259-regmap_dynamic.patch 3.0 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)
  19. select IRQ_DOMAIN if REGMAP_IRQ
  20. - bool
  21. + tristate "Regmap"
  22. config REGCACHE_COMPRESSED
  23. select LZO_COMPRESS
  24. @@ -17,7 +16,8 @@ config REGMAP_AC97
  25. tristate
  26. config REGMAP_I2C
  27. - tristate
  28. + tristate "Regmap I2C"
  29. + select REGMAP
  30. depends on I2C
  31. config REGMAP_SLIMBUS
  32. @@ -25,21 +25,27 @@ config REGMAP_SLIMBUS
  33. depends on SLIMBUS
  34. config REGMAP_SPI
  35. - tristate
  36. + tristate "Regmap SPI"
  37. + select REGMAP
  38. + depends on SPI_MASTER
  39. depends on SPI
  40. config REGMAP_SPMI
  41. + select REGMAP
  42. tristate
  43. depends on SPMI
  44. config REGMAP_W1
  45. + select REGMAP
  46. tristate
  47. depends on W1
  48. config REGMAP_MMIO
  49. - tristate
  50. + tristate "Regmap MMIO"
  51. + select REGMAP
  52. config REGMAP_IRQ
  53. + select REGMAP
  54. bool
  55. config REGMAP_SOUNDWIRE
  56. --- a/drivers/base/regmap/Makefile
  57. +++ b/drivers/base/regmap/Makefile
  58. @@ -2,10 +2,14 @@
  59. # For include/trace/define_trace.h to include trace.h
  60. CFLAGS_regmap.o := -I$(src)
  61. -obj-$(CONFIG_REGMAP) += regmap.o regcache.o
  62. -obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-flat.o
  63. -obj-$(CONFIG_REGCACHE_COMPRESSED) += regcache-lzo.o
  64. -obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
  65. +regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-flat.o
  66. +ifdef CONFIG_DEBUG_FS
  67. +regmap-core-objs += regmap-debugfs.o
  68. +endif
  69. +ifdef CONFIG_REGCACHE_COMPRESSED
  70. +regmap-core-objs += regcache-lzo.o
  71. +endif
  72. +obj-$(CONFIG_REGMAP) += regmap-core.o
  73. obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
  74. obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
  75. obj-$(CONFIG_REGMAP_SLIMBUS) += regmap-slimbus.o
  76. --- a/drivers/base/regmap/regmap.c
  77. +++ b/drivers/base/regmap/regmap.c
  78. @@ -13,6 +13,7 @@
  79. #include <linux/device.h>
  80. #include <linux/slab.h>
  81. #include <linux/export.h>
  82. +#include <linux/module.h>
  83. #include <linux/mutex.h>
  84. #include <linux/err.h>
  85. #include <linux/of.h>
  86. @@ -3037,3 +3038,5 @@ static int __init regmap_initcall(void)
  87. return 0;
  88. }
  89. postcore_initcall(regmap_initcall);
  90. +
  91. +MODULE_LICENSE("GPL");
  92. --- a/include/linux/regmap.h
  93. +++ b/include/linux/regmap.h
  94. @@ -187,7 +187,7 @@ struct reg_sequence {
  95. pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
  96. })
  97. -#ifdef CONFIG_REGMAP
  98. +#if IS_REACHABLE(CONFIG_REGMAP)
  99. enum regmap_endian {
  100. /* Unspecified -> 0 -> Backwards compatible default */