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x86, irq: Introduce setup_remapped_irq()

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This function does irq-remapping specific interrupt setup
like modifying the chip defaults.

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 12:44:48 +02:00
parent 11b4a1cc38
commit 2976fd8417
3 changed files with 21 additions and 10 deletions
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13
arch/x86/kernel/apic/io_apic.c
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@@ -1288,11 +1288,8 @@ static void ioapic_register_intr(unsigned int irq, struct irq_cfg *cfg,
fasteoi = false;
}
if (irq_remapped(cfg)) {
irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
irq_remap_modify_chip_defaults(chip);
if (setup_remapped_irq(irq, cfg, chip))
fasteoi = trigger != 0;
}
hdl = fasteoi ? handle_fasteoi_irq : handle_edge_irq;
irq_set_chip_and_handler_name(irq, chip, hdl,
@@ -3131,10 +3128,7 @@ int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
if (!irq_offset)
write_msi_msg(irq, &msg);
if (irq_remapped(irq_get_chip_data(irq))) {
irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
irq_remap_modify_chip_defaults(chip);
}
setup_remapped_irq(irq, irq_get_chip_data(irq), chip);
irq_set_chip_and_handler_name(irq, chip, handle_edge_irq, "edge");
@@ -3272,8 +3266,7 @@ int default_setup_hpet_msi(unsigned int irq, unsigned int id)
hpet_msi_write(irq_get_handler_data(irq), &msg);
irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
if (irq_remapped(irq_get_chip_data(irq)))
irq_remap_modify_chip_defaults(chip);
setup_remapped_irq(irq, irq_get_chip_data(irq), chip);
irq_set_chip_and_handler_name(irq, chip, handle_edge_irq, "edge");
return 0;