linux-kernel - [PATCH v2 2/4] of: introduce of_property_read_s32

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Message-Id: <1471510341-63926-3-git-send-email-finley.xiao@rock-chips.com>
Date:	Thu, 18 Aug 2016 16:52:19 +0800
From:	Finlye Xiao <finley.xiao@...k-chips.com>
To:	srinivas.kandagatla@...aro.org, maxime.ripard@...e-electrons.com,
	heiko@...ech.de, robh+dt@...nel.org, frowand.list@...il.com,
	sre@...nel.org, dbaryshkov@...il.com, dwmw2@...radead.org,
	mark.rutland@....com, khilman@...nel.org, nm@...com,
	rjw@...ysocki.net, viresh.kumar@...aro.org, sboyd@...eaurora.org
Cc:	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	wxt@...k-chips.com, jay.xu@...k-chips.com,
	rocky.hao@...k-chips.com, tim.chen@...k-chips.com,
	tony.xie@...k-chips.com, ulysses.huang@...k-chips.com,
	lin.huang@...k-chips.com, Finley Xiao <finley.xiao@...k-chips.com>
Subject: [PATCH v2 2/4] of: introduce of_property_read_s32_index

From: Finley Xiao <finley.xiao@...k-chips.com>

Introduce single indexed signed 32bit integer of_property_read method.

Signed-off-by: Finley Xiao <finley.xiao@...k-chips.com>
---
 include/linux/of.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/of.h b/include/linux/of.h
index 3d9ff8e..8ef775e 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -929,6 +929,14 @@ 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);			\
-- 
1.9.1