openwrtv4/target/linux/generic/hack-4.9/259-regmap_dynamic.patch
John Crispin 74d00a8c38 kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>
2017-08-05 08:46:36 +02:00

115 lines
3.2 KiB
Diff

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(-)
diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig
index 48b3fc1ee514..c4cb7592392b 100644
--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
@@ -3,9 +3,8 @@
# subsystems should select the appropriate symbols.
config REGMAP
- default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ)
select IRQ_DOMAIN if REGMAP_IRQ
- bool
+ tristate "Regmap"
config REGCACHE_COMPRESSED
select LZO_COMPRESS
@@ -16,19 +15,25 @@ 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_MMIO
- tristate
+ tristate "Regmap MMIO"
+ select REGMAP
config REGMAP_IRQ
+ select REGMAP
bool
diff --git a/drivers/base/regmap/Makefile b/drivers/base/regmap/Makefile
index 6271ea9b758a..f23c58a050aa 100644
--- a/drivers/base/regmap/Makefile
+++ b/drivers/base/regmap/Makefile
@@ -1,10 +1,14 @@
# 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
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index ae63bb0875ea..2ac56b4f525e 100644
--- 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>
@@ -2913,3 +2914,5 @@ static int __init regmap_initcall(void)
return 0;
}
postcore_initcall(regmap_initcall);
+
+MODULE_LICENSE("GPL");
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index f6673132431d..95c7db29448b 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -135,7 +135,7 @@ struct reg_sequence {
pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
})
-#ifdef CONFIG_REGMAP
+#if IS_ENABLED(CONFIG_REGMAP)
enum regmap_endian {
/* Unspecified -> 0 -> Backwards compatible default */
--
2.11.0