On 2021/12/15 10:13, Pingfan Liu wrote:
>
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index 18a2df431bfd..aa07ef5cab5f 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -972,7 +972,7 @@ static unsigned long chosen_node_offset = -FDT_ERR_NOTFOUND;
> * location from flat tree
> * @node: reference to node containing usable memory range location ('chosen')
> */
> -static void __init early_init_dt_check_for_usable_mem_range(void)
> +void __init early_init_dt_check_for_usable_mem_range(void)
Why do I see a parameter 'node'?
master:
drivers/of/fdt.c:976:static void __init early_init_dt_check_for_usable_mem_range(unsigned long node)
next:
drivers/of/fdt.c:980:static void __init early_init_dt_check_for_usable_mem_range(unsigned long node)
> {
> const __be32 *prop;
> int len;
> diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
> index cf48983d3c86..ad09beb6d13c 100644
> --- a/include/linux/of_fdt.h
> +++ b/include/linux/of_fdt.h
> @@ -62,6 +62,7 @@ extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
> int depth, void *data);
> extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
> int depth, void *data);
> +extern void early_init_dt_check_for_usable_mem_range(void);
> extern int early_init_dt_scan_chosen_stdout(void);
> extern void early_init_fdt_scan_reserved_mem(void);
> extern void early_init_fdt_reserve_self(void);
> @@ -86,6 +87,7 @@ extern void unflatten_and_copy_device_tree(void);
> extern void early_init_devtree(void *);
> extern void early_get_first_memblock_info(void *, phys_addr_t *);
> #else /* CONFIG_OF_EARLY_FLATTREE */
> +static inline void early_init_dt_check_for_usable_mem_range(void) {}
> static inline int early_init_dt_scan_chosen_stdout(void) { return -ENODEV; }
> static inline void early_init_fdt_scan_reserved_mem(void) {}
> static inline void early_init_fdt_reserve_self(void) {}
>
