Commit 2c64e9cb authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Torvalds

lib: Move mathematic helpers to separate folder

For better maintenance and expansion move the mathematic helpers to the
separate folder.

No functional change intended.

Note, the int_sqrt() is not used as a part of lib, so, moved to regular
obj.

Link: http://lkml.kernel.org/r/20190323172531.80025-1-andriy.shevchenko@linux.intel.comSigned-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Ray Jui <rjui@broadcom.com>
[mchehab+samsung@kernel.org: fix broken doc references for div64.c and gcd.c]
  Link: http://lkml.kernel.org/r/734f49bae5d4052b3c25691dfefad59bea2e5843.1555580999.git.mchehab+samsung@kernel.orgSigned-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b5c56e0c
...@@ -147,10 +147,10 @@ Division Functions ...@@ -147,10 +147,10 @@ Division Functions
.. kernel-doc:: include/linux/math64.h .. kernel-doc:: include/linux/math64.h
:internal: :internal:
.. kernel-doc:: lib/div64.c .. kernel-doc:: lib/math/div64.c
:functions: div_s64_rem div64_u64_rem div64_u64 div64_s64 :functions: div_s64_rem div64_u64_rem div64_u64 div64_s64
.. kernel-doc:: lib/gcd.c .. kernel-doc:: lib/math/gcd.c
:export: :export:
UUID/GUID UUID/GUID
......
...@@ -46,9 +46,6 @@ config HAVE_ARCH_BITREVERSE ...@@ -46,9 +46,6 @@ config HAVE_ARCH_BITREVERSE
This option enables the use of hardware bit-reversal instructions on This option enables the use of hardware bit-reversal instructions on
architectures which support such operations. architectures which support such operations.
config RATIONAL
bool
config GENERIC_STRNCPY_FROM_USER config GENERIC_STRNCPY_FROM_USER
bool bool
...@@ -61,6 +58,8 @@ config GENERIC_NET_UTILS ...@@ -61,6 +58,8 @@ config GENERIC_NET_UTILS
config GENERIC_FIND_FIRST_BIT config GENERIC_FIND_FIRST_BIT
bool bool
source "lib/math/Kconfig"
config NO_GENERIC_PCI_IOPORT_MAP config NO_GENERIC_PCI_IOPORT_MAP
bool bool
...@@ -531,12 +530,6 @@ config LRU_CACHE ...@@ -531,12 +530,6 @@ config LRU_CACHE
config CLZ_TAB config CLZ_TAB
bool bool
config CORDIC
tristate "CORDIC algorithm"
help
This option provides an implementation of the CORDIC algorithm;
calculations are in fixed point. Module will be called cordic.
config DDR config DDR
bool "JEDEC DDR data" bool "JEDEC DDR data"
help help
...@@ -628,9 +621,6 @@ config SBITMAP ...@@ -628,9 +621,6 @@ config SBITMAP
config PARMAN config PARMAN
tristate "parman" if COMPILE_TEST tristate "parman" if COMPILE_TEST
config PRIME_NUMBERS
tristate
config STRING_SELFTEST config STRING_SELFTEST
tristate "Test string functions" tristate "Test string functions"
......
...@@ -30,7 +30,7 @@ endif ...@@ -30,7 +30,7 @@ endif
lib-y := ctype.o string.o vsprintf.o cmdline.o \ lib-y := ctype.o string.o vsprintf.o cmdline.o \
rbtree.o radix-tree.o timerqueue.o xarray.o \ rbtree.o radix-tree.o timerqueue.o xarray.o \
idr.o int_sqrt.o extable.o \ idr.o extable.o \
sha1.o chacha.o irq_regs.o argv_split.o \ sha1.o chacha.o irq_regs.o argv_split.o \
flex_proportions.o ratelimit.o show_mem.o \ flex_proportions.o ratelimit.o show_mem.o \
is_single_threaded.o plist.o decompress.o kobject_uevent.o \ is_single_threaded.o plist.o decompress.o kobject_uevent.o \
...@@ -44,11 +44,11 @@ lib-$(CONFIG_SMP) += cpumask.o ...@@ -44,11 +44,11 @@ lib-$(CONFIG_SMP) += cpumask.o
lib-y += kobject.o klist.o lib-y += kobject.o klist.o
obj-y += lockref.o obj-y += lockref.o
