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x86, hpet: Introduce x86_msi_ops.setup_hpet_msi

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This function pointer can be overwritten by the IRQ
remapping code. The irq_remapping_enabled check can be
removed from default_setup_hpet_msi.

Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Joerg Roedel
2012-09-26 12:44:37 +02:00
parent afcc8a40a0
commit 71054d8841
6 changed files with 14 additions and 15 deletions
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8
arch/x86/kernel/apic/io_apic.c
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@@ -3399,18 +3399,12 @@ static struct irq_chip hpet_msi_type = {
.irq_retrigger = ioapic_retrigger_irq,
};
int arch_setup_hpet_msi(unsigned int irq, unsigned int id)
int default_setup_hpet_msi(unsigned int irq, unsigned int id)
{
struct irq_chip *chip = &hpet_msi_type;
struct msi_msg msg;
int ret;
if (irq_remapping_enabled) {
ret = setup_hpet_msi_remapped(irq, id);
if (ret)
return ret;
}
ret = msi_compose_msg(NULL, irq, &msg, id);
if (ret < 0)
return ret;