Observed the following build error:

arch/powerpc/platforms/pseries/dtl.c: In function ‘dtl_init’:
arch/powerpc/platforms/pseries/dtl.c:238: error: implicit declaration of
function ‘firmware_has_feature’
arch/powerpc/platforms/pseries/dtl.c:238: error: ‘FW_FEATURE_SPLPAR’
undeclared (first use in this function)
arch/powerpc/platforms/pseries/dtl.c:238: error: (Each undeclared
identifier is reported only once
arch/powerpc/platforms/pseries/dtl.c:238: error: for each function it
appears in.)
make[2]: *** [arch/powerpc/platforms/pseries/dtl.o] Error 1
make[1]: *** [arch/powerpc/platforms/pseries] Error 2
make: *** [arch/powerpc/platforms] Error 2

Regards--
Subrata