| Message ID | 1444399652-25920-3-git-send-email-jiang.liu@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Fri, Oct 09, 2015 at 10:07:32PM +0800, Jiang Liu wrote: > The ACPI IOAPIC driver makes use of IOAPIC PCI devices, so prevent > binding other PCI drivers to IOAPIC PCI devices used by ACPI IOAPIC > driver. > > Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> > --- > drivers/acpi/ioapic.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) Reviewed-by: Joerg Roedel <jroedel@suse.de> -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c index ccdc8db16bb8..da71b274fc21 100644 --- a/drivers/acpi/ioapic.c +++ b/drivers/acpi/ioapic.c @@ -162,12 +162,14 @@ done: list_add(&ioapic->list, &ioapic_list); mutex_unlock(&ioapic_list_lock); - if (dev) + if (dev) { + dev->match_driver = false; dev_info(&dev->dev, "%s at %pR, GSI %u\n", type, res, (u32)gsi_base); - else + } else { acpi_handle_info(handle, "%s at %pR, GSI %u\n", type, res, (u32)gsi_base); + } return AE_OK; @@ -216,6 +218,7 @@ int acpi_ioapic_remove(struct acpi_pci_root *root) if (ioapic->pdev) { pci_release_region(ioapic->pdev, 0); pci_disable_device(ioapic->pdev); + ioapic->pdev->match_driver = true; pci_dev_put(ioapic->pdev); } else if (ioapic->res.flags && ioapic->res.parent) { release_resource(&ioapic->res);
The ACPI IOAPIC driver makes use of IOAPIC PCI devices, so prevent binding other PCI drivers to IOAPIC PCI devices used by ACPI IOAPIC driver. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> --- drivers/acpi/ioapic.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)