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OpenCloudOS-Kernel
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Pull prarit-bus-sysdata into release branch

This commit is contained in:
Tony Luck 2005-08-23 07:27:28 -07:00
parent 729c80c6ff c1ffb910f7
commit 034e5356a4
1 changed files with 10 additions and 8 deletions
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18
arch/ia64/sn/kernel/io_init.c
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@ -323,7 +323,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
struct pci_controller *controller;
struct pcibus_bussoft *prom_bussoft_ptr;
struct hubdev_info *hubdev_info;
void *provider_soft;
void *provider_soft = NULL;
struct sn_pcibus_provider *provider;
status = sal_get_pcibus_info((u64) segment, (u64) busnum,
@ -339,7 +339,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
if (bus == NULL) {
bus = pci_scan_bus(busnum, &pci_root_ops, controller);
if (bus == NULL)
return; /* error, or bus already scanned */
goto error_return; /* error, or bus already scanned */
bus->sysdata = NULL;
}
@ -352,28 +352,30 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
*/
if (prom_bussoft_ptr->bs_asic_type >= PCIIO_ASIC_MAX_TYPES)
return; /* unsupported asic type */
goto error_return; /* unsupported asic type */
if (prom_bussoft_ptr->bs_asic_type == PCIIO_ASIC_TYPE_PPB)
goto error_return; /* no further fixup necessary */
provider = sn_pci_provider[prom_bussoft_ptr->bs_asic_type];
if (provider == NULL)
return; /* no provider registerd for this asic */
goto error_return; /* no provider registerd for this asic */
provider_soft = NULL;
bus->sysdata = controller;
if (provider->bus_fixup)
provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, controller);
if (provider_soft == NULL)
return; /* fixup failed or not applicable */
if (provider_soft == NULL) {
/* fixup failed or not applicable */
bus->sysdata = NULL;
goto error_return;
}
/*
* Generic bus fixup goes here. Don't reference prom_bussoft_ptr
* after this point.
*/
bus->sysdata = controller;
PCI_CONTROLLER(bus)->platform_data = provider_soft;
nasid = NASID_GET(SN_PCIBUS_BUSSOFT(bus)->bs_base);
cnode = nasid_to_cnodeid(nasid);