PCI: imx6: Add IMX8MM_EP and IMX8MP_EP fixed 256-byte BAR 4 in epc_features

commit 399444a87acdea5d21c218bc8e9b621fea1cd218 upstream.

For IMX8MM_EP and IMX8MP_EP, add fixed 256-byte BAR 4 and reserved BAR 5
in imx8m_pcie_epc_features.

Fixes: 75c2f26da03f ("PCI: imx6: Add i.MX PCIe EP mode support")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
[bhelgaas: add details in subject]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250708091003.2582846-3-hongxing.zhu@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 3b24fed3177de894fbb4f4b91ab91825328a1568..2aded3ed582a1de9ef7f3cead0ec28b2ec683bab 100644 (file)
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1097,6 +1097,8 @@ static const struct pci_epc_features imx8m_pcie_epc_features = {
        .msix_capable = false,
        .bar[BAR_1] = { .type = BAR_RESERVED, },
        .bar[BAR_3] = { .type = BAR_RESERVED, },
+       .bar[BAR_4] = { .type = BAR_FIXED, .fixed_size = SZ_256, },
+       .bar[BAR_5] = { .type = BAR_RESERVED, },
        .align = SZ_64K,
 };