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SubjectRe: [PATCH] PCI hotplug changes for 2.5.69
From
Date
ChangeSet 1.1081, 2003/05/06 15:34:00-07:00, greg@kroah.com

[PATCH] PCI Hotplug: fix up the compaq driver to work properly again.


drivers/hotplug/cpqphp_pci.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)


diff -Nru a/drivers/hotplug/cpqphp_pci.c b/drivers/hotplug/cpqphp_pci.c
--- a/drivers/hotplug/cpqphp_pci.c Tue May 6 15:56:03 2003
+++ b/drivers/hotplug/cpqphp_pci.c Tue May 6 15:56:03 2003
@@ -85,19 +85,20 @@
{
unsigned char bus;
struct pci_bus *child;
- int rc = 0;
+ int num;

if (func->pci_dev == NULL)
- func->pci_dev = pci_find_slot(func->bus, (func->device << 3) | (func->function & 0x7));
+ func->pci_dev = pci_find_slot(func->bus, PCI_DEVFN(func->device, func->function));

- //Still NULL ? Well then scan for it !
+ /* No pci device, we need to create it then */
if (func->pci_dev == NULL) {
dbg("INFO: pci_dev still null\n");

- //this will generate pci_dev structures for all functions, but we will only call this case when lookup fails
- func->pci_dev = pci_scan_slot(ctrl->pci_dev->bus,
- (func->device << 3) + (func->function & 0x7));
+ num = pci_scan_slot(ctrl->pci_dev->bus, PCI_DEVFN(func->device, func->function));
+ if (num)
+ pci_bus_add_devices(ctrl->pci_dev->bus);

+ func->pci_dev = pci_find_slot(func->bus, PCI_DEVFN(func->device, func->function));
if (func->pci_dev == NULL) {
dbg("ERROR: pci_dev still null\n");
return 0;
@@ -108,10 +109,9 @@
pci_read_config_byte(func->pci_dev, PCI_SECONDARY_BUS, &bus);
child = (struct pci_bus*) pci_add_new_bus(func->pci_dev->bus, (func->pci_dev), bus);
pci_do_scan_bus(child);
-
}

- return rc;
+ return 0;
}


-
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