PCI hotplug: clean up acpi_get_hp_params_from_firmware() interface
This patch makes acpi_get_hp_params_from_firmware() take a
pci_dev rather than a pci_bus and makes it return a standard
int errno rather than acpi_status.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index ec3c039..14d2d8a 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -324,18 +324,18 @@
/* acpi_get_hp_params_from_firmware
*
- * @bus - the pci_bus of the bus on which the device is newly added
+ * @dev - the pci_dev for which we want parameters
* @hpp - allocated by the caller
*/
-acpi_status acpi_get_hp_params_from_firmware(struct pci_bus *bus,
+int acpi_get_hp_params_from_firmware(struct pci_dev *dev,
struct hotplug_params *hpp)
{
- acpi_status status = AE_NOT_FOUND;
+ acpi_status status;
acpi_handle handle, phandle;
struct pci_bus *pbus;
handle = NULL;
- for (pbus = bus; pbus; pbus = pbus->parent) {
+ for (pbus = dev->bus; pbus; pbus = pbus->parent) {
handle = acpi_pci_get_bridge_handle(pbus);
if (handle)
break;
@@ -350,10 +350,10 @@
while (handle) {
status = acpi_run_hpx(handle, hpp);
if (ACPI_SUCCESS(status))
- break;
+ return 0;
status = acpi_run_hpp(handle, hpp);
if (ACPI_SUCCESS(status))
- break;
+ return 0;
if (acpi_is_root_bridge(handle))
break;
status = acpi_get_parent(handle, &phandle);
@@ -361,7 +361,7 @@
break;
handle = phandle;
}
- return status;
+ return -ENODEV;
}
EXPORT_SYMBOL_GPL(acpi_get_hp_params_from_firmware);