Its reported that amd-pmf driver when built with config which does not have ACPI_PLATFORM_PROFILE set/enabled throws a undefined references to symbols used. --- ld: vmlinux.o: in function `amd_pmf_init_sps': /work/lnx/next/linux-next-20220818/X64/../drivers/platform/x86/amd/pmf/sps.c:132: undefined reference to `platform_profile_register' ld: vmlinux.o: in function `amd_pmf_deinit_sps': /work/lnx/next/linux-next-20220818/X64/../drivers/platform/x86/amd/pmf/sps.c:142: undefined reference to `platform_profile_remove' --- Fix it by adding a "select" to the Kconfig. Fixes: da5ce22df5fe ("platform/x86/amd/pmf: Add support for PMF core layer") Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> --- Based on "review-hans" branch. drivers/platform/x86/amd/pmf/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/x86/amd/pmf/Kconfig b/drivers/platform/x86/amd/pmf/Kconfig index e65ffa52229b..c375498c4071 100644 --- a/drivers/platform/x86/amd/pmf/Kconfig +++ b/drivers/platform/x86/amd/pmf/Kconfig @@ -6,6 +6,7 @@ config AMD_PMF tristate "AMD Platform Management Framework" depends on ACPI && PCI + select ACPI_PLATFORM_PROFILE help This driver provides support for the AMD Platform Management Framework. The goal is to enhance end user experience by making AMD PCs smarter, -- 2.25.1