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net/mlx5: 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.2.21.2305310125370.59226@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 18:19:36 +01:00 committed by Bjorn Helgaas
parent 1541a21305
commit 3bff63ee03
1 changed files with 2 additions and 6 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
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@ -307,7 +307,6 @@ static int mlx5_pci_link_toggle(struct mlx5_core_dev *dev)
unsigned long timeout;
struct pci_dev *sdev;
int cap, err;
u32 reg32;
/* Check that all functions under the pci bridge are PFs of
* this device otherwise fail this function.
@ -346,11 +345,8 @@ static int mlx5_pci_link_toggle(struct mlx5_core_dev *dev)
return err;
/* Check link */
err = pci_read_config_dword(bridge, cap + PCI_EXP_LNKCAP, &reg32);
if (err)
return err;
if (!(reg32 & PCI_EXP_LNKCAP_DLLLARC)) {
mlx5_core_warn(dev, "No PCI link reporting capability (0x%08x)\n", reg32);
if (!bridge->link_active_reporting) {
mlx5_core_warn(dev, "No PCI link reporting capability\n");
msleep(1000);
goto restore;
}