[PATCH] of/fdt: Add extern prototype for early_init_dt_scan_chosen_serial()
From: Kevin Cernekee <hidden>
Date: 2014-10-19 08:11:34
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
The original commit that introduced this function (fb11ffe74c794a) indicated that calling it from the architecture code was one possible use case. Let's declare it in of_fdt.h to make it a public API. Signed-off-by: Kevin Cernekee <redacted> --- include/linux/of_fdt.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 0ff360d..5d233df 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h@@ -12,6 +12,7 @@ #ifndef _LINUX_OF_FDT_H #define _LINUX_OF_FDT_H +#include <linux/errno.h> #include <linux/types.h> #include <linux/init.h>
@@ -87,6 +88,13 @@ extern void early_init_devtree(void *); extern void early_get_first_memblock_info(void *, phys_addr_t *); extern u64 fdt_translate_address(const void *blob, int node_offset); extern void of_fdt_limit_memory(int limit); + +#if defined(CONFIG_SERIAL_EARLYCON) +extern int early_init_dt_scan_chosen_serial(void); +#else +static inline int early_init_dt_scan_chosen_serial(void) { return -ENOENT; } +#endif + #else /* CONFIG_OF_FLATTREE */ static inline void early_init_fdt_scan_reserved_mem(void) {} static inline const char *of_flat_dt_get_machine_name(void) { return NULL; }
--
2.1.1
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