[PATCH v3 16/16] PCI: dwc: ultrarisc: Use cached PCIe capability offset

[Hans Zhang]

Inside .init we call dw_pcie_get_pcie_cap() to obtain the offset, because
the core has not yet cached it. Hardware is already enabled by the driver
before this point.

Signed-off-by: Hans Zhang <18255117159 at 163.com>
---
In pcie-ultrarisc, the call chain is:

  static const struct dw_pcie_host_ops ultrarisc_pcie_host_ops = {
    .init = ultrarisc_pcie_host_init,
  };
  ultrarisc_pcie_host_init()
    -> dw_pcie_find_capability()
---
 drivers/pci/controller/dwc/pcie-ultrarisc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/dwc/pcie-ultrarisc.c b/drivers/pci/controller/dwc/pcie-ultrarisc.c
index 6ee661ceff67..3f6e3ab0aa69 100644
--- a/drivers/pci/controller/dwc/pcie-ultrarisc.c
+++ b/drivers/pci/controller/dwc/pcie-ultrarisc.c
@@ -49,7 +49,7 @@ static int ultrarisc_pcie_host_init(struct dw_pcie_rp *pp)
 	FIELD_MODIFY(PORT_FLT_SF_MASK, &val, PORT_FLT_SF_VAL_64);
 	dw_pcie_writel_dbi(pci, PCIE_TIMER_CTRL_MAX_FUNC_NUM, val);
 
-	cap_exp = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);
+	cap_exp = dw_pcie_get_pcie_cap(pci);
 	val = dw_pcie_readl_dbi(pci, cap_exp + PCI_EXP_LNKCTL2);
 	FIELD_MODIFY(PCI_EXP_LNKCTL2_TLS, &val, PCI_EXP_LNKCTL2_TLS_16_0GT);
 	dw_pcie_writel_dbi(pci, cap_exp + PCI_EXP_LNKCTL2, val);
-- 
2.34.1