generic: add preliminary 3.19 support

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 44126

target/linux/generic/patches-3.19/259-regmap_dynamic.patch

@@ -0,0 +1,83 @@
+--- a/drivers/base/regmap/Kconfig
++++ b/drivers/base/regmap/Kconfig
+@@ -3,29 +3,35 @@
+ # subsystems should select the appropriate symbols.
+ 
+ config REGMAP
+-	default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ)
+ 	select LZO_COMPRESS
+ 	select LZO_DECOMPRESS
+ 	select IRQ_DOMAIN if REGMAP_IRQ
+-	bool
++	tristate "Regmap"
+ 
+ config REGMAP_AC97
++	select REGMAP
+ 	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
++	select REGMAP
+ 	tristate
+ 
+ config REGMAP_IRQ
++	select REGMAP
+ 	bool
+--- a/include/linux/regmap.h
++++ b/include/linux/regmap.h
+@@ -50,7 +50,7 @@ struct reg_default {
+ 	unsigned int def;
+ };
+ 
+-#ifdef CONFIG_REGMAP
++#if IS_ENABLED(CONFIG_REGMAP)
+ 
+ enum regmap_endian {
+ 	/* Unspecified -> 0 -> Backwards compatible default */
+--- a/drivers/base/regmap/Makefile
++++ b/drivers/base/regmap/Makefile
+@@ -1,6 +1,8 @@
+-obj-$(CONFIG_REGMAP) += regmap.o regcache.o
+-obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-lzo.o regcache-flat.o
+-obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
++regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-lzo.o regcache-flat.o
++ifdef CONFIG_DEBUG_FS
++regmap-core-objs += regmap-debugfs.o
++endif
++obj-$(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>
+@@ -2635,3 +2636,5 @@ static int __init regmap_initcall(void)
+ 	return 0;
+ }
+ postcore_initcall(regmap_initcall);
++
++MODULE_LICENSE("GPL");