From mboxrd@z Thu Jan 1 00:00:00 1970 From: suravee.suthikulpanit@amd.com (suravee.suthikulpanit at amd.com) Date: Wed, 13 Aug 2014 10:00:39 -0500 Subject: [PATCH 0/2 V4] irqchip: gic: Introduce ARM GICv2m MSI(-X) support Message-ID: <1407942041-3291-1-git-send-email-suravee.suthikulpanit@amd.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 V4: * Rebase to git://git.infradead.org/users/jcooper/linux.git irqchip/core * Remove patch 2 from previous version * Merge patch 1 and 3 from previous version * Reworks the GICv2m initialization based on Marc Zyngier review comments. * Introduce "v2m" subnode in GIC binding * Moves the "struct msi_chip" from "struct gic_chip_data" to "struct v2m_data". Suravee Suthikulpanit (2): 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 | 32 +++ 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 | 294 ++++++++++++++++++++++++++ drivers/irqchip/irq-gic.c | 75 ++++--- drivers/irqchip/irq-gic.h | 48 +++++ 9 files changed, 500 insertions(+), 30 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.h -- 1.9.0