linux-kernel - [PATCH v1 06/10] ACPI / scan: Add acpi_dev_get_next

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Date:	Tue, 30 Jun 2015 16:55:04 +0200
From:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:	linux-kernel@...r.kernel.org
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mark Brown <broonie@...nel.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org
Subject: [PATCH v1 06/10] ACPI / scan: Add acpi_dev_get_next_child()

So fwnode_get_next_child_node() can be implemented for ACPI firmware
nodes.

This re-implements acpi_get_next_child() in terms of
acpi_dev_get_next_child().

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---

 drivers/acpi/scan.c  |  5 ++---
 include/linux/acpi.h | 17 +++++++++++++++--
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 2649a06..45cf1b7 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1482,10 +1482,9 @@ int acpi_device_add(struct acpi_device *device,
 	return result;
 }
 
-struct acpi_device *acpi_get_next_child(struct device *dev,
-					struct acpi_device *child)
+struct acpi_device *acpi_dev_get_next_child(struct acpi_device *adev,
+					    struct acpi_device *child)
 {
-	struct acpi_device *adev = ACPI_COMPANION(dev);
 	struct list_head *head, *next;
 
 	if (!adev)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fc84e42..2afcdb9 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -752,8 +752,14 @@ int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
 		       enum dev_prop_type proptype, void *val, size_t nval);
 
-struct acpi_device *acpi_get_next_child(struct device *dev,
-					struct acpi_device *child);
+struct acpi_device *acpi_dev_get_next_child(struct acpi_device *adev,
+					    struct acpi_device *child);
+
+static inline struct acpi_device *acpi_get_next_child(struct device *dev,
+						      struct acpi_device *child)
+{
+	return acpi_dev_get_next_child(ACPI_COMPANION(dev), child);
+}
 #else
 static inline int acpi_dev_get_property(struct acpi_device *adev,
 					const char *name, acpi_object_type type,
@@ -804,6 +810,13 @@ static inline struct acpi_device *acpi_get_next_child(struct device *dev,
 	return NULL;
 }
 
+static inline struct acpi_device *acpi_dev_get_next_child(
+						struct acpi_device *adev,
+						struct acpi_device *child)
+{
+	return NULL;
+}
+
 static inline struct acpi_device *acpi_get_parent_dev(struct acpi_device *adev)
 {
 	return NULL;
-- 
2.4.1

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