[PATCH 3/3] powerpc/pseries: Fixup config space size of OpenCAPI devices

[christophe lombard]

Fix up the pci config size of the OpenCAPI PCIe devices in the pseries
environment.
Most of OpenCAPI PCIe devices have 4096 bytes of configuration space.

Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
---
 arch/powerpc/platforms/pseries/pci.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 1eae1d09980c..3397784767b0 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -291,6 +291,15 @@ static void fixup_winbond_82c105(struct pci_dev* dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105,
 			 fixup_winbond_82c105);
 
+static void fixup_opencapi_cfg_size(struct pci_dev *pdev)
+{
+	if (!machine_is(pseries))
+		return;
+
+	pdev->cfg_size = PCI_CFG_SPACE_EXP_SIZE;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IBM, 0x062b, fixup_opencapi_cfg_size);
+
 int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
 {
 	struct device_node *dn, *pdn;
-- 
2.21.0