# Add suffix from ARM_THUMB_SUFFIX only if after all this we still set ARM_M_OPT to thumb
ARMPKGSFX_THUMB .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '${ARM_THUMB_SUFFIX}', '', d) if d.getVar('ARM_M_OPT', True) == 'thumb' else ''}"
-# Whether to compile with code to allow interworking between the two
-# instruction sets. This allows thumb code to be executed on a primarily
-# arm system and vice versa. It is strongly recommended that DISTROs not
-# turn this off - the actual cost is very small.
-TUNEVALID[no-thumb-interwork] = "Disable mixing of thumb and ARM functions"
-THUMB_TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'no-thumb-interwork', ' -mno-thumb-interwork', ' -mthumb-interwork', d)}"
-TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', ' ${THUMB_TUNE_CCARGS}', '', d)}"
-
# what about armv7m devices which don't support -marm (e.g. Cortex-M3)?
TARGET_CC_KERNEL_ARCH += "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '-mno-thumb-interwork -marm', '', d)}"