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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
- @@ -4,9 +4,8 @@
- # 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)
- select IRQ_DOMAIN if REGMAP_IRQ
- - bool
- + tristate
-
- config REGCACHE_COMPRESSED
- select LZO_COMPRESS
- @@ -18,22 +17,29 @@ config REGMAP_AC97
-
- config REGMAP_I2C
- tristate
- + select REGMAP
- depends on I2C
-
- config REGMAP_SPI
- tristate
- + select REGMAP
- + depends on SPI_MASTER
- depends on SPI
-
- config REGMAP_SPMI
- + select REGMAP
- tristate
- depends on SPMI
-
- config REGMAP_W1
- + select REGMAP
- tristate
- depends on W1
-
- config REGMAP_MMIO
- tristate
- + select REGMAP
-
- config REGMAP_IRQ
- + select REGMAP
- bool
- --- a/drivers/base/regmap/Makefile
- +++ b/drivers/base/regmap/Makefile
- @@ -2,10 +2,14 @@
- # 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-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
- +regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-flat.o
- +ifdef CONFIG_DEBUG_FS
- +regmap-core-objs += regmap-debugfs.o
- +endif
- +ifdef CONFIG_REGCACHE_COMPRESSED
- +regmap-core-objs += regcache-lzo.o
- +endif
- +obj-$(CONFIG_REGMAP) += regmap-core.o
- obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
- obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
- obj-$(CONFIG_REGMAP_SPI) += regmap-spi.o
- --- a/drivers/base/regmap/regmap.c
- +++ b/drivers/base/regmap/regmap.c
- @@ -13,6 +13,7 @@
- #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/of.h>
- @@ -2928,3 +2929,5 @@ 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
- @@ -139,7 +139,7 @@ struct reg_sequence {
- pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
- })
-
- -#ifdef CONFIG_REGMAP
- +#if IS_REACHABLE(CONFIG_REGMAP)
-
- enum regmap_endian {
- /* Unspecified -> 0 -> Backwards compatible default */
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