259-regmap_dynamic.patch 3.1 KB

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