irqchip: versatile-fpga: Add IRQCHIP_DECLARE support
Add support for initialization using IRQCHIP_DECLARE. This also requires
that the controller initialization set the handle_irq function pointer
itself when it is a primary controller.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 3ae2bb8..8e0bb56 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -14,6 +14,8 @@
#include <asm/exception.h>
#include <asm/mach/irq.h>
+#include "irqchip.h"
+
#define IRQ_STATUS 0x00
#define IRQ_RAW_STATUS 0x04
#define IRQ_ENABLE_SET 0x08
@@ -201,8 +203,10 @@
/* Some chips are cascaded from a parent IRQ */
parent_irq = irq_of_parse_and_map(node, 0);
- if (!parent_irq)
+ if (!parent_irq) {
+ set_handle_irq(fpga_handle_irq);
parent_irq = -1;
+ }
fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node);
@@ -211,4 +215,5 @@
return 0;
}
+IRQCHIP_DECLARE(arm_fpga, "arm,versatile-fpga-irq", fpga_irq_of_init);
#endif