ARM: integrator: convert to use irqchip_init

Now that versatile-fpga irqchip has IRQCHIP_DECLARE support, the interrupt
related initialization can be removed.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-integrator/integrator_ap.c

@@ -31,7 +31,7 @@
 #include <linux/clockchips.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
-#include <linux/irqchip/versatile-fpga.h>
+#include <linux/irqchip.h>
 #include <linux/mtd/physmap.h>
 #include <linux/clk.h>
 #include <linux/platform_data/clk-integrator.h>
@@ -439,15 +439,10 @@ static void __init ap_of_timer_init(void)
 	integrator_clockevent_init(rate, base, irq);
 }
 
-static const struct of_device_id fpga_irq_of_match[] __initconst = {
-	{ .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, },
-	{ /* Sentinel */ }
-};
-
 static void __init ap_init_irq_of(void)
 {
 	cm_init();
-	of_irq_init(fpga_irq_of_match);
+	irqchip_init();
 }
 
 /* For the Device Tree, add in the UART callbacks as AUXDATA */
@@ -570,7 +565,6 @@ DT_MACHINE_START(INTEGRATOR_AP_DT, "ARM Integrator/AP (Device Tree)")
 	.map_io		= ap_map_io,
 	.init_early	= ap_init_early,
 	.init_irq	= ap_init_irq_of,
-	.handle_irq	= fpga_handle_irq,
 	.init_time	= ap_of_timer_init,
 	.init_machine	= ap_init_of,
 	.restart	= integrator_restart,

arch/arm/mach-integrator/integrator_cp.c

@@ -20,7 +20,7 @@
 #include <linux/amba/clcd.h>
 #include <linux/amba/mmci.h>
 #include <linux/io.h>
-#include <linux/irqchip/versatile-fpga.h>
+#include <linux/irqchip.h>
 #include <linux/gfp.h>
 #include <linux/mtd/physmap.h>
 #include <linux/of_irq.h>
@@ -235,15 +235,10 @@ static void __init intcp_init_early(void)
 	sched_clock_register(intcp_read_sched_clock, 32, 24000000);
 }
 
-static const struct of_device_id fpga_irq_of_match[] __initconst = {
-	{ .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, },
-	{ /* Sentinel */ }
-};
-
 static void __init intcp_init_irq_of(void)
 {
 	cm_init();
-	of_irq_init(fpga_irq_of_match);
+	irqchip_init();
 }
 
 /*
@@ -340,7 +335,6 @@ DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)")
 	.map_io		= intcp_map_io,
 	.init_early	= intcp_init_early,
 	.init_irq	= intcp_init_irq_of,
-	.handle_irq	= fpga_handle_irq,
 	.init_machine	= intcp_init_of,
 	.restart	= integrator_restart,
 	.dt_compat      = intcp_dt_board_compat,