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powerpc/eeh: Rely on dev->link_active_reporting

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Use dev->link_active_reporting to determine whether Data Link Layer Link
Active Reporting is available rather than re-retrieving the capability.

Link: https://lore.kernel.org/r/alpine.DEB.2.21.2305310124100.59226@angie.orcam.me.uk
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Maciej W. Rozycki 2023-06-11 18:19:32 +01:00 committed by Bjorn Helgaas
parent 1f087398db
commit 1541a21305
1 changed files with 2 additions and 3 deletions
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5
arch/powerpc/kernel/eeh_pe.c
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@ -671,9 +671,8 @@ static void eeh_bridge_check_link(struct eeh_dev *edev)
eeh_ops->write_config(edev, cap + PCI_EXP_LNKCTL, 2, val);
/* Check link */
eeh_ops->read_config(edev, cap + PCI_EXP_LNKCAP, 4, &val);
if (!(val & PCI_EXP_LNKCAP_DLLLARC)) {
eeh_edev_dbg(edev, "No link reporting capability (0x%08x) \n", val);
if (!edev->pdev->link_active_reporting) {
eeh_edev_dbg(edev, "No link reporting capability\n");
msleep(1000);
return;
}