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path: root/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
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Diffstat (limited to 'drivers/platform/x86/intel/speed_select_if/isst_if_common.c')
-rw-r--r--drivers/platform/x86/intel/speed_select_if/isst_if_common.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
index e0572a29212e..02fe360a59c7 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
@@ -304,14 +304,13 @@ struct isst_if_pkg_info {
static struct isst_if_cpu_info *isst_cpu_info;
static struct isst_if_pkg_info *isst_pkg_info;
-#define ISST_MAX_PCI_DOMAINS 8
-
static struct pci_dev *_isst_if_get_pci_dev(int cpu, int bus_no, int dev, int fn)
{
struct pci_dev *matched_pci_dev = NULL;
struct pci_dev *pci_dev = NULL;
+ struct pci_dev *_pci_dev = NULL;
int no_matches = 0, pkg_id;
- int i, bus_number;
+ int bus_number;
if (bus_no < 0 || bus_no >= ISST_MAX_BUS_NUMBER || cpu < 0 ||
cpu >= nr_cpu_ids || cpu >= num_possible_cpus())
@@ -323,12 +322,11 @@ static struct pci_dev *_isst_if_get_pci_dev(int cpu, int bus_no, int dev, int fn
if (bus_number < 0)
return NULL;
- for (i = 0; i < ISST_MAX_PCI_DOMAINS; ++i) {
- struct pci_dev *_pci_dev;
+ for_each_pci_dev(_pci_dev) {
int node;
- _pci_dev = pci_get_domain_bus_and_slot(i, bus_number, PCI_DEVFN(dev, fn));
- if (!_pci_dev)
+ if (_pci_dev->bus->number != bus_number ||
+ _pci_dev->devfn != PCI_DEVFN(dev, fn))
continue;
++no_matches;