From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>,
Rob Herring <robh@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
devicetree@vger.kernel.org
Subject: [PATCH v6 3/3] of/property: Add of_fwnode_name()
Date: Tue, 11 Dec 2018 16:14:51 +0300 [thread overview]
Message-ID: <20181211131451.52832-4-heikki.krogerus@linux.intel.com> (raw)
In-Reply-To: <20181211131451.52832-1-heikki.krogerus@linux.intel.com>
This implements get_name fwnode op for DT.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
drivers/of/property.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 08430031bd28..5c10fdded473 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -823,6 +823,18 @@ static void of_fwnode_put(struct fwnode_handle *fwnode)
of_node_put(to_of_node(fwnode));
}
+static int of_fwnode_get_name(const struct fwnode_handle *fwnode, char *buf,
+ size_t len)
+{
+ const struct device_node *node = to_of_node(fwnode);
+
+ if (len < snprintf(NULL, 0, "%pOFn", node) + 1)
+ return -EOVERFLOW;
+
+ sprintf(buf, "%pOFn", node);
+ return 0;
+}
+
static bool of_fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
return of_device_is_available(to_of_node(fwnode));
@@ -987,6 +999,7 @@ of_fwnode_device_get_match_data(const struct fwnode_handle *fwnode,
const struct fwnode_operations of_fwnode_ops = {
.get = of_fwnode_get,
.put = of_fwnode_put,
+ .get_name = of_fwnode_get_name,
.device_is_available = of_fwnode_device_is_available,
.device_get_match_data = of_fwnode_device_get_match_data,
.property_present = of_fwnode_property_present,
--
2.19.2
next prev parent reply other threads:[~2018-12-11 13:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 13:14 [PATCH v6 0/3] device property: Add fwnode_get_name() helper Heikki Krogerus
2018-12-11 13:14 ` [PATCH v6 1/3] device property: Introduce fwnode_get_name() Heikki Krogerus
2018-12-11 13:14 ` [PATCH v6 2/3] ACPI: property: Add acpi_fwnode_name() Heikki Krogerus
2018-12-11 13:14 ` Heikki Krogerus [this message]
2018-12-14 9:36 ` [PATCH v6 3/3] of/property: Add of_fwnode_name() Rafael J. Wysocki
2018-12-14 17:46 ` Rob Herring
2018-12-17 12:15 ` Heikki Krogerus
2018-12-11 13:59 ` [PATCH v6 0/3] device property: Add fwnode_get_name() helper Andy Shevchenko
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