summaryrefslogtreecommitdiff
path: root/drivers/acpi/property.c
diff options
context:
space:
mode:
authorSakari Ailus <sakari.ailus@linux.intel.com>2017-06-06 12:37:39 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-06-22 03:55:34 +0300
commit2294b3af05e9b3fe0b84a78971e709037bd7593c (patch)
tree36e1766ebc6f3d159ab2bdfca2b71244689b503c /drivers/acpi/property.c
parent3b27d00e7b6d7c889d87fd00df600c495b968e30 (diff)
downloadlinux-2294b3af05e9b3fe0b84a78971e709037bd7593c.tar.xz
device property: Introduce fwnode_device_is_available()
Add fwnode_device_is_available() to tell whether the device corresponding to a certain fwnode_handle is available for use. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/property.c')
-rw-r--r--drivers/acpi/property.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index a24ca61294eb..917c789f953d 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1121,6 +1121,14 @@ int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
return 0;
}
+static bool acpi_fwnode_device_is_available(struct fwnode_handle *fwnode)
+{
+ if (!is_acpi_device_node(fwnode))
+ return false;
+
+ return acpi_device_is_present(to_acpi_device_node(fwnode));
+}
+
static bool acpi_fwnode_property_present(struct fwnode_handle *fwnode,
const char *propname)
{
@@ -1216,6 +1224,7 @@ static int acpi_fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode,
}
const struct fwnode_operations acpi_fwnode_ops = {
+ .device_is_available = acpi_fwnode_device_is_available,
.property_present = acpi_fwnode_property_present,
.property_read_int_array = acpi_fwnode_property_read_int_array,
.property_read_string_array = acpi_fwnode_property_read_string_array,