arch/x86/kernel/tsc.c:660: warning: No description found for return value of 'native_calibrate_tsc'
arch/x86/kernel/tsc.c:907: warning: No description found for return value of 'native_calibrate_cpu_early'
arch/x86/kernel/tsc.c:925: warning: No description found for return value of 'native_calibrate_cpu'
arch/x86/kernel/tsc.c:660: warning: No description found for return value of 'native_calibrate_tsc'
arch/x86/kernel/tsc.c:907: warning: No description found for return value of 'native_calibrate_cpu_early'
arch/x86/kernel/tsc.c:925: warning: No description found for return value of 'native_calibrate_cpu'