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192.168.1.100 / T108 / c8c95bbfb63cd52cb22cbf538f33b9fc96a99ee3 / . / target / linux / generic / hack-5.4 / 259-regmap_dynamic.patch
blob: 812e182467118db132c2331439c292d48ee7d3d3 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +0800[diff] [blame]1From 811d9e2268a62b830cfe93cd8bc929afcb8b198b Mon Sep 17 00:00:00 2001
2From: Felix Fietkau <nbd@nbd.name>
3Date: Sat, 15 Jul 2017 21:12:38 +0200
4Subject: kernel: move regmap bloat out of the kernel image if it is only being used in modules
5
6lede-commit: 96f39119815028073583e4fca3a9c5fe9141e998
7Signed-off-by: Felix Fietkau <nbd@nbd.name>
8---
9 drivers/base/regmap/Kconfig | 15 ++++++++++-----
10 drivers/base/regmap/Makefile | 12 ++++++++----
11 drivers/base/regmap/regmap.c | 3 +++
12 include/linux/regmap.h | 2 +-
13 4 files changed, 22 insertions(+), 10 deletions(-)
14
15--- a/drivers/base/regmap/Kconfig
16+++ b/drivers/base/regmap/Kconfig
17@@ -4,9 +4,8 @@
18 # subsystems should select the appropriate symbols.
19
20 config REGMAP
21- default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SCCB || REGMAP_I3C)
22 select IRQ_DOMAIN if REGMAP_IRQ
23- bool
24+ tristate
25
26 config REGCACHE_COMPRESSED
27 select LZO_COMPRESS
28@@ -18,38 +17,49 @@ config REGMAP_AC97
29
30 config REGMAP_I2C
31 tristate
32+ select REGMAP
33 depends on I2C
34
35 config REGMAP_SLIMBUS
36 tristate
37+ select REGMAP
38 depends on SLIMBUS
39
40 config REGMAP_SPI
41 tristate
42+ select REGMAP
43+ depends on SPI_MASTER
44 depends on SPI
45
46 config REGMAP_SPMI
47 tristate
48+ select REGMAP
49 depends on SPMI
50
51 config REGMAP_W1
52 tristate
53+ select REGMAP
54 depends on W1
55
56 config REGMAP_MMIO
57 tristate
58+ select REGMAP
59
60 config REGMAP_IRQ
61 bool
62+ select REGMAP
63
64 config REGMAP_SOUNDWIRE
65 tristate
66+ select REGMAP
67 depends on SOUNDWIRE
68
69 config REGMAP_SCCB
70 tristate
71+ select REGMAP
72 depends on I2C
73
74 config REGMAP_I3C
75 tristate
76+ select REGMAP
77 depends on I3C
78--- a/drivers/base/regmap/Makefile
79+++ b/drivers/base/regmap/Makefile
80@@ -2,10 +2,14 @@
81 # For include/trace/define_trace.h to include trace.h
82 CFLAGS_regmap.o := -I$(src)
83
84-obj-$(CONFIG_REGMAP) += regmap.o regcache.o
85-obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-flat.o
86-obj-$(CONFIG_REGCACHE_COMPRESSED) += regcache-lzo.o
87-obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
88+regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-flat.o
89+ifdef CONFIG_DEBUG_FS
90+regmap-core-objs += regmap-debugfs.o
91+endif
92+ifdef CONFIG_REGCACHE_COMPRESSED
93+regmap-core-objs += regcache-lzo.o
94+endif
95+obj-$(CONFIG_REGMAP) += regmap-core.o
96 obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
97 obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
98 obj-$(CONFIG_REGMAP_SLIMBUS) += regmap-slimbus.o
99--- a/drivers/base/regmap/regmap.c
100+++ b/drivers/base/regmap/regmap.c
101@@ -9,6 +9,7 @@
102 #include <linux/device.h>
103 #include <linux/slab.h>
104 #include <linux/export.h>
105+#include <linux/module.h>
106 #include <linux/mutex.h>
107 #include <linux/err.h>
108 #include <linux/of.h>
109@@ -3118,3 +3119,5 @@ static int __init regmap_initcall(void)
110 return 0;
111 }
112 postcore_initcall(regmap_initcall);
113+
114+MODULE_LICENSE("GPL");
115--- a/include/linux/regmap.h
116+++ b/include/linux/regmap.h
117@@ -185,7 +185,7 @@ struct reg_sequence {
118 pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
119 })
120
121-#ifdef CONFIG_REGMAP
122+#if IS_REACHABLE(CONFIG_REGMAP)
123
124 enum regmap_endian {
125 /* Unspecified -> 0 -> Backwards compatible default */