Several functions in omap3/board.c are only used in that file, and two of them are only called when certain conditions are true in an ifdef. Rearange these functions to also be inside the ifdef and make them static.
Before:
text data bss dec hex filename 49998 1057 1888 52943 cecf spl/u-boot-spl 605972 29244 53020 688236 a806c u-boot
After Patch 3/3: text data bss dec hex filename 605744 29244 52996 687984 a7f70 u-boot 49918 1057 1888 52863 ce7f spl/u-boot-spl
Adam Ford (3): arm: omap3: Make try_unlock_memory() static arm: omap3: Make secureworld_exit() static arm: omap3: Make secure_unlock_mem() static
arch/arm/include/asm/arch-omap3/sys_proto.h | 2 -- arch/arm/mach-omap2/omap3/board.c | 21 +++++++++++---------- 2 files changed, 11 insertions(+), 12 deletions(-)