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powerpc/eeh: Rely on dev->link_active_reporting
author
Maciej W. Rozycki
<macro@orcam.me.uk>
Sun, 11 Jun 2023 17:19:32 +0000
(18:19 +0100)
committer
Bjorn Helgaas
<bhelgaas@google.com>
Wed, 14 Jun 2023 22:58:12 +0000
(17:58 -0500)
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>
arch/powerpc/kernel/eeh_pe.c
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diff --git
a/arch/powerpc/kernel/eeh_pe.c
b/arch/powerpc/kernel/eeh_pe.c
index
d2873d1
..
e0ce812
100644
(file)
--- a/
arch/powerpc/kernel/eeh_pe.c
+++ b/
arch/powerpc/kernel/eeh_pe.c
@@
-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;
}