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Commit 44266215 authored by David S. Miller's avatar David S. Miller
Browse files

sparc: Implement irq_of_parse_and_map() and irq_dispose_mapping(). 



This allows more OF layer code to be shared between powerpc and
sparc.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2481d766

arch/sparc/include/asm/prom.h

+8 −0
Original line number Diff line number Diff line
@@ -96,6 +96,14 @@ static inline void of_node_put(struct device_node *node) 
{

}



/* These routines are here to provide compatibility with how powerpc

 * handles IRQ mapping for OF device nodes.  We precompute and permanently

 * register them in the of_device objects, whereas powerpc computes them

 * on request.

 */

extern int irq_of_parse_and_map(struct device_node *node, int index);

#define irq_dispose_mapping(irq) do { } while (0)



/*

 * NB:  This is here while we transition from using asm/prom.h

 * to linux/of.h

arch/sparc/kernel/of_device.c

+11 −0
Original line number Diff line number Diff line
@@ -29,6 +29,17 @@ struct of_device *of_find_device_by_node(struct device_node *dp) 
}

EXPORT_SYMBOL(of_find_device_by_node);



int irq_of_parse_and_map(struct device_node *node, int index)

{

	struct of_device *op = of_find_device_by_node(node);



	if (!op || index >= op->num_irqs)

		return 0xffffffff;



	return op->irqs[index];

}

EXPORT_SYMBOL(irq_of_parse_and_map);



#ifdef CONFIG_PCI

struct bus_type ebus_bus_type;

EXPORT_SYMBOL(ebus_bus_type);

arch/sparc64/kernel/of_device.c

+11 −0
Original line number Diff line number Diff line
@@ -55,6 +55,17 @@ struct of_device *of_find_device_by_node(struct device_node *dp) 
}

EXPORT_SYMBOL(of_find_device_by_node);



int irq_of_parse_and_map(struct device_node *node, int index)

{

	struct of_device *op = of_find_device_by_node(node);



	if (!op || index >= op->num_irqs)

		return 0xffffffff;



	return op->irqs[index];

}

EXPORT_SYMBOL(irq_of_parse_and_map);



#ifdef CONFIG_PCI

struct bus_type ebus_bus_type;

EXPORT_SYMBOL(ebus_bus_type);