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authorStafford Horne <shorne@gmail.com>2017-10-30 21:38:35 +0900
committerStafford Horne <shorne@gmail.com>2017-11-03 14:01:13 +0900
commit9b54470afd836278a7e6f0f08194e2e2dca4b6eb (patch)
tree5471b19b526dd33b375f2ce7b129fce5f226a794 /drivers/irqchip/Makefile
parentfab8be88ac0478b0157859f74fad5088c292356b (diff)
irqchip: add initial support for ompic
IPI driver for the Open Multi-Processor Interrupt Controller (ompic) as described in the Multi-core support section of the OpenRISC 1.2 architecture specification: https://github.com/openrisc/doc/raw/master/openrisc-arch-1.2-rev0.pdf Each OpenRISC core contains a full interrupt controller which is used in the SMP architecture for interrupt balancing. This IPI device, the ompic, is the only external device required for enabling SMP on OpenRISC. Pending ops are stored in a memory bit mask which can allow multiple pending operations to be set and serviced at a time. This is mostly borrowed from the alpha IPI implementation. Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> [shorne@gmail.com: converted ops to bitmask, wrote commit message] Signed-off-by: Stafford Horne <shorne@gmail.com>
Diffstat (limited to 'drivers/irqchip/Makefile')
-rw-r--r--drivers/irqchip/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 845abc107ad5..771f8e7f46f8 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_DW_APB_ICTL) += irq-dw-apb-ictl.o
obj-$(CONFIG_METAG) += irq-metag-ext.o
obj-$(CONFIG_METAG_PERFCOUNTER_IRQS) += irq-metag.o
obj-$(CONFIG_CLPS711X_IRQCHIP) += irq-clps711x.o
+obj-$(CONFIG_OMPIC) += irq-ompic.o
obj-$(CONFIG_OR1K_PIC) += irq-or1k-pic.o
obj-$(CONFIG_ORION_IRQCHIP) += irq-orion.o
obj-$(CONFIG_OMAP_IRQCHIP) += irq-omap-intc.o