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dm: x86: Add a common PIRQ init function

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Most x86 interrupt drivers will want to use the standard PIRQ routing and
table setup. Put this code in a common function so it can be used by those
drivers that want it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2016-01-19 21:32:27 -07:00 committed by Bin Meng
parent 12d6929e1f
commit d3b884b294
2 changed files with 13 additions and 1 deletions
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7
arch/x86/cpu/irq.c
View file

@ -231,7 +231,7 @@ static int create_pirq_routing_table(void)
return 0; return 0;
} }
int irq_router_probe(struct udevice *dev) int irq_router_common_init(struct udevice *dev)
{ {
int ret; int ret;
@ -249,6 +249,11 @@ int irq_router_probe(struct udevice *dev)
return 0; return 0;
} }
int irq_router_probe(struct udevice *dev)
{
return irq_router_common_init(dev);
}
u32 write_pirq_routing_table(u32 addr) u32 write_pirq_routing_table(u32 addr)
{ {
if (!pirq_routing_table) if (!pirq_routing_table)

7
arch/x86/include/asm/irq.h
View file

@ -65,4 +65,11 @@ struct pirq_routing {
*/ */
void cpu_irq_init(void); void cpu_irq_init(void);
/**
* irq_router_common_init() - Perform common x86 interrupt init
*
* This creates the PIRQ routing table and routes the IRQs
*/
int irq_router_common_init(struct udevice *dev);
#endif /* _ARCH_IRQ_H_ */ #endif /* _ARCH_IRQ_H_ */