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parisc/PCI: dino: convert to pci_create_root_bus() for correct root bus resources 

Supply root bus resources to pci_create_root_bus() so they're correct
immediately.  This fixes the problem of "early" and "header" quirks seeing
incorrect root bus resources.

CC: linux-parisc@vger.kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Bjorn Helgaas 2011-10-28 16:27:12 -06:00 committed by Jesse Barnes
parent c4e0657628
commit 7590e500ad
1 changed files with 12 additions and 15 deletions
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27
drivers/parisc/dino.c
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@ -562,19 +562,6 @@ dino_fixup_bus(struct pci_bus *bus)
/* Firmware doesn't set up card-mode dino, so we have to */
if (is_card_dino(&dino_dev->hba.dev->id)) {
dino_card_setup(bus, dino_dev->hba.base_addr);
} else if(bus->parent == NULL) {
/* must have a dino above it, reparent the resources
* into the dino window */
int i;
struct resource *res = &dino_dev->hba.lmmio_space;
bus->resource[0] = &(dino_dev->hba.io_space);
for(i = 0; i < DINO_MAX_LMMIO_RESOURCES; i++) {
if(res[i].flags == 0)
break;
bus->resource[i+1] = &res[i];
}
} else if (bus->parent) {
int i;
@ -927,6 +914,7 @@ static int __init dino_probe(struct parisc_device *dev)
const char *version = "unknown";
char *name;
int is_cujo = 0;
LIST_HEAD(resources);
struct pci_bus *bus;
unsigned long hpa = dev->hpa.start;
@ -1003,15 +991,24 @@ static int __init dino_probe(struct parisc_device *dev)
dev->dev.platform_data = dino_dev;
pci_add_resource(&resources, &dino_dev->hba.io_space);
if (dino_dev->hba.lmmio_space.flags)
pci_add_resource(&resources, &dino_dev->hba.lmmio_space);
if (dino_dev->hba.elmmio_space.flags)
pci_add_resource(&resources, &dino_dev->hba.elmmio_space);
if (dino_dev->hba.gmmio_space.flags)
pci_add_resource(&resources, &dino_dev->hba.gmmio_space);
/*
** It's not used to avoid chicken/egg problems
** with configuration accessor functions.
*/
dino_dev->hba.hba_bus = bus = pci_create_bus(&dev->dev,
dino_current_bus, &dino_cfg_ops, NULL);
dino_dev->hba.hba_bus = bus = pci_create_root_bus(&dev->dev,
dino_current_bus, &dino_cfg_ops, NULL, &resources);
if (!bus) {
printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n",
dev_name(&dev->dev), dino_current_bus);
pci_free_resource_list(&resources);
/* increment the bus number in case of duplicates */
dino_current_bus++;
return 0;