If kernel build configuration has enabled CONFIG_PM and unset CONFIG_PM_SLEEP, then intel-lpss-pci.c and intel-lpss-acpi.c can not be compiled due to a missing INTEL_LPSS_SLEEP_PM_OPS macro declaration:
drivers/mfd/intel-lpss-pci.c:63:8: error: undefined identifier 'INTEL_LPSS_SLEEP_PM_OPS' drivers/mfd/intel-lpss-pci.c:63:58: error: ‘INTEL_LPSS_SLEEP_PM_OPS’ undeclared here (not in a function) Fixes: d35dbf0dbaa7 ("mfd: Add support for Intel Sunrisepoint LPSS devices") Signed-off-by: Vladimir Zapolskiy <vladimir_zapols...@mentor.com> --- drivers/mfd/intel-lpss.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h index 764dc0d..0dcea9e 100644 --- a/drivers/mfd/intel-lpss.h +++ b/drivers/mfd/intel-lpss.h @@ -44,6 +44,8 @@ int intel_lpss_resume(struct device *dev); .thaw = intel_lpss_resume, \ .poweroff = intel_lpss_suspend, \ .restore = intel_lpss_resume, +#else +#define INTEL_LPSS_SLEEP_PM_OPS #endif #define INTEL_LPSS_RUNTIME_PM_OPS \ -- 2.5.0