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 <[email protected]> --- 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
