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Diffstat (limited to 'arch/x86/events/intel/uncore.c')
-rw-r--r--arch/x86/events/intel/uncore.c31
1 files changed, 23 insertions, 8 deletions
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index d5c6d3b340c5..e14b03f99949 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -989,6 +989,26 @@ uncore_types_init(struct intel_uncore_type **types, bool setid)
}
/*
+ * Get the die information of a PCI device.
+ * @pdev: The PCI device.
+ * @phys_id: The physical socket id which the device maps to.
+ * @die: The die id which the device maps to.
+ */
+static int uncore_pci_get_dev_die_info(struct pci_dev *pdev,
+ int *phys_id, int *die)
+{
+ *phys_id = uncore_pcibus_to_physid(pdev->bus);
+ if (*phys_id < 0)
+ return -ENODEV;
+
+ *die = (topology_max_die_per_package() > 1) ? *phys_id :
+ topology_phys_to_logical_pkg(*phys_id);
+ if (*die < 0)
+ return -EINVAL;
+
+ return 0;
+}
+/*
* add a pci uncore device
*/
static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -998,14 +1018,9 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id
struct intel_uncore_box *box;
int phys_id, die, ret;
- phys_id = uncore_pcibus_to_physid(pdev->bus);
- if (phys_id < 0)
- return -ENODEV;
-
- die = (topology_max_die_per_package() > 1) ? phys_id :
- topology_phys_to_logical_pkg(phys_id);
- if (die < 0)
- return -EINVAL;
+ ret = uncore_pci_get_dev_die_info(pdev, &phys_id, &die);
+ if (ret)
+ return ret;
if (UNCORE_PCI_DEV_TYPE(id->driver_data) == UNCORE_EXTRA_PCI_DEV) {
int idx = UNCORE_PCI_DEV_IDX(id->driver_data);