On Fri, 2009-01-30 at 18:12 +0000, Ian Campbell wrote:
> Possibly the correct fix might be to use xen_register_gsi() here
> instead of xen_allocate_pirq() and get rid of the special case for IRQ
> 14 and 15 in xen_pci_pirq_enable(). Maybe only 14 and 15 need this
> special treatment.
FWIW this also Works For Me.
--- a/arch/x86/xen/pci.c Fri Jan 30 17:39:54 2009 +0000
+++ b/arch/x86/xen/pci.c Fri Jan 30 18:16:34 2009 +0000
@@ -75,15 +75,6 @@
printk(KERN_INFO "xen: PCI device %s pin %d -> irq %d\n",
pci_name(dev), dev->pin, irq);
- } else if (((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) &&
- (dev->class & 0x05) == 0) {
- /* Legacy IDE devices have hard-coded irq 14/15 */
- printk(KERN_INFO "xen: %s: legacy IDE\n", pci_name(dev));
-
- xen_register_gsi(14, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
- xen_register_gsi(15, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
-
- rc = 0;
} else {
printk(KERN_INFO "xen: irq enable for %s failed: rc=%d pin=%d
irq=%d\n",
pci_name(dev), rc, dev->pin, dev->irq);
@@ -133,4 +124,6 @@
/* Blerk. */
acpi_gbl_FADT.sci_interrupt = irq;
#endif
+ xen_register_gsi(14, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
+ xen_register_gsi(15, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
}
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