On Sat, Aug 01, 2015 at 04:42:27AM +0900, Masahiro Yamada wrote: > Kbuild descends into drivers/base/regmap/ only when CONFIG_REGMAP > is enabled. (see drivers/base/Makefile) > > $(CONFIG_REGMAP) in drivers/base/regmap/Makefile always evaluates > to 'y'.
> -obj-$(CONFIG_REGMAP) += regmap.o regcache.o > -obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-lzo.o regcache-flat.o > +obj-y += regmap.o regcache.o > +obj-y += regcache-rbtree.o regcache-lzo.o regcache-flat.o > obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o > obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o > obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o OTOH it does make the Makefile look a bit neater to have everything selected by config option... is there a practical cost here?
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