diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 48fbd442e9d..63e23062e98 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -580,6 +580,36 @@ rtas_pci_slot_reset(struct pci_dn *pdn, int state) } /** + * pcibios_set_pcie_slot_reset - Set PCI-E reset state + * @dev: pci device struct + * @state: reset state to enter + * + * Return value: + * 0 if success + **/ +int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state) +{ + struct device_node *dn = pci_device_to_OF_node(dev); + struct pci_dn *pdn = PCI_DN(dn); + + switch (state) { + case pcie_deassert_reset: + rtas_pci_slot_reset(pdn, 0); + break; + case pcie_hot_reset: + rtas_pci_slot_reset(pdn, 1); + break; + case pcie_warm_reset: + rtas_pci_slot_reset(pdn, 3); + break; + default: + return -EINVAL; + }; + + return 0; +} + +/** * rtas_set_slot_reset -- assert the pci #RST line for 1/4 second * @pdn: pci device node to be reset. * |