diff options
| author | Robin Murphy <robin.murphy@arm.com> | 2025-02-05 12:52:13 +0000 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2025-02-06 10:30:11 -0600 |
| commit | 6f64b83d9fe9729000a0616830cb1606945465d8 (patch) | |
| tree | c6c7d074c8dd2307c882c299bbb8b14111bd637e | |
| parent | 7507eb3e7bfac7c3baef8dd377fdf5871eefd42b (diff) | |
PCI/TPH: Restore TPH Requester Enable correctly
When we reenable TPH after changing a Steering Tag value, we need the
actual TPH Requester Enable value, not the ST Mode (which only happens to
work out by chance for non-extended TPH in interrupt vector mode).
Link: https://lore.kernel.org/r/13118098116d7bce07aa20b8c52e28c7d1847246.1738759933.git.robin.murphy@arm.com
Fixes: d2e8a34876ce ("PCI/TPH: Add Steering Tag support")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Wei Huang <wei.huang2@amd.com>
| -rw-r--r-- | drivers/pci/tph.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/tph.c b/drivers/pci/tph.c index 1e604fbbda65..07de59ca2ebf 100644 --- a/drivers/pci/tph.c +++ b/drivers/pci/tph.c @@ -360,7 +360,7 @@ int pcie_tph_set_st_entry(struct pci_dev *pdev, unsigned int index, u16 tag) return err; } - set_ctrl_reg_req_en(pdev, pdev->tph_mode); + set_ctrl_reg_req_en(pdev, pdev->tph_req_type); pci_dbg(pdev, "set steering tag: %s table, index=%d, tag=%#04x\n", (loc == PCI_TPH_LOC_MSIX) ? "MSI-X" : "ST", index, tag); |