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of: Introduce of_property_read_s32_index()

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Signed integers can be read from single value properties using
of_property_read_s32() but nothing exist to read signed integers
from multi-value properties.

Fix this lack adding of_property_read_s32_index().

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260513081702.317117-2-herve.codina@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Herve Codina 2026-05-13 10:16:45 +02:00 committed by Mark Brown
parent 5200f5f493
commit 37dba38ac8
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1 changed files with 7 additions and 0 deletions
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7
include/linux/of.h
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@ -1476,6 +1476,13 @@ static inline int of_property_read_s32(const struct device_node *np,
return of_property_read_u32(np, propname, (u32*) out_value);
}
static inline int of_property_read_s32_index(const struct device_node *np,
const char *propname, u32 index,
s32 *out_value)
{
return of_property_read_u32_index(np, propname, index, (u32 *)out_value);
}
#define of_for_each_phandle(it, err, np, ln, cn, cc) \
for (of_phandle_iterator_init((it), (np), (ln), (cn), (cc)), \
err = of_phandle_iterator_next(it); \