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authorJonas Gorski <jogo@openwrt.org>2014-08-11 11:37:01 +0000
committerJonas Gorski <jogo@openwrt.org>2014-08-11 11:37:01 +0000
commit9c6287d6a14b7f7105e4b61774c5310cb96489c3 (patch)
tree9d73aef68371873277ac1764244d0977f0661029 /target/linux/brcm63xx/patches-3.14/371_add_of_node_available_by_alias.patch
parent79057c72551647fdb5ebaac28eccd6b21e28ddca (diff)
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brcm63xx: add support for registering parallel flash through dtb
Add the required nodes to the dtsi files and code to prevent double registration from the board support code. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 42123
Diffstat (limited to 'target/linux/brcm63xx/patches-3.14/371_add_of_node_available_by_alias.patch')
-rw-r--r--target/linux/brcm63xx/patches-3.14/371_add_of_node_available_by_alias.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.14/371_add_of_node_available_by_alias.patch b/target/linux/brcm63xx/patches-3.14/371_add_of_node_available_by_alias.patch
new file mode 100644
index 0000000..99d778d
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.14/371_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
+@@ -147,6 +147,18 @@ 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 */