brcm63xx: add kernel 4.9 support

Add support for kernel 4.9 based on the more upstream comformant
partition defintions. Increases compressed kernel size by ~95k
compared to 4.4.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-4.9/371_add_of_node_available_by_alias.patch b/target/linux/brcm63xx/patches-4.9/371_add_of_node_available_by_alias.patch
new file mode 100644
index 0000000000..dbe1a41480
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.9/371_add_of_node_available_by_alias.patch
@@ -0,0 +1,37 @@
+--- a/arch/mips/bcm63xx/boards/board_common.c
++++ b/arch/mips/bcm63xx/boards/board_common.c
+@@ -144,6 +144,18 @@ void __init device_tree_init(void)
+ 
+ 	unflatten_and_copy_device_tree();
+ }
++
++int board_of_device_present(const char *alias)
++{
++	bool present;
++	struct device_node *np;
++
++	np = of_find_node_by_path(alias);
++	present = of_device_is_available(np);
++	of_node_put(np);
++
++	return present;
++}
+ #endif
+ 
+ static struct gpio_led_platform_data bcm63xx_led_data;
+--- a/arch/mips/bcm63xx/boards/board_common.h
++++ b/arch/mips/bcm63xx/boards/board_common.h
+@@ -15,4 +15,13 @@ void board_bcm963xx_init(void);
+ static inline void board_bcm963xx_init(void) { }
+ #endif
+ 
++#if defined(CONFIG_OF)
++int board_of_device_present(const char *alias);
++#else
++static inline void board_of_device_present(const char *alias)
++{
++	return 0;
++}
++#endif
++
+ #endif /* __BOARD_COMMON_H */