obj-y += bcd.o div64.o sort.o parser.o debug_locks.o random32.o \ obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \ bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
gcd.o lcm.o list_sort.o uuid.o iov_iter.o clz_ctz.o \ list_sort.o uuid.o iov_iter.o clz_ctz.o \
bsearch.o find_bit.o llist.o memweight.o kfifo.o \ bsearch.o find_bit.o llist.o memweight.o kfifo.o \
percpu-refcount.o rhashtable.o reciprocal_div.o \ percpu-refcount.o rhashtable.o \
once.o refcount.o usercopy.o errseq.o bucket_locks.o \ once.o refcount.o usercopy.o errseq.o bucket_locks.o \
generic-radix-tree.o generic-radix-tree.o
obj-$(CONFIG_STRING_SELFTEST) += test_string.o obj-$(CONFIG_STRING_SELFTEST) += test_string.o
...@@ -102,6 +102,8 @@ endif ...@@ -102,6 +102,8 @@ endif
obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any) CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
obj-y += math/
obj-$(CONFIG_GENERIC_IOMAP) += iomap.o obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
...@@ -121,7 +123,6 @@ obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o ...@@ -121,7 +123,6 @@ obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
obj-$(CONFIG_BITREVERSE) += bitrev.o obj-$(CONFIG_BITREVERSE) += bitrev.o
obj-$(CONFIG_PACKING) += packing.o obj-$(CONFIG_PACKING) += packing.o
obj-$(CONFIG_RATIONAL) += rational.o
obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
obj-$(CONFIG_CRC16) += crc16.o obj-$(CONFIG_CRC16) += crc16.o
obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
...@@ -195,8 +196,6 @@ obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o ...@@ -195,8 +196,6 @@ obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
obj-$(CONFIG_CORDIC) += cordic.o
obj-$(CONFIG_DQL) += dynamic_queue_limits.o obj-$(CONFIG_DQL) += dynamic_queue_limits.o
obj-$(CONFIG_GLOB) += glob.o obj-$(CONFIG_GLOB) += glob.o
...@@ -238,8 +237,6 @@ obj-$(CONFIG_ASN1) += asn1_decoder.o ...@@ -238,8 +237,6 @@ obj-$(CONFIG_ASN1) += asn1_decoder.o
obj-$(CONFIG_FONT_SUPPORT) += fonts/ obj-$(CONFIG_FONT_SUPPORT) += fonts/
obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o
hostprogs-y := gen_crc32table hostprogs-y := gen_crc32table
hostprogs-y += gen_crc64table hostprogs-y += gen_crc64table
clean-files := crc32table.h clean-files := crc32table.h
......
config CORDIC
tristate "CORDIC algorithm"
help
This option provides an implementation of the CORDIC algorithm;
calculations are in fixed point. Module will be called cordic.
config PRIME_NUMBERS
tristate
config RATIONAL
bool
obj-y += div64.o gcd.o lcm.o int_sqrt.o reciprocal_div.o
obj-$(CONFIG_CORDIC) += cordic.o
obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o
obj-$(CONFIG_RATIONAL) += rational.o
...@@ -10,7 +10,7 @@ ...@@ -10,7 +10,7 @@
* Generic C version of 64bit/32bit division and modulo, with * Generic C version of 64bit/32bit division and modulo, with
* 64bit result and 32bit remainder. * 64bit result and 32bit remainder.
* *
* The fast case for (n>>32 == 0) is handled inline by do_div(). * The fast case for (n>>32 == 0) is handled inline by do_div().
* *
* Code generated for this function might be very inefficient * Code generated for this function might be very inefficient
* for some CPUs. __div64_32() can be overridden by linking arch-specific * for some CPUs. __div64_32() can be overridden by linking arch-specific
......
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