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The resulting cpu addr must be correcly aligned with the ATU required alignment. Signed-off-by: Christian Bruel --- drivers/pci/controller/dwc/pcie-stm32-ep.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-stm32-ep.c b/drivers/pci/contr= oller/dwc/pcie-stm32-ep.c index 3400c7cd2d88a279c49ef36a99fc7537c381c384..004033ed60a8917438b08f59419= 08405c339716a 100644 --- a/drivers/pci/controller/dwc/pcie-stm32-ep.c +++ b/drivers/pci/controller/dwc/pcie-stm32-ep.c @@ -237,6 +237,8 @@ static int stm32_add_pcie_ep(struct stm32_pcie *stm32_p= cie, =20 ep->ops =3D &stm32_pcie_ep_ops; =20 + ep->page_size =3D stm32_pcie_epc_features.align; + ret =3D dw_pcie_ep_init(ep); if (ret) { dev_err(dev, "Failed to initialize ep: %d\n", ret); --- base-commit: 9c557fdcc2f5fab8541dbba9b08c222f89009f09 change-id: 20251113-atu_align_ep-7b8dda52ee89 Best regards, --=20 Christian Bruel