From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@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 v3 2/3] ACPI: property: Add acpi_fwnode_name()
Date: Mon, 26 Nov 2018 14:47:51 +0300 [thread overview]
Message-ID: <20181126114752.69597-3-heikki.krogerus@linux.intel.com> (raw)
In-Reply-To: <20181126114752.69597-1-heikki.krogerus@linux.intel.com>
This implements the get_name fwnode op for ACPI.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
drivers/acpi/property.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 8c7c4583b52d..a38daa6f32cb 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1219,6 +1219,29 @@ acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode)
return acpi_graph_get_child_prop_value(fwnode, "endpoint", endpoint_nr);
}
+static int
+acpi_fwnode_get_name(const struct fwnode_handle *fwnode, char *buf, size_t len)
+{
+ struct acpi_buffer buffer;
+ acpi_handle handle;
+ acpi_status status;
+
+ if (is_acpi_data_node(fwnode)) {
+ snprintf(buf, len, "%s", to_acpi_data_node(fwnode)->name);
+ return 0;
+ }
+
+ handle = to_acpi_device_node(fwnode)->handle;
+
+ buffer.length = min((size_t)ACPI_NAME_SIZE + 1, len);
+ buffer.pointer = buf;
+
+ status = acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer);
+ if (ACPI_FAILURE(status))
+ return -ENXIO;
+ return 0;
+}
+
static bool acpi_fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
if (!is_acpi_device_node(fwnode))
@@ -1310,6 +1333,7 @@ acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode,
#define DECLARE_ACPI_FWNODE_OPS(ops) \
const struct fwnode_operations ops = { \
+ .get_name = acpi_fwnode_get_name, \
.device_is_available = acpi_fwnode_device_is_available, \
.device_get_match_data = acpi_fwnode_device_get_match_data, \
.property_present = acpi_fwnode_property_present, \
--
2.19.1
next prev parent reply other threads:[~2018-11-26 11:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-26 11:47 [PATCH v3 0/3] device property: Add fwnode_get_name() helper Heikki Krogerus
2018-11-26 11:47 ` [PATCH v3 1/3] device property: Introduce fwnode_get_name() Heikki Krogerus
2018-11-26 12:56 ` Andy Shevchenko
2018-11-26 11:47 ` Heikki Krogerus [this message]
2018-11-26 13:04 ` [PATCH v3 2/3] ACPI: property: Add acpi_fwnode_name() Andy Shevchenko
2018-11-26 11:47 ` [PATCH v3 3/3] of/property: Add of_fwnode_name() Heikki Krogerus
2018-11-26 13:05 ` Andy Shevchenko
2018-11-26 13:40 ` Heikki Krogerus
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181126114752.69597-3-heikki.krogerus@linux.intel.com \
--to=heikki.krogerus@linux.intel.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.westerberg@linux.intel.com \
--cc=rjw@rjwysocki.net \
--cc=robh@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).