diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/eeh-powernv.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/eeh-powernv.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 73b981438cc5..a79fddc5e74e 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -344,6 +344,27 @@ static int powernv_eeh_next_error(struct eeh_pe **pe) return -EEXIST; } +static int powernv_eeh_restore_config(struct device_node *dn) +{ + struct eeh_dev *edev = of_node_to_eeh_dev(dn); + struct pnv_phb *phb; + s64 ret; + + if (!edev) + return -EEXIST; + + phb = edev->phb->private_data; + ret = opal_pci_reinit(phb->opal_id, + OPAL_REINIT_PCI_DEV, edev->config_addr); + if (ret) { + pr_warn("%s: Can't reinit PCI dev 0x%x (%lld)\n", + __func__, edev->config_addr, ret); + return -EIO; + } + + return 0; +} + static struct eeh_ops powernv_eeh_ops = { .name = "powernv", .init = powernv_eeh_init, @@ -359,7 +380,8 @@ static struct eeh_ops powernv_eeh_ops = { .configure_bridge = powernv_eeh_configure_bridge, .read_config = pnv_pci_cfg_read, .write_config = pnv_pci_cfg_write, - .next_error = powernv_eeh_next_error + .next_error = powernv_eeh_next_error, + .restore_config = powernv_eeh_restore_config }; /** |