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-rw-r--r--drivers/edac/i7core_edac.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 6b8b7b41ec5f..d7c76800988e 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1233,10 +1233,28 @@ static void __init i7core_xeon_pci_fixup(struct pci_id_table *table)
for (i = 0; i < MAX_SOCKET_BUSES; i++)
pcibios_scan_specific_bus(255-i);
}
+ pci_dev_put(pdev);
table++;
}
}
+static unsigned i7core_pci_lastbus(void)
+{
+ int last_bus = 0, bus;
+ struct pci_bus *b = NULL;
+
+ while ((b = pci_find_next_bus(b)) != NULL) {
+ bus = b->number;
+ debugf0("Found bus %d\n", bus);
+ if (bus > last_bus)
+ last_bus = bus;
+ }
+
+ debugf0("Last bus %d\n", last_bus);
+
+ return last_bus;
+}
+
/*
* i7core_get_devices Find and perform 'get' operation on the MCH's
* device/functions we want to reference for this driver
@@ -1244,7 +1262,8 @@ static void __init i7core_xeon_pci_fixup(struct pci_id_table *table)
* Need to 'get' device 16 func 1 and func 2
*/
int i7core_get_onedevice(struct pci_dev **prev, int devno,
- struct pci_id_descr *dev_descr, unsigned n_devs)
+ struct pci_id_descr *dev_descr, unsigned n_devs,
+ unsigned last_bus)
{
struct i7core_dev *i7core_dev;
@@ -1291,10 +1310,7 @@ int i7core_get_onedevice(struct pci_dev **prev, int devno,
}
bus = pdev->bus->number;
- if (bus == 0x3f)
- socket = 0;
- else
- socket = 255 - bus;
+ socket = last_bus - bus;
i7core_dev = get_i7core_dev(socket);
if (!i7core_dev) {
@@ -1358,17 +1374,21 @@ int i7core_get_onedevice(struct pci_dev **prev, int devno,
static int i7core_get_devices(struct pci_id_table *table)
{
- int i, rc;
+ int i, rc, last_bus;
struct pci_dev *pdev = NULL;
struct pci_id_descr *dev_descr;
+ last_bus = i7core_pci_lastbus();
+
while (table && table->descr) {
dev_descr = table->descr;
for (i = 0; i < table->n_devs; i++) {
pdev = NULL;
do {
- rc = i7core_get_onedevice(&pdev, i, &dev_descr[i],
- table->n_devs);
+ rc = i7core_get_onedevice(&pdev, i,
+ &dev_descr[i],
+ table->n_devs,
+ last_bus);
if (rc < 0) {
if (i == 0) {
i = table->n_devs;