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Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h23
1 files changed, 13 insertions, 10 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 0eb8ee2dc6d1..6558af90c8fe 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -38,6 +38,7 @@ struct class;
struct subsys_private;
struct bus_type;
struct device_node;
+struct fwnode_handle;
struct iommu_ops;
struct iommu_group;
@@ -650,14 +651,6 @@ struct device_dma_parameters {
unsigned long segment_boundary_mask;
};
-struct acpi_device;
-
-struct acpi_dev_node {
-#ifdef CONFIG_ACPI
- struct acpi_device *companion;
-#endif
-};
-
/**
* struct device - The basic device structure
* @parent: The device's "parent" device, the device to which it is attached.
@@ -703,7 +696,7 @@ struct acpi_dev_node {
* @cma_area: Contiguous memory area for dma allocations
* @archdata: For arch-specific additions.
* @of_node: Associated device tree node.
- * @acpi_node: Associated ACPI device node.
+ * @fwnode: Associated device node supplied by platform firmware.
* @devt: For creating the sysfs "dev".
* @id: device instance
* @devres_lock: Spinlock to protect the resource of the device.
@@ -779,7 +772,7 @@ struct device {
struct dev_archdata archdata;
struct device_node *of_node; /* associated device tree node */
- struct acpi_dev_node acpi_node; /* associated ACPI device node */
+ struct fwnode_handle *fwnode; /* firmware device node */
dev_t devt; /* dev_t, creates the sysfs "dev" */
u32 id; /* device instance */
@@ -916,6 +909,13 @@ static inline void device_lock_assert(struct device *dev)
lockdep_assert_held(&dev->mutex);
}
+static inline struct device_node *dev_of_node(struct device *dev)
+{
+ if (!IS_ENABLED(CONFIG_OF))
+ return NULL;
+ return dev->of_node;
+}
+
void driver_init(void);
/*
@@ -947,6 +947,9 @@ extern void unlock_device_hotplug(void);
extern int lock_device_hotplug_sysfs(void);
extern int device_offline(struct device *dev);
extern int device_online(struct device *dev);
+extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
+extern void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
+
/*
* Root device objects for grouping under /sys/devices
*/