pci: plda: Get correct ECAM offset in multiple PCIe RC case
Get the correct ECAM offset and record the secondary bus
number in Multiple RC case.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/drivers/pci/pcie_plda_common.c b/drivers/pci/pcie_plda_common.c
index 005b926..cd74bb4 100644
--- a/drivers/pci/pcie_plda_common.c
+++ b/drivers/pci/pcie_plda_common.c
@@ -36,8 +36,8 @@
uint offset, void **paddr)
{
struct pcie_plda *priv = dev_get_priv(udev);
- int where = PCIE_ECAM_OFFSET(PCI_BUS(bdf), PCI_DEV(bdf),
- PCI_FUNC(bdf), offset);
+ int where = PCIE_ECAM_OFFSET(PCI_BUS(bdf) - dev_seq(udev),
+ PCI_DEV(bdf), PCI_FUNC(bdf), offset);
if (!plda_pcie_addr_valid(priv, bdf))
return -ENODEV;
@@ -71,6 +71,7 @@
(offset == PCI_PRIMARY_BUS && size != PCI_SIZE_8))) {
priv->sec_busno =
((offset == PCI_PRIMARY_BUS) ? (value >> 8) : value) & 0xff;
+ priv->sec_busno += dev_seq(udev);
debug("Secondary bus number was changed to %d\n",
priv->sec_busno);
}