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Merge branch 'pci/controller/cadence'

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- Configure endpoint BAR to be 64-bit if the PCI_BASE_ADDRESS_MEM_TYPE_64
  flag is set instead of depending on the new BAR value itself (Niklas
  Cassel)

* pci/controller/cadence:
  PCI: cadence: Set a 64-bit BAR if requested
This commit is contained in:
Bjorn Helgaas 2024-05-16 18:14:12 -05:00
commit ec54985768
1 changed files with 1 additions and 4 deletions
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5
drivers/pci/controller/cadence/pcie-cadence-ep.c
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@ -99,14 +99,11 @@ static int cdns_pcie_ep_set_bar(struct pci_epc *epc, u8 fn, u8 vfn,
ctrl = CDNS_PCIE_LM_BAR_CFG_CTRL_IO_32BITS;
} else {
bool is_prefetch = !!(flags & PCI_BASE_ADDRESS_MEM_PREFETCH);
bool is_64bits = sz > SZ_2G;
bool is_64bits = !!(flags & PCI_BASE_ADDRESS_MEM_TYPE_64);
if (is_64bits && (bar & 1))
return -EINVAL;
if (is_64bits && !(flags & PCI_BASE_ADDRESS_MEM_TYPE_64))
epf_bar->flags |= PCI_BASE_ADDRESS_MEM_TYPE_64;
if (is_64bits && is_prefetch)
ctrl = CDNS_PCIE_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS;
else if (is_prefetch)