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powerpc/eeh: Rely on dev->link_active_reporting

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[ Upstream commit 1541a21305ceb10fcf3f7cbb23f3e1a00bbf1789 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Maciej W. Rozycki
2023-06-11 18:19:32 +01:00
committed by Greg Kroah-Hartman
parent 9b6081c302
commit e5c5eb43ed
1 changed files with 2 additions and 3 deletions
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5
arch/powerpc/kernel/eeh_pe.c
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@@ -670,9 +670,8 @@ 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;
}