# ========================================================================== # Cleaning up # ========================================================================== src := $(obj) PHONY := __clean __clean: include scripts/Kbuild.include # The filename Kbuild has precedence over Makefile kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) # Figure out what we need to build from the various variables # ========================================================================== __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) subdir-y += $(__subdir-y) __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) subdir-m += $(__subdir-m) __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) subdir- += $(__subdir-) # Subdirectories we need to descend into subdir-ym := $(sort $(subdir-y) $(subdir-m)) subdir-ymn := $(sort $(subdir-ym) $(subdir-)) # Add subdir path subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) # build a list of files to remove, usually relative to the current # directory __clean-files := $(extra-y) $(extra-m) $(extra-) \ $(always) $(targets) $(clean-files) \ $(host-progs) \ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ $(hostcxxlibs-y) $(hostcxxlibs-m) __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) # clean-files is given relative to the current directory, unless it # starts with $(objtree)/ (which means "./", so do not add "./" unless # you want to delete a file from the toplevel object directory). __clean-files := $(wildcard \ $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ $(filter $(objtree)/%, $(__clean-files))) # same as clean-files __clean-dirs := $(wildcard \ $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \ $(filter $(objtree)/%, $(clean-dirs))) # ========================================================================== quiet_cmd_clean = CLEAN $(obj) cmd_clean = rm -f $(__clean-files) quiet_cmd_cleandir = CLEAN $(__clean-dirs) cmd_cleandir = rm -rf $(__clean-dirs) __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),) +$(call cmd,clean) endif ifneq ($(strip $(__clean-dirs)),) +$(call cmd,cleandir) endif @: # =========================================================================== # Generic stuff # =========================================================================== # Descending # --------------------------------------------------------------------------- PHONY += $(subdir-ymn) $(subdir-ymn): $(Q)$(MAKE) $(clean)=$@ # Declare the contents of the .PHONY variable as phony. We keep that # information in a variable se we can use it in if_changed and friends. .PHONY: $(PHONY) ndings/iio
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authorJungseung Lee <js07.lee@samsung.com>2016-12-12 16:46:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 18:55:10 -0800
commit39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e (patch)
tree34df14285ce89f83a93f6053a897bcd371dc1e15 /include/dt-bindings/iio
parent30f74aa0854c2d5a331b507b14fe421ba4980511 (diff)
init: reduce rootwait polling interval time to 5ms
For several devices, the rootwait time is sensitive because it directly affects booting time. The polling interval of rootwait is currently 100ms. To save unnessesary waiting time, reduce the polling interval to 5 ms. [akpm@linux-foundation.org: remove used-once #define] Link: http://lkml.kernel.org/r/20161207060743.1728-1-js07.lee@samsung.com Signed-off-by: Jungseung Lee <js07.lee@samsung.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/dt-bindings/iio')