If acpi_query_osc() returns other than AE_OK, __pci_osc_support_set() stops scanning ACPI objects to evaluate _OSC. This cause a problem that not all _OSC will be evaluated, if some of root bridge doesn't have _OSC, for example. So acpi_query_osc() should return always AE_OK to evaluate all _OSC. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx> Signed-off-by: Taku Izumi <izumi.taku@xxxxxxxxxxxxxx> drivers/pci/pci-acpi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) Index: linux-next.osc/drivers/pci/pci-acpi.c =================================================================== --- linux-next.osc.orig/drivers/pci/pci-acpi.c +++ linux-next.osc/drivers/pci/pci-acpi.c @@ -149,20 +149,19 @@ static acpi_status acpi_query_osc(acpi_h status = acpi_get_handle(handle, "_OSC", &tmp); if (ACPI_FAILURE(status)) - return status; + return AE_OK; mutex_lock(&pci_acpi_lock); osc_data = acpi_get_osc_data(handle); if (!osc_data) { printk(KERN_ERR "acpi osc data array is full\n"); - status = AE_ERROR; goto out; } - status = __acpi_query_osc(flags, osc_data, &dummy); + __acpi_query_osc(flags, osc_data, &dummy); out: mutex_unlock(&pci_acpi_lock); - return status; + return AE_OK; } /** -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html