Applied to acpi test tree for .25. Do you think this is .24 and a 23.stable candidate? thanks, -Len On Monday 17 December 2007 02:13, Zhao Yakui wrote: > Subject: ACPI : Not register gsi for PCI IDE controller in legacy mode > >From : Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> > > When PCI IDE controller works in legacy mode and no PRT entry is found > in ACPI PRT table, OSPM will neither read the irq number from the IDE > PCI configuration space nor call the function of acpi_register_gsi to > register gsi. > > http://bugzilla.kernel.org/show_bug.cgi?id=5637 > > Signed-off-by: Zhao Yakui <yakui.zhao@xxxxxxxxx> > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> > Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> > > --- > drivers/acpi/pci_irq.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > Index: linux-2.6.24-rc5/drivers/acpi/pci_irq.c > =================================================================== > --- linux-2.6.24-rc5.orig/drivers/acpi/pci_irq.c > +++ linux-2.6.24-rc5/drivers/acpi/pci_irq.c > @@ -429,6 +429,15 @@ int acpi_pci_irq_enable(struct pci_dev * > &polarity, &link, > acpi_pci_allocate_irq); > > + if (irq < 0) { > + /* > + * IDE legacy mode controller IRQs are magic. Why do compat > + * extensions always make such a nasty mess. > + */ > + if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE && > + (dev->class & 0x05) == 0) > + return 0; > + } > /* > * No IRQ known to the ACPI subsystem - maybe the BIOS / > * driver reported one, then use it. Exit in any case. > > - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html