OpenWrt
| /branches/18.06.1/target/linux/brcm63xx/patches-4.14/371_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 |
| @@ -143,6 +143,18 @@ 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 */ |