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powerpc/eeh: Make permanently failed devices non-actionable

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If a device is torn down by a hotplug slot driver it's marked as removed
and marked as permaantly failed. There's no point in trying to recover a
permernantly failed device so it should be considered un-actionable.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190903101605.2890-4-oohall@gmail.com
This commit is contained in:
Oliver O'Halloran 2019-09-03 20:15:54 +10:00 committed by Michael Ellerman
parent 5ef753ae43
commit 38ddc01147
1 changed files with 10 additions and 2 deletions
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12
arch/powerpc/kernel/eeh_driver.c
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@ -96,8 +96,16 @@ static bool eeh_dev_removed(struct eeh_dev *edev)
static bool eeh_edev_actionable(struct eeh_dev *edev)
{
return (edev->pdev && !eeh_dev_removed(edev) &&
!eeh_pe_passed(edev->pe));
if (!edev->pdev)
return false;
if (edev->pdev->error_state == pci_channel_io_perm_failure)
return false;
if (eeh_dev_removed(edev))
return false;
if (eeh_pe_passed(edev->pe))
return false;
return true;
}
/**