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powerpc/pci: Fix SRIOV not building without EEH enabled 

On Book3E CPUs (and possibly other configs), it is possible to have SRIOV
(CONFIG_PCI_IOV) set without CONFIG_EEH.  The SRIOV code does not check
for this, and if EEH is disabled, pci_dn.c fails to build.

Fix this by gating the EEH-specific code in the SRIOV implementation
behind CONFIG_EEH.

Fixes: 39218cd0 ("powerpc/eeh: EEH device for VF")
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Russell Currey 2016-06-17 15:25:17 +10:00 committed by Michael Ellerman
parent a430739009
commit fb36e90736
1 changed files with 6 additions and 0 deletions
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6
arch/powerpc/kernel/pci_dn.c
View File

@ -181,7 +181,9 @@ struct pci_dn *add_dev_pci_data(struct pci_dev *pdev)
{
#ifdef CONFIG_PCI_IOV
struct pci_dn *parent, *pdn;
#ifdef CONFIG_EEH
struct eeh_dev *edev;
#endif /* CONFIG_EEH */
int i;
/* Only support IOV for now */
@ -208,11 +210,13 @@ struct pci_dn *add_dev_pci_data(struct pci_dev *pdev)
return NULL;
}
#ifdef CONFIG_EEH
/* Create the EEH device for the VF */
eeh_dev_init(pdn, pci_bus_to_host(pdev->bus));
edev = pdn_to_eeh_dev(pdn);
BUG_ON(!edev);
edev->physfn = pdev;
#endif /* CONFIG_EEH */
}
#endif /* CONFIG_PCI_IOV */
@ -266,12 +270,14 @@ void remove_dev_pci_data(struct pci_dev *pdev)
pdn->devfn != pci_iov_virtfn_devfn(pdev, i))
continue;
#ifdef CONFIG_EEH
/* Release EEH device for the VF */
edev = pdn_to_eeh_dev(pdn);
if (edev) {
pdn->edev = NULL;
kfree(edev);
}
#endif /* CONFIG_EEH */
if (!list_empty(&pdn->list))
list_del(&pdn->list);