[U-Boot] [U-Boot, v2, 1/3] dm: core: Add functions to get strings and the string count from a stringlist

[Jaehoon Chung]

On 07/19/2017 10:52 PM, Jean-Jacques Hiblot wrote:
> dev_read_string_count() is used to get the number of strings in a
> stringlist.
> dev_read_string_index() is used to get a string in the stringlist based on
> its position in the list.
> 
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>

Applied to u-boot-mmc. Thanks!

Best Regards,
Jaehoon Chung

> ---
> 
>  not present in the v1 of this series
>  
>  drivers/core/read.c | 11 +++++++++++
>  include/dm/read.h   | 36 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 47 insertions(+)
> 
> diff --git a/drivers/core/read.c b/drivers/core/read.c
> index eafe727..cb4c45e 100644
> --- a/drivers/core/read.c
> +++ b/drivers/core/read.c
> @@ -74,6 +74,17 @@ int dev_read_stringlist_search(struct udevice *dev, const char *property,
>  	return ofnode_stringlist_search(dev_ofnode(dev), property, string);
>  }
>  
> +int dev_read_string_index(struct udevice *dev, const char *propname, int index,
> +					const char **outp)
> +{
> +	return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
> +}
> +
> +int dev_read_string_count(struct udevice *dev, const char *propname)
> +{
> +	return ofnode_read_string_count(dev_ofnode(dev), propname);
> +}
> +
>  int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
>  				const char *cells_name, int cell_count,
>  				int index,
> diff --git a/include/dm/read.h b/include/dm/read.h
> index b86a2f5..4ef99cb 100644
> --- a/include/dm/read.h
> +++ b/include/dm/read.h
> @@ -166,6 +166,29 @@ int dev_read_stringlist_search(struct udevice *dev, const char *property,
>  			  const char *string);
>  
>  /**
> + * dev_read_string_index() - obtain an indexed string from a string list
> + *
> + * @dev: device to examine
> + * @propname: name of the property containing the string list
> + * @index: index of the string to return
> + * @out: return location for the string
> + *
> + * @return:
> + *   length of string, if found or -ve error value if not found
> + */
> +int dev_read_string_index(struct udevice *dev, const char *propname, int index,
> +					const char **outp);
> +
> +/**
> + * dev_read_string_count() - find the number of strings in a string list
> + *
> + * @dev: device to examine
> + * @propname: name of the property containing the string list
> + * @return:
> + *   number of strings in the list, or -ve error value if not found
> + */
> +int dev_read_string_count(struct udevice *dev, const char *propname);
> +/**
>   * dev_read_phandle_with_args() - Find a node pointed by phandle in a list
>   *
>   * This function is useful to parse lists of phandles and their arguments.
> @@ -407,6 +430,19 @@ static inline int dev_read_stringlist_search(struct udevice *dev,
>  	return ofnode_stringlist_search(dev_ofnode(dev), propname, string);
>  }
>  
> +static inline int dev_read_string_index(struct udevice *dev,
> +					const char *propname, int index,
> +					const char **outp)
> +{
> +	return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
> +}
> +
> +static inline int dev_read_string_count(struct udevice *dev,
> +					const char *propname)
> +{
> +	return ofnode_read_string_count(dev_ofnode(dev), propname);
> +}
> +
>  static inline int dev_read_phandle_with_args(struct udevice *dev,
>  		const char *list_name, const char *cells_name, int cell_count,
>  		int index, struct ofnode_phandle_args *out_args)
>