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Diffstat (limited to 'arch/x86_64/kernel/io_apic.c')
-rw-r--r--arch/x86_64/kernel/io_apic.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index c768d8a036d..924a4a33295 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -25,7 +25,6 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/sched.h>
-#include <linux/config.h>
#include <linux/smp_lock.h>
#include <linux/mc146818rtc.h>
#include <linux/acpi.h>
@@ -876,15 +875,17 @@ static struct hw_interrupt_type ioapic_edge_type;
#define IOAPIC_EDGE 0
#define IOAPIC_LEVEL 1
-static inline void ioapic_register_intr(int irq, int vector, unsigned long trigger)
+static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
{
- unsigned idx = use_pci_vector() && !platform_legacy_irq(irq) ? vector : irq;
+ unsigned idx;
+
+ idx = use_pci_vector() && !platform_legacy_irq(irq) ? vector : irq;
if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
trigger == IOAPIC_LEVEL)
- irq_desc[idx].handler = &ioapic_level_type;
+ irq_desc[idx].chip = &ioapic_level_type;
else
- irq_desc[idx].handler = &ioapic_edge_type;
+ irq_desc[idx].chip = &ioapic_edge_type;
set_intr_gate(vector, interrupt[idx]);
}
@@ -986,7 +987,7 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
* The timer IRQ doesn't have to know that behind the
* scene we have a 8259A-master in AEOI mode ...
*/
- irq_desc[0].handler = &ioapic_edge_type;
+ irq_desc[0].chip = &ioapic_edge_type;
/*
* Add it to the IO-APIC irq-routing table:
@@ -1616,6 +1617,13 @@ static void set_ioapic_affinity_vector (unsigned int vector,
#endif // CONFIG_SMP
#endif // CONFIG_PCI_MSI
+static int ioapic_retrigger(unsigned int irq)
+{
+ send_IPI_self(IO_APIC_VECTOR(irq));
+
+ return 1;
+}
+
/*
* Level and edge triggered IO-APIC interrupts need different handling,
* so we use two separate IRQ descriptors. Edge triggered IRQs can be
@@ -1636,6 +1644,7 @@ static struct hw_interrupt_type ioapic_edge_type __read_mostly = {
#ifdef CONFIG_SMP
.set_affinity = set_ioapic_affinity,
#endif
+ .retrigger = ioapic_retrigger,
};
static struct hw_interrupt_type ioapic_level_type __read_mostly = {
@@ -1649,6 +1658,7 @@ static struct hw_interrupt_type ioapic_level_type __read_mostly = {
#ifdef CONFIG_SMP
.set_affinity = set_ioapic_affinity,
#endif
+ .retrigger = ioapic_retrigger,
};
static inline void init_IO_APIC_traps(void)
@@ -1683,7 +1693,7 @@ static inline void init_IO_APIC_traps(void)
make_8259A_irq(irq);
else
/* Strange. Oh, well.. */
- irq_desc[irq].handler = &no_irq_type;
+ irq_desc[irq].chip = &no_irq_type;
}
}
}
@@ -1900,7 +1910,7 @@ static inline void check_timer(void)
apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
disable_8259A_irq(0);
- irq_desc[0].handler = &lapic_irq_type;
+ irq_desc[0].chip = &lapic_irq_type;
apic_write(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */
enable_8259A_irq(0);