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 <clomb...@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
