x86: make HAVE_SPARSE_IRQ support selectable

Ingo said sparse_irq is some intrusive. need to make it selectable

to make it simple, remove irq_desc as parameter in some functions.
(ack, eoi, set_affinity).
may need to make member if irq_chip to take irq_desc, or struct irq later.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-08-19 20:50:51 -07:00 committed by Ingo Molnar
parent ffd5aae781
commit 8f09cd20a2
5 changed files with 62 additions and 28 deletions

View file

@ -269,7 +269,7 @@ int show_interrupts(struct seq_file *p, void *v)
struct irqaction * action;
unsigned long flags;
unsigned int entries;
struct irq_desc *desc;
struct irq_desc *desc = NULL;
int tail = 0;
#ifdef CONFIG_HAVE_SPARSE_IRQ