[PATCH] dt: add 'const' for of_property_read_string parameter **out_string
Grant Likely
grant.likely at secretlab.ca
Mon Jul 4 15:47:37 EST 2011
On Mon, Jul 04, 2011 at 09:01:18AM +0800, Shawn Guo wrote:
> The existing dt codes usually call of_get_property to get a string
> property and save it as a 'const char *'. The patch adds'const' for
> of_property_read_string parameter **out_string to make the converting
> of existing code a little easier.
>
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
Applied, thanks.
g.
> ---
> drivers/of/base.c | 2 +-
> include/linux/of.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index b8b65fd..57ec27b 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -639,7 +639,7 @@ EXPORT_SYMBOL_GPL(of_property_read_u32);
> * The out_string pointer is modified only if a valid string can be decoded.
> */
> int of_property_read_string(struct device_node *np, char *propname,
> - char **out_string)
> + const char **out_string)
> {
> struct property *prop = of_find_property(np, propname, NULL);
> if (!prop)
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 4fc4c1b..b238520 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -198,7 +198,7 @@ extern struct property *of_find_property(const struct device_node *np,
> extern int of_property_read_u32(struct device_node *np, char *propname,
> u32 *out_value);
> extern int of_property_read_string(struct device_node *np, char *propname,
> - char **out_string);
> + const char **out_string);
> extern int of_device_is_compatible(const struct device_node *device,
> const char *);
> extern int of_device_is_available(const struct device_node *device);
> --
> 1.7.4.1
>
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