Currently the set_pcie_thunderbolt() open codes pci_find_vsec_capability().
Refactor the former to use the latter. No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Wilczyński <kw@xxxxxxxxx>
---
v2: preserved comment (Lukas), added tag (Krzysztof)
drivers/pci/probe.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 087d3658f75c..496c8b8d903c 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1579,20 +1579,12 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev)
static void set_pcie_thunderbolt(struct pci_dev *dev)
{
- int vsec = 0;
- u32 header;
+ u16 vsec;
- while ((vsec = pci_find_next_ext_capability(dev, vsec,
- PCI_EXT_CAP_ID_VNDR))) {
- pci_read_config_dword(dev, vsec + PCI_VNDR_HEADER, &header);
-
- /* Is the device part of a Thunderbolt controller? */
- if (dev->vendor == PCI_VENDOR_ID_INTEL &&
- PCI_VNDR_HEADER_ID(header) == PCI_VSEC_ID_INTEL_TBT) {
- dev->is_thunderbolt = 1;
- return;
- }
- }
+ /* Is the device part of a Thunderbolt controller? */
+ vsec = pci_find_vsec_capability(dev, PCI_VENDOR_ID_INTEL, PCI_VSEC_ID_INTEL_TBT);
+ if (vsec)
+ dev->is_thunderbolt = 1;
}
static void set_pcie_untrusted(struct pci_dev *dev)
--
2.33.0
