iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

PCI: rpaphp: Remove setup_pci_slot()

Browse Source 
The setup_pci_slot() routine appears to be nothing else than
a big, complicated wrapper around pcibios_add_pci_devices().
Remove the wrapping, and call pcibios_add_pci_devices() directly.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Linas Vepstas 2007-04-13 15:34:16 -07:00 committed by Greg Kroah-Hartman
parent ebf42c0edd
commit 03a6675591
1 changed files with 33 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
drivers/pci/hotplug/rpaphp_pci.c
View File

@ -92,64 +92,15 @@ static void set_slot_name(struct slot *slot)
bus->number);
}
static int setup_pci_slot(struct slot *slot)
{
struct device_node *dn = slot->dn;
struct pci_bus *bus;
BUG_ON(!dn);
bus = pcibios_find_pci_bus(dn);
if (!bus) {
err("%s: no pci_bus for dn %s\n", __FUNCTION__, dn->full_name);
goto exit_rc;
}
slot->bus = bus;
slot->pci_devs = &bus->devices;
set_slot_name(slot);
/* find slot's pci_dev if it's not empty */
if (slot->hotplug_slot->info->adapter_status == EMPTY) {
slot->state = EMPTY; /* slot is empty */
} else {
/* slot is occupied */
if (!dn->child) {
/* non-empty slot has to have child */
err("%s: slot[%s]'s device_node doesn't have child for adapter\n",
__FUNCTION__, slot->name);
goto exit_rc;
}
if (slot->hotplug_slot->info->adapter_status == NOT_CONFIGURED) {
dbg("%s CONFIGURING pci adapter in slot[%s]\n",
__FUNCTION__, slot->name);
pcibios_add_pci_devices(slot->bus);
} else if (slot->hotplug_slot->info->adapter_status != CONFIGURED) {
err("%s: slot[%s]'s adapter_status is NOT_VALID.\n",
__FUNCTION__, slot->name);
goto exit_rc;
}
print_slot_pci_funcs(slot->bus);
if (!list_empty(slot->pci_devs)) {
slot->state = CONFIGURED;
} else {
/* DLPAR add as opposed to
* boot time */
slot->state = NOT_CONFIGURED;
}
}
return 0;
exit_rc:
return -EINVAL;
}
int rpaphp_register_pci_slot(struct slot *slot)
{
int rc, level, state;
struct pci_bus *bus;
struct hotplug_slot_info *info = slot->hotplug_slot->info;
info->adapter_status = NOT_VALID;
slot->state = EMPTY;
/* Find out if the power is turned on for the slot */
rc = rtas_get_power_level(slot->power_domain, &level);
if (rc)
@ -157,23 +108,42 @@ int rpaphp_register_pci_slot(struct slot *slot)
info->power_status = level;
/* Figure out if there is an adapter in the slot */
info->adapter_status = NOT_VALID;
rc = rpaphp_get_sensor_state(slot, &state);
if (rc)
return rc;
if (state == EMPTY)
info->adapter_status = EMPTY;
else if (state == PRESENT) {
bus = pcibios_find_pci_bus(slot->dn);
if (bus && !list_empty(&bus->devices))
info->adapter_status = CONFIGURED;
else
info->adapter_status = NOT_CONFIGURED;
bus = pcibios_find_pci_bus(slot->dn);
if (!bus) {
err("%s: no pci_bus for dn %s\n", __FUNCTION__, slot->dn->full_name);
return -EINVAL;
}
if (setup_pci_slot(slot))
return -EINVAL;
info->adapter_status = EMPTY;
slot->bus = bus;
slot->pci_devs = &bus->devices;
set_slot_name(slot);
/* if there's an adapter in the slot, go add the pci devices */
if (state == PRESENT) {
info->adapter_status = NOT_CONFIGURED;
slot->state = NOT_CONFIGURED;
/* non-empty slot has to have child */
if (!slot->dn->child) {
err("%s: slot[%s]'s device_node doesn't have child for adapter\n",
__FUNCTION__, slot->name);
return -EINVAL;
}
if (list_empty(&bus->devices))
pcibios_add_pci_devices(bus);
print_slot_pci_funcs(bus);
if (!list_empty(&bus->devices)) {
info->adapter_status = CONFIGURED;
slot->state = CONFIGURED;
}
}
return rpaphp_register_slot(slot);
}