[PATCH 6/7] fdt.c: Reorder unflatten_dt_node

[Grant Likely]

On Thu, Nov 18, 2010 at 03:55:01PM -0800, Stephen Neuendorffer wrote:
> Move unflatten_dt_node to be grouped with non-__init functions.
> 
> Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer at xilinx.com>

Merged, thanks.

g.

> ---
>  drivers/of/fdt.c |  218 +++++++++++++++++++++++++++---------------------------
>  1 files changed, 109 insertions(+), 109 deletions(-)
> 
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index a07fd1a..236a8c9 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -97,115 +97,6 @@ int of_fdt_is_compatible(struct boot_param_header *blob,
>  	return 0;
>  }
>  
> -/* Everything below here references initial_boot_params directly. */
> -int __initdata dt_root_addr_cells;
> -int __initdata dt_root_size_cells;
> -
> -struct boot_param_header *initial_boot_params;
> -
> -#ifdef CONFIG_EARLY_FLATTREE
> -
> -/**
> - * of_scan_flat_dt - scan flattened tree blob and call callback on each.
> - * @it: callback function
> - * @data: context data pointer
> - *
> - * This function is used to scan the flattened device-tree, it is
> - * used to extract the memory information at boot before we can
> - * unflatten the tree
> - */
> -int __init of_scan_flat_dt(int (*it)(unsigned long node,
> -				     const char *uname, int depth,
> -				     void *data),
> -			   void *data)
> -{
> -	unsigned long p = ((unsigned long)initial_boot_params) +
> -		be32_to_cpu(initial_boot_params->off_dt_struct);
> -	int rc = 0;
> -	int depth = -1;
> -
> -	do {
> -		u32 tag = be32_to_cpup((__be32 *)p);
> -		char *pathp;
> -
> -		p += 4;
> -		if (tag == OF_DT_END_NODE) {
> -			depth--;
> -			continue;
> -		}
> -		if (tag == OF_DT_NOP)
> -			continue;
> -		if (tag == OF_DT_END)
> -			break;
> -		if (tag == OF_DT_PROP) {
> -			u32 sz = be32_to_cpup((__be32 *)p);
> -			p += 8;
> -			if (be32_to_cpu(initial_boot_params->version) < 0x10)
> -				p = ALIGN(p, sz >= 8 ? 8 : 4);
> -			p += sz;
> -			p = ALIGN(p, 4);
> -			continue;
> -		}
> -		if (tag != OF_DT_BEGIN_NODE) {
> -			pr_err("Invalid tag %x in flat device tree!\n", tag);
> -			return -EINVAL;
> -		}
> -		depth++;
> -		pathp = (char *)p;
> -		p = ALIGN(p + strlen(pathp) + 1, 4);
> -		if ((*pathp) == '/') {
> -			char *lp, *np;
> -			for (lp = NULL, np = pathp; *np; np++)
> -				if ((*np) == '/')
> -					lp = np+1;
> -			if (lp != NULL)
> -				pathp = lp;
> -		}
> -		rc = it(p, pathp, depth, data);
> -		if (rc != 0)
> -			break;
> -	} while (1);
> -
> -	return rc;
> -}
> -
> -/**
> - * of_get_flat_dt_root - find the root node in the flat blob
> - */
> -unsigned long __init of_get_flat_dt_root(void)
> -{
> -	unsigned long p = ((unsigned long)initial_boot_params) +
> -		be32_to_cpu(initial_boot_params->off_dt_struct);
> -
> -	while (be32_to_cpup((__be32 *)p) == OF_DT_NOP)
> -		p += 4;
> -	BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE);
> -	p += 4;
> -	return ALIGN(p + strlen((char *)p) + 1, 4);
> -}
> -
> -/**
> - * of_get_flat_dt_prop - Given a node in the flat blob, return the property ptr
> - *
> - * This function can be used within scan_flattened_dt callback to get
> - * access to properties
> - */
> -void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
> -				 unsigned long *size)
> -{
> -	return of_fdt_get_property(initial_boot_params, node, name, size);
> -}
> -
> -/**
> - * of_flat_dt_is_compatible - Return true if given node has compat in compatible list
> - * @node: node to test
> - * @compat: compatible string to compare with compatible list.
> - */
