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irqchip: versatile-fpga: Add IRQCHIP_DECLARE support

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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>
This commit is contained in:
Rob Herring 2014-05-29 16:39:43 -05:00
parent 0ba6c5d26a
commit 2920bc9abe
1 changed files with 6 additions and 1 deletions
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7
drivers/irqchip/irq-versatile-fpga.c
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@ -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 @@ int __init fpga_irq_of_init(struct device_node *node,
/* 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 @@ int __init fpga_irq_of_init(struct device_node *node,
return 0;
}
IRQCHIP_DECLARE(arm_fpga, "arm,versatile-fpga-irq", fpga_irq_of_init);
#endif