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From 811d9e2268a62b830cfe93cd8bc929afcb8b198b Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 15 Jul 2017 21:12:38 +0200
Subject: kernel: move regmap bloat out of the kernel image if it is only being used in modules
lede-commit: 96f39119815028073583e4fca3a9c5fe9141e998
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/base/regmap/Kconfig | 15 ++++++++++-----
drivers/base/regmap/Makefile | 12 ++++++++----
drivers/base/regmap/regmap.c | 3 +++
include/linux/regmap.h | 2 +-
4 files changed, 22 insertions(+), 10 deletions(-)
--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
@@ -4,8 +4,7 @@
# subsystems should select the appropriate symbols.
config REGMAP
- 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 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
tristate
config REGMAP_I2C
+ select REGMAP
tristate
depends on I2C
config REGMAP_SLIMBUS
+ select REGMAP
tristate
depends on SLIMBUS
config REGMAP_SPI
+ select REGMAP
tristate
depends on SPI
config REGMAP_SPMI
+ select REGMAP
tristate
depends on SPMI
config REGMAP_W1
+ select REGMAP
tristate
depends on W1
config REGMAP_MDIO
+ select REGMAP
tristate
config REGMAP_MMIO
+ select REGMAP
tristate
config REGMAP_IRQ
+ select REGMAP
bool
config REGMAP_RAM
+ select REGMAP
tristate
config REGMAP_SOUNDWIRE
+ select REGMAP
tristate
depends on SOUNDWIRE
config REGMAP_SOUNDWIRE_MBQ
+ select REGMAP
tristate
depends on SOUNDWIRE
config REGMAP_SCCB
+ select REGMAP
tristate
depends on I2C
config REGMAP_I3C
+ select REGMAP
tristate
depends on I3C
config REGMAP_SPI_AVMM
+ 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
@@ -2,9 +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-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-flat.o regcache-maple.o
-obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.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
+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
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -9,6 +9,7 @@
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/err.h>
#include <linux/property.h>
@@ -3433,3 +3434,5 @@ static int __init regmap_initcall(void)
return 0;
}
postcore_initcall(regmap_initcall);
+
+MODULE_LICENSE("GPL");
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -197,7 +197,7 @@ struct reg_sequence {
__ret ?: __tmp; \
})
-#ifdef CONFIG_REGMAP
+#if IS_REACHABLE(CONFIG_REGMAP)
enum regmap_endian {
/* Unspecified -> 0 -> Backwards compatible default */
|