openwrt/target/linux/generic/hack-4.14/259-regmap_dynamic.patch
Hauke Mehrtens b3f95490b9 kernel: generic: Add kernel 4.14 support
This adds initial support for kernel 4.14 based on the patches for
kernel 4.9.

In the configuration I deactivated some of the new possible security
features like:
CONFIG_REFCOUNT_FULL
CONFIG_SLAB_FREELIST_HARDENED
CONFIG_SOFTLOCKUP_DETECTOR
CONFIG_WARN_ALL_UNSEEDED_RANDOM

And these overlay FS options are also deactivated:
CONFIG_OVERLAY_FS_INDEX
CONFIG_OVERLAY_FS_REDIRECT_DIR

I activated this:
CONFIG_FORTIFY_SOURCE
CONFIG_POSIX_TIMERS
CONFIG_SLAB_MERGE_DEFAULT
CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED

I am not sure if I did the porting correct for the following patches:
target/linux/generic/backport-4.14/020-backport_netfilter_rtcache.patch
target/linux/generic/hack-4.14/220-gc_sections.patch
target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch
target/linux/generic/pending-4.14/305-mips_module_reloc.patch
target/linux/generic/pending-4.14/611-netfilter_match_bypass_default_table.patch
target/linux/generic/pending-4.14/680-NET-skip-GRO-for-foreign-MAC-addresses.patch

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2017-12-16 22:11:19 +01:00

110 lines
2.8 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(-)
--- 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_ENABLED(CONFIG_REGMAP)
enum regmap_endian {
/* Unspecified -> 0 -> Backwards compatible default */