diff options
| author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2015-03-17 16:15:03 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2015-03-24 13:15:50 +1100 |
| commit | 3532a741f80c3b9ca975006f93a4a477e07e2cb3 (patch) | |
| tree | a72f5e6bef1aba0cc720def5bda613770587648f /arch/powerpc/platforms/powernv/eeh-powernv.c | |
| parent | cca87d303c85b257a7b0fd34f9d6fce1c59880a2 (diff) | |
powerpc/powernv: Use pci_dn, not device_node, in PCI config accessor
The PCI config accessors previously relied on device_node. Unfortunately,
VFs don't have a corresponding device_node, so change the accessors to use
pci_dn instead.
[bhelgaas: changelog]
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/powernv/eeh-powernv.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/eeh-powernv.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index ede690630dfc..8eac8c57ee86 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -1038,21 +1038,31 @@ static inline bool pnv_eeh_cfg_blocked(struct device_node *dn) static int pnv_eeh_read_config(struct device_node *dn, int where, int size, u32 *val) { + struct pci_dn *pdn = PCI_DN(dn); + + if (!pdn) + return PCIBIOS_DEVICE_NOT_FOUND; + if (pnv_eeh_cfg_blocked(dn)) { *val = 0xFFFFFFFF; return PCIBIOS_SET_FAILED; } - return pnv_pci_cfg_read(dn, where, size, val); + return pnv_pci_cfg_read(pdn, where, size, val); } static int pnv_eeh_write_config(struct device_node *dn, int where, int size, u32 val) { + struct pci_dn *pdn = PCI_DN(dn); + + if (!pdn) + return PCIBIOS_DEVICE_NOT_FOUND; + if (pnv_eeh_cfg_blocked(dn)) return PCIBIOS_SET_FAILED; - return pnv_pci_cfg_write(dn, where, size, val); + return pnv_pci_cfg_write(pdn, where, size, val); } static void pnv_eeh_dump_hub_diag_common(struct OpalIoP7IOCErrorData *data) |