This patch solves: on x86_64: when CONFIG_ACPI is not enabled: ../drivers/mfd/intel_soc_pmic_bxtwc.c: In function 'bxtwc_probe': ../drivers/mfd/intel_soc_pmic_bxtwc.c:342:2: error: implicit declaration of function 'acpi_evaluate_integer' [-Werror=implicit-function-declaration] status = acpi_evaluate_integer(handle, "_HRV", NULL, &hrv); ^ Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/platform/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index c69bb70..744cb80 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -914,6 +914,7 @@ config PVPANIC config INTEL_PMC_IPC tristate "Intel PMC IPC Driver" + depends on ACPI ---help--- This driver provides support for PMC control on some Intel platforms. The PMC is an ARC processor which defines IPC commands for communication -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html