*
*/
#include <linux/pci.h>
+#include <linux/string.h>
+
#include <asm/pci-bridge.h>
#include <asm/rtas.h>
#include <asm/machdep.h>
-#include "../pci.h" /* for pci_add_new_bus */
+#include "../pci.h" /* for pci_add_new_bus */
#include "rpaphp.h"
static struct pci_bus *find_bus_among_children(struct pci_bus *bus,
}
EXPORT_SYMBOL_GPL(rpaphp_find_pci_bus);
-int rpaphp_claim_resource(struct pci_dev *dev, int resource)
-{
- struct resource *res = &dev->resource[resource];
- struct resource *root = pci_find_parent_resource(dev, res);
- char *dtype = resource < PCI_BRIDGE_RESOURCES ? "device" : "bridge";
- int err = -EINVAL;
-
- if (root != NULL) {
- err = request_resource(root, res);
- }
-
- if (err) {
- err("PCI: %s region %d of %s %s [%lx:%lx]\n",
- root ? "Address space collision on" :
- "No parent found for",
- resource, dtype, pci_name(dev), res->start, res->end);
- }
- return err;
-}
-
-EXPORT_SYMBOL_GPL(rpaphp_claim_resource);
-
static int rpaphp_get_sensor_state(struct slot *slot, int *state)
{
int rc;
}
/* Must be called before pci_bus_add_devices */
-static void
-rpaphp_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus)
+void rpaphp_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus)
{
struct pci_dev *dev;
if (r->parent || !r->start || !r->flags)
continue;
- rpaphp_claim_resource(dev, i);
+ pci_claim_resource(dev, i);
}
}
}
}
+static void rpaphp_eeh_add_bus_device(struct pci_bus *bus)
+{
+ struct pci_dev *dev;
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ eeh_add_device_late(dev);
+ if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+ struct pci_bus *subbus = dev->subordinate;
+ if (subbus)
+ rpaphp_eeh_add_bus_device (subbus);
+ }
+ }
+}
+
static int rpaphp_pci_config_bridge(struct pci_dev *dev)
{
u8 sec_busno;
return 0;
}
+void rpaphp_init_new_devs(struct pci_bus *bus)
+{
+ rpaphp_fixup_new_pci_devices(bus, 0);
+ rpaphp_eeh_add_bus_device(bus);
+}
+EXPORT_SYMBOL_GPL(rpaphp_init_new_devs);
+
/*****************************************************************************
rpaphp_pci_config_slot() will configure all devices under the
given slot->dn and return the the first pci_dev.
if (!dn || !dn->child)
return NULL;
- slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
+ if (_machine == PLATFORM_PSERIES_LPAR) {
+ of_scan_bus(dn, bus);
+ if (list_empty(&bus->devices)) {
+ err("%s: No new device found\n", __FUNCTION__);
+ return NULL;
+ }
- /* pci_scan_slot should find all children */
- num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
- if (num) {
- rpaphp_fixup_new_pci_devices(bus, 1);
+ rpaphp_init_new_devs(bus);
pci_bus_add_devices(bus);
- }
- if (list_empty(&bus->devices)) {
- err("%s: No new device found\n", __FUNCTION__);
- return NULL;
- }
- list_for_each_entry(dev, &bus->devices, bus_list) {
- if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
- rpaphp_pci_config_bridge(dev);
- }
+ dev = list_entry(&bus->devices, struct pci_dev, bus_list);
+ } else {
+ slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
- return dev;
-}
+ /* pci_scan_slot should find all children */
+ num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
+ if (num) {
+ rpaphp_fixup_new_pci_devices(bus, 1);
+ pci_bus_add_devices(bus);
+ }
+ if (list_empty(&bus->devices)) {
+ err("%s: No new device found\n", __FUNCTION__);
+ return NULL;
+ }
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
+ rpaphp_pci_config_bridge(dev);
-static void enable_eeh(struct device_node *dn)
-{
- struct device_node *sib;
+ rpaphp_eeh_add_bus_device(bus);
+ }
+ }
- for (sib = dn->child; sib; sib = sib->sibling)
- enable_eeh(sib);
- eeh_add_device_early(dn);
- return;
-
+ return dev;
}
static void print_slot_pci_funcs(struct pci_bus *bus)
if (!dn)
goto exit;
- enable_eeh(dn);
+ eeh_add_device_tree_early(dn);
dev = rpaphp_pci_config_slot(bus);
if (!dev) {
err("%s: can't find any devices.\n", __FUNCTION__);
}
return 0;
}
+EXPORT_SYMBOL_GPL(rpaphp_unconfig_pci_adapter);
static int setup_pci_hotplug_slot_info(struct slot *slot)
{
+ struct hotplug_slot_info *hotplug_slot_info = slot->hotplug_slot->info;
+
dbg("%s Initilize the PCI slot's hotplug->info structure ...\n",
__FUNCTION__);
- rpaphp_get_power_status(slot, &slot->hotplug_slot->info->power_status);
+ rpaphp_get_power_status(slot, &hotplug_slot_info->power_status);
rpaphp_get_pci_adapter_status(slot, 1,
- &slot->hotplug_slot->info->
- adapter_status);
- if (slot->hotplug_slot->info->adapter_status == NOT_VALID) {
+ &hotplug_slot_info->adapter_status);
+ if (hotplug_slot_info->adapter_status == NOT_VALID) {
err("%s: NOT_VALID: skip dn->full_name=%s\n",
__FUNCTION__, slot->dn->full_name);
return -EINVAL;
retval = rpaphp_config_pci_adapter(slot->bus);
if (!retval) {
slot->state = CONFIGURED;
- dbg("%s: PCI devices in slot[%s] has been configured\n",
- __FUNCTION__, slot->name);
+ info("%s: devices in slot[%s] configured\n",
+ __FUNCTION__, slot->name);
} else {
slot->state = NOT_CONFIGURED;
dbg("%s: no pci_dev struct for adapter in slot[%s]\n",