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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 25/37] of: Add of property write functions for u32
Date: Mon,  4 Mar 2013 10:53:28 +0100	[thread overview]
Message-ID: <1362390820-10333-26-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1362390820-10333-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/of/base.c |   25 +++++++++++++++++++++++++
 include/of.h      |   11 +++++++++++
 2 files changed, 36 insertions(+)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index b9db261..9f9d9a0 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -350,6 +350,31 @@ int of_property_read_u32_array(const struct device_node *np,
 }
 EXPORT_SYMBOL_GPL(of_property_read_u32_array);
 
+int of_property_write_u32_array(struct device_node *np,
+				const char *propname, const u32 *values,
+				size_t sz)
+{
+	struct property *prop = of_find_property(np, propname);
+	__be32 *val;
+
+	if (!prop)
+		prop = of_new_property(np, propname, NULL, 0);
+	if (!prop)
+		return -ENOMEM;
+
+	free(prop->value);
+
+	prop->value = malloc(sizeof(__be32) * sz);
+	if (!prop->value)
+		return -ENOMEM;
+
+	val = prop->value;
+
+	while (sz--)
+		*val++ = cpu_to_be32(*values++);
+	return 0;
+}
+
 /**
  * of_parse_phandles_with_args - Find a node pointed by phandle in a list
  * @np:		pointer to a device tree node containing a list
diff --git a/include/of.h b/include/of.h
index fe9f65d..eeea016 100644
--- a/include/of.h
+++ b/include/of.h
@@ -124,6 +124,17 @@ static inline int of_property_read_u32(const struct device_node *np,
 	return of_property_read_u32_array(np, propname, out_value, 1);
 }
 
+int of_property_write_u32_array(struct device_node *np,
+				const char *propname, const u32 *values,
+				size_t sz);
+
+static inline int of_property_write_u32(struct device_node *np,
+					const char *propname,
+					u32 value)
+{
+	return of_property_write_u32_array(np, propname, &value, 1);
+}
+
 const void *of_get_property(const struct device_node *np, const char *name,
 			 int *lenp);
 
-- 
1.7.10.4


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  parent reply	other threads:[~2013-03-04  9:53 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-04  9:53 [PATCH v2] remove libfdt Sascha Hauer
2013-03-04  9:53 ` [PATCH 01/37] of: unflatten: allocate root node explicitly Sascha Hauer
2013-03-04  9:53 ` [PATCH 02/37] of: export of_find_child Sascha Hauer
2013-03-04  9:53 ` [PATCH 03/37] of: removed unused variables Sascha Hauer
2013-03-04  9:53 ` [PATCH 04/37] of: Let of_find_node_by_path iterate over tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 05/37] of: remove allnodes list Sascha Hauer
2013-03-04  9:53 ` [PATCH 06/37] ARM bootm: Use of_get_fixed_tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 07/37] of: Add of_set_property and of_create_node Sascha Hauer
2013-03-04  9:53 ` [PATCH 08/37] of_node command: use of_create_node Sascha Hauer
2013-03-04  9:53 ` [PATCH 09/37] of: Add missing prototype for of_device_is_compatible Sascha Hauer
2013-03-04  9:53 ` [PATCH 10/37] of: let of_unflatten_dtb return the unflattened tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 11/37] of: Add root node argument to of_find_node_by_path Sascha Hauer
2013-03-04  9:53 ` [PATCH 12/37] of: Add of_write_number helper Sascha Hauer
2013-03-04  9:53 ` [PATCH 13/37] of: Add initrd helper Sascha Hauer
2013-03-04 12:01   ` Alexander Aring
2013-03-04  9:53 ` [PATCH 14/37] of: make unflatten independent of libfdt Sascha Hauer
2013-03-04  9:53 ` [PATCH 15/37] of: make flatten " Sascha Hauer
2013-03-04  9:53 ` [PATCH 16/37] of/fdt: use optimized endianess conversion Sascha Hauer
2013-03-04  9:53 ` [PATCH 17/37] oftree command: Use of_print_nodes Sascha Hauer
2013-03-04  9:53 ` [PATCH 18/37] of: move OFTREE Kconfig option to drivers/of/ Sascha Hauer
2013-03-04  9:53 ` [PATCH 19/37] of: make OFDEVICE a user selectable option Sascha Hauer
2013-03-04  9:53 ` [PATCH 20/37] oftree command: retire CMD_OFTREE_PROBE Kconfig option Sascha Hauer
2013-03-04  9:53 ` [PATCH 21/37] of: move oftree Kconfig to the top of the drivers menu Sascha Hauer
2013-03-04  9:53 ` [PATCH 22/37] of: Pass barebox internal format devicetree to of_get_fixed_tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 23/37] bootm: Use of_print_nodes instead of fdt_print Sascha Hauer
2013-03-04  9:53 ` [PATCH 24/37] of: move flat devicetree functions to separate file Sascha Hauer
2013-03-04  9:53 ` Sascha Hauer [this message]
2013-03-04  9:53 ` [PATCH 26/37] of: make value of property in of_new_property optional Sascha Hauer
2013-03-04  9:53 ` [PATCH 27/37] of: Add missing prototype for size/address counting functions Sascha Hauer
2013-03-04  9:53 ` [PATCH 28/37] of: fixup unflattened devicetree Sascha Hauer
2013-03-04  9:53 ` [PATCH 29/37] of_* commands: print usage when insufficient arguments are given Sascha Hauer
2013-03-04  9:53 ` [PATCH 30/37] of_property command: Fix crash with empty property value Sascha Hauer
2013-03-04  9:53 ` [PATCH 31/37] ARM: bootm: rework concatenated oftree Sascha Hauer
2013-03-04  9:53 ` [PATCH 32/37] of: memory: Use of_write_number Sascha Hauer
2013-03-04  9:53 ` [PATCH 33/37] of: Add reservemap handling Sascha Hauer
2013-03-04  9:53 ` [PATCH 34/37] bootm: Pass unflattened devicetree to handlers Sascha Hauer
2013-03-04  9:53 ` [PATCH 35/37] ARM bootm: Switch initrd support to unflattened tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 36/37] of: remove unused libfdt Sascha Hauer
2013-03-04  9:53 ` [PATCH 37/37] of: make locally used functions static Sascha Hauer

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