-gic-v2m.c: alloc_msi_irqs() * Patch 4 is new to the series: * Add ARM64-specific version arch_setup_msi_irqs() to allow support for Multiple MSI. * Add support for Multiple MSI for GICv2m. Suravee Suthikulpanit (4): irqchip: gic: Add binding probe for ARM GIC400 irqchip: gic: Restructuring ARM GIC code irqchip: gic: Add supports for ARM GICv2m MSI(-X) irqchip: gicv2m: Add support for multiple MSI for ARM64 GICv2m Documentation/devicetree/bindings/arm/gic.txt | 20 +- arch/arm64/Kconfig | 1 + arch/arm64/include/asm/msi.h | 15 ++ arch/arm64/kernel/Makefile | 1 + arch/arm64/kernel/msi.c | 57 +++++ drivers/irqchip/Kconfig | 7 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-gic-v2m.c | 331 ++++++++++++++++++++++++++ drivers/irqchip/irq-gic-v2m.h | 13 + drivers/irqchip/irq-gic.c | 90 ++++--- drivers/irqchip/irq-gic.h | 67 ++++++ 11 files changed, 562 insertions(+), 41 deletions(-) create mode 100644 arch/arm64/include/asm/msi.h create mode 100644 arch/arm64/kernel/msi.c create mode 100644 drivers/irqchip/irq-gic-v2m.c create mode 100644 drivers/irqchip/irq-gic-v2m.h create mode 100644 drivers/irqchip/irq-gic.h -- 1.9.0