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of: introduce of_property_read_s32 

Introduce signed 32bit integer of_property_read method.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Sebastian Reichel 2014-04-06 12:52:11 +02:00 committed by Grant Likely
parent a87fa1d81a
commit e7a00e4210
1 changed files with 7 additions and 0 deletions
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7
include/linux/of.h
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@ -760,6 +760,13 @@ static inline int of_property_read_u32(const struct device_node *np,
return of_property_read_u32_array(np, propname, out_value, 1);
}
static inline int of_property_read_s32(const struct device_node *np,
const char *propname,
s32 *out_value)
{
return of_property_read_u32(np, propname, (u32*) out_value);
}
#define of_property_for_each_u32(np, propname, prop, p, u) \
for (prop = of_find_property(np, propname, NULL), \
p = of_prop_next_u32(prop, NULL, &u); \