[PATCH v2 3/7] PCI: sg2042: Add Sophgo SG2042 PCIe driver

[Mingcong Bai]

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