microblaze/irqchip: Move intc driver to irqchip

The Xilinx AXI Interrupt Controller IP block is used by the MIPS
based xilfpga platform and a few PowerPC based platforms.

Move the interrupt controller code out of arch/microblaze so that
it can be used by everyone

Tested-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

5 files changed, 7 insertions, 1 deletions

diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 86f65721e629..85885a501dce 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -27,6 +27,7 @@ config MICROBLAZE
         select HAVE_MEMBLOCK_NODE_MAP
         select HAVE_OPROFILE
         select IRQ_DOMAIN
+        select XILINX_INTC
         select MODULES_USE_ELF_RELA
         select OF
         select OF_EARLY_FLATTREE
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index f08bacaf8a95..e098381af928 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -15,7 +15,7 @@ endif
 extra-y := head.o vmlinux.lds
 
 obj-y += dma.o exceptions.o \
-        hw_exception_handler.o intc.o irq.o \
+        hw_exception_handler.o irq.o \
         platform.o process.o prom.o ptrace.o \
         reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o
 
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index bc0af3307bbf..ae96731cd2fb 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -211,6 +211,10 @@ config XTENSA_MX
         bool
         select IRQ_DOMAIN
 
+config XILINX_INTC
+        bool
+        select IRQ_DOMAIN
+
 config IRQ_CROSSBAR
         bool
         help
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index e4dbfc85abdb..0e55d94065bf 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -52,6 +52,7 @@ obj-$(CONFIG_TB10X_IRQC)		+= irq-tb10x.o
 obj-$(CONFIG_TS4800_IRQ)                += irq-ts4800.o
 obj-$(CONFIG_XTENSA)                    += irq-xtensa-pic.o
 obj-$(CONFIG_XTENSA_MX)                 += irq-xtensa-mx.o
+obj-$(CONFIG_XILINX_INTC)               += irq-xilinx-intc.o
 obj-$(CONFIG_IRQ_CROSSBAR)              += irq-crossbar.o
 obj-$(CONFIG_SOC_VF610)                 += irq-vf610-mscm-ir.o
 obj-$(CONFIG_BCM6345_L1_IRQ)            += irq-bcm6345-l1.o
diff --git a/arch/microblaze/kernel/intc.c b/drivers/irqchip/irq-xilinx-intc.c
index 90bec7d71f85..90bec7d71f85 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/drivers/irqchip/irq-xilinx-intc.c