From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 5/7] of: Add of_alias_get function
Date: Mon, 27 May 2013 10:52:53 +0200 [thread overview]
Message-ID: <1369644775-29887-6-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1369644775-29887-1-git-send-email-s.hauer@pengutronix.de>
This is used to retrieve the name of the alias for a given
devicenode.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/of/base.c | 13 +++++++++++++
include/of.h | 6 ++++++
2 files changed, 19 insertions(+)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index e2a8bb5..b58a19b 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -212,6 +212,19 @@ int of_alias_get_id(struct device_node *np, const char *stem)
}
EXPORT_SYMBOL_GPL(of_alias_get_id);
+const char *of_alias_get(struct device_node *np)
+{
+ struct property *pp;
+
+ list_for_each_entry(pp, &of_aliases->properties, list) {
+ if (!strcmp(np->full_name, pp->value))
+ return pp->name;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(of_alias_get);
+
u64 of_translate_address(struct device_node *node, const __be32 *in_addr)
{
struct property *p;
diff --git a/include/of.h b/include/of.h
index a804ec4..6c75cbd 100644
--- a/include/of.h
+++ b/include/of.h
@@ -178,6 +178,7 @@ struct cdev;
int of_parse_partitions(struct cdev *cdev, struct device_node *node);
int of_alias_get_id(struct device_node *np, const char *stem);
+const char *of_alias_get(struct device_node *np);
int of_device_is_stdout_path(struct device_d *dev);
const char *of_get_model(void);
void *of_flatten_dtb(struct device_node *node);
@@ -197,6 +198,11 @@ static inline int of_alias_get_id(struct device_node *np, const char *stem)
return -ENOENT;
}
+static inline const char *of_alias_get(struct device_node *np)
+{
+ return NULL;
+}
+
static inline int of_device_is_stdout_path(struct device_d *dev)
{
return 0;
--
1.8.2.rc2
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next prev parent reply other threads:[~2013-05-27 8:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-27 8:52 [PATCH] MCI patches Sascha Hauer
2013-05-27 8:52 ` [PATCH 1/7] driver: Attach info callback to device, not to driver Sascha Hauer
2013-05-27 8:52 ` [PATCH 2/7] mci: make mci device a pure device Sascha Hauer
2013-05-27 8:52 ` [PATCH 3/7] mci: embed mci device into struct mci Sascha Hauer
2013-05-27 8:52 ` [PATCH 4/7] mci: set name of mci device to same name as the filename Sascha Hauer
2013-05-27 8:52 ` Sascha Hauer [this message]
2013-05-27 8:52 ` [PATCH 6/7] mci: imx-esdhc: allow to specify devicename via OF alias Sascha Hauer
2013-05-27 8:52 ` [PATCH 7/7] ARM: i.MX51: Add aliases for MMC controllers Sascha Hauer
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