> -int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
> -{
> -	return of_fdt_is_compatible(initial_boot_params, node, compat);
> -}
> -
>  static void *unflatten_dt_alloc(unsigned long *mem, unsigned long size,
>  				       unsigned long align)
>  {
> @@ -421,6 +312,115 @@ unsigned long unflatten_dt_node(struct boot_param_header *blob,
>  	return mem;
>  }
>  
> +/* Everything below here references initial_boot_params directly. */
> +int __initdata dt_root_addr_cells;
> +int __initdata dt_root_size_cells;
> +
> +struct boot_param_header *initial_boot_params;
> +
> +#ifdef CONFIG_EARLY_FLATTREE
> +
> +/**
> + * of_scan_flat_dt - scan flattened tree blob and call callback on each.
> + * @it: callback function
> + * @data: context data pointer
> + *
> + * This function is used to scan the flattened device-tree, it is
> + * used to extract the memory information at boot before we can
> + * unflatten the tree
> + */
> +int __init of_scan_flat_dt(int (*it)(unsigned long node,
> +				     const char *uname, int depth,
> +				     void *data),
> +			   void *data)
> +{
> +	unsigned long p = ((unsigned long)initial_boot_params) +
> +		be32_to_cpu(initial_boot_params->off_dt_struct);
> +	int rc = 0;
> +	int depth = -1;
> +
> +	do {
> +		u32 tag = be32_to_cpup((__be32 *)p);
> +		char *pathp;
> +
> +		p += 4;
> +		if (tag == OF_DT_END_NODE) {
> +			depth--;
> +			continue;
> +		}
> +		if (tag == OF_DT_NOP)
> +			continue;
> +		if (tag == OF_DT_END)
> +			break;
> +		if (tag == OF_DT_PROP) {
> +			u32 sz = be32_to_cpup((__be32 *)p);
> +			p += 8;
> +			if (be32_to_cpu(initial_boot_params->version) < 0x10)
> +				p = ALIGN(p, sz >= 8 ? 8 : 4);
> +			p += sz;
> +			p = ALIGN(p, 4);
> +			continue;
> +		}
> +		if (tag != OF_DT_BEGIN_NODE) {
> +			pr_err("Invalid tag %x in flat device tree!\n", tag);
> +			return -EINVAL;
> +		}
> +		depth++;
> +		pathp = (char *)p;
> +		p = ALIGN(p + strlen(pathp) + 1, 4);
> +		if ((*pathp) == '/') {
> +			char *lp, *np;
> +			for (lp = NULL, np = pathp; *np; np++)
> +				if ((*np) == '/')
> +					lp = np+1;
> +			if (lp != NULL)
> +				pathp = lp;
> +		}
> +		rc = it(p, pathp, depth, data);
> +		if (rc != 0)
> +			break;
> +	} while (1);
> +
> +	return rc;
> +}
> +
> +/**
> + * of_get_flat_dt_root - find the root node in the flat blob
> + */
> +unsigned long __init of_get_flat_dt_root(void)
> +{
> +	unsigned long p = ((unsigned long)initial_boot_params) +
> +		be32_to_cpu(initial_boot_params->off_dt_struct);
> +
> +	while (be32_to_cpup((__be32 *)p) == OF_DT_NOP)
> +		p += 4;
> +	BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE);
> +	p += 4;
> +	return ALIGN(p + strlen((char *)p) + 1, 4);
> +}
> +
> +/**
> + * of_get_flat_dt_prop - Given a node in the flat blob, return the property ptr
> + *
> + * This function can be used within scan_flattened_dt callback to get
> + * access to properties
> + */
> +void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
> +				 unsigned long *size)
> +{
> +	return of_fdt_get_property(initial_boot_params, node, name, size);
> +}
> +
> +/**
> + * of_flat_dt_is_compatible - Return true if given node has compat in compatible list
> + * @node: node to test
> + * @compat: compatible string to compare with compatible list.
> + */
> +int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
> +{
> +	return of_fdt_is_compatible(initial_boot_params, node, compat);
> +}
> +
>  #ifdef CONFIG_BLK_DEV_INITRD
>  /**
>   * early_init_dt_check_for_initrd - Decode initrd location from flat tree
> -- 
> 1.5.6.6
> 
> 
> 
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