WARNING: line length of 85 exceeds 80 columns
#111: FILE: drivers/pci/pcie/tph.c:246:
+		pci_err(pdev, "cannot find root port of %s\n", dev_name(&pdev->dev));

WARNING: line length of 93 exceeds 80 columns
#157: FILE: drivers/pci/pcie/tph.c:292:
+	if (!msix_index_in_bound(pdev, msix_idx) || !rp_completer_support_ok(pdev, req_type))

WARNING: line length of 83 exceeds 80 columns
#162: FILE: drivers/pci/pcie/tph.c:297:
+	 * as cautioned in PCIE Base Spec r6.2, sect 6.17.3 "ST Modes of Operation"

WARNING: line length of 86 exceeds 80 columns
#175: FILE: drivers/pci/pcie/tph.c:310:
+		offset = pdev->tph_cap + PCI_TPH_BASE_SIZEOF + msix_idx * sizeof(u16);

CHECK: Alignment should match open parenthesis
#255: FILE: include/linux/pci-tph.h:37:
+static inline int pcie_tph_set_st(struct pci_dev *dev, unsigned int msix_nr,
+				   unsigned int cpu, enum tph_mem_type tag_type,

total: 0 errors, 4 warnings, 1 checks, 224 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 325ef2b864ad ("PCI/TPH: Introduce API to update TPH steering tags in PCIe devices") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 4 warnings, 1 checks, 224 lines checked