--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
-@@ -4,10 +4,9 @@
+@@ -4,8 +4,7 @@
# subsystems should select the appropriate symbols.
config REGMAP
-- default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SOUNDWIRE || REGMAP_SOUNDWIRE_MBQ || REGMAP_SCCB || REGMAP_I3C || REGMAP_SPI_AVMM || REGMAP_MDIO)
- select IRQ_DOMAIN if REGMAP_IRQ
- select MDIO_BUS if REGMAP_MDIO
- bool
+- default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SOUNDWIRE || REGMAP_SOUNDWIRE_MBQ || REGMAP_SCCB || REGMAP_I3C || REGMAP_SPI_AVMM || REGMAP_MDIO || REGMAP_FSI)
+ tristate
+ select IRQ_DOMAIN if REGMAP_IRQ
+ select MDIO_BUS if REGMAP_MDIO
+ help
+@@ -19,7 +18,7 @@ config REGMAP
- config REGCACHE_COMPRESSED
- select LZO_COMPRESS
-@@ -15,53 +14,67 @@ config REGCACHE_COMPRESSED
- bool
+ config REGMAP_KUNIT
+ tristate "KUnit tests for regmap"
+- depends on KUNIT && REGMAP
++ depends on KUNIT
+ default KUNIT_ALL_TESTS
+ select REGMAP_RAM
+
+@@ -34,60 +33,76 @@ config REGMAP_BUILD
+ normally enabled.
config REGMAP_AC97
+ select REGMAP
+ select REGMAP
bool
+ config REGMAP_RAM
++ select REGMAP
+ tristate
+
config REGMAP_SOUNDWIRE
+ select REGMAP
tristate
+ select REGMAP
tristate
depends on SPI
+
+ config REGMAP_FSI
++ select REGMAP
+ tristate
+ depends on FSI
--- a/drivers/base/regmap/Makefile
+++ b/drivers/base/regmap/Makefile
-@@ -2,10 +2,14 @@
+@@ -2,9 +2,11 @@
# For include/trace/define_trace.h to include trace.h
CFLAGS_regmap.o := -I$(src)
-obj-$(CONFIG_REGMAP) += regmap.o regcache.o
--obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-flat.o
--obj-$(CONFIG_REGCACHE_COMPRESSED) += regcache-lzo.o
+-obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-flat.o regcache-maple.o
-obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
-+regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-flat.o
++regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-flat.o regcache-maple.o
+ifdef CONFIG_DEBUG_FS
+regmap-core-objs += regmap-debugfs.o
+endif
-+ifdef CONFIG_REGCACHE_COMPRESSED
-+regmap-core-objs += regcache-lzo.o
-+endif
+obj-$(CONFIG_REGMAP) += regmap-core.o
+ obj-$(CONFIG_REGMAP_KUNIT) += regmap-kunit.o
obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
- obj-$(CONFIG_REGMAP_SLIMBUS) += regmap-slimbus.o
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -9,6 +9,7 @@