Re: [PATCH] dt: add 'const' for of_property_read_string parameter **out_string
From: Grant Likely <hidden>
Date: 2011-07-04 05:47:37
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 <redacted>
Applied, thanks. g.
quoted hunk
--- 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