Hi Chen, 在 2025/9/10 10:08, Chen Wang 写道:
+config PCIE_SG2042_HOST + tristate "Sophgo SG2042 PCIe controller (host mode)" + depends on OF && (ARCH_SOPHGO || COMPILE_TEST) + select PCIE_CADENCE_HOST + help + Say Y here if you want to support the Sophgo SG2042 PCIe platform + controller in host mode. Sophgo SG2042 PCIe controller uses Cadence + PCIe core. +
While build testing this patch against v6.16.6, PCIE_SG2042_HOST is set to "M", the kernel would fail to build during MODPOST:
ERROR: modpost: "cdns_pcie_pm_ops" [drivers/pci/controller/cadence/pcie-sg2042.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1 make[1]: *** [[...]/linux-6.16.6/Makefile:1953: modpost] Error 2 make: *** [Makefile:248: __sub-make] Error 2 Best Regards, Mingcong Bai