diff options
Diffstat (limited to 'target/linux/generic/hack-4.19/259-regmap_dynamic.patch')
| -rw-r--r-- | target/linux/generic/hack-4.19/259-regmap_dynamic.patch | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/target/linux/generic/hack-4.19/259-regmap_dynamic.patch b/target/linux/generic/hack-4.19/259-regmap_dynamic.patch new file mode 100644 index 0000000000..458b7c35a1 --- /dev/null +++ b/target/linux/generic/hack-4.19/259-regmap_dynamic.patch @@ -0,0 +1,109 @@ +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 "Regmap" + + config REGCACHE_COMPRESSED + select LZO_COMPRESS +@@ -17,23 +16,30 @@ config REGMAP_AC97 + tristate + + config REGMAP_I2C +- tristate ++ tristate "Regmap I2C" ++ select REGMAP + depends on I2C + + config REGMAP_SPI +- tristate ++ tristate "Regmap SPI" ++ 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 ++ tristate "Regmap MMIO" ++ 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> +@@ -2926,3 +2927,5 @@ 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 */ |