Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[firefly-linux-kernel-4.4.55.git] / include / linux / device.h

diff --git a/include/linux/device.h b/include/linux/device.h
index 86ef6ab553b19305b5125881a05c23885e614c78..05292e488346697a40614b356eef82e2425f423b 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -190,6 +190,7 @@ extern struct klist *bus_get_device_klist(struct bus_type *bus);
  * @mod_name:  Used for built-in modules.
  * @suppress_bind_attrs: Disables bind/unbind via sysfs.
  * @of_match_table: The open firmware table.
+ * @acpi_match_table: The ACPI match table.
  * @probe:     Called to query the existence of a specific device,
  *             whether this driver can work with it, and bind the driver
  *             to a specific device.
@@ -223,6 +224,7 @@ struct device_driver {
        bool suppress_bind_attrs;       /* disables bind/unbind via sysfs */
 
        const struct of_device_id       *of_match_table;
+       const struct acpi_device_id     *acpi_match_table;
 
        int (*probe) (struct device *dev);
        int (*remove) (struct device *dev);
@@ -576,6 +578,12 @@ struct device_dma_parameters {
        unsigned long segment_boundary_mask;
 };
 
+struct acpi_dev_node {
+#ifdef CONFIG_ACPI
+       void    *handle;
+#endif
+};
+
 /**
  * struct device - The basic device structure
  * @parent:    The device's "parent" device, the device to which it is attached.
@@ -616,6 +624,7 @@ struct device_dma_parameters {
  * @dma_mem:   Internal for coherent mem override.
  * @archdata:  For arch-specific additions.
  * @of_node:   Associated device tree node.
+ * @acpi_node: Associated ACPI device node.
  * @devt:      For creating the sysfs "dev".
  * @id:                device instance
  * @devres_lock: Spinlock to protect the resource of the device.
@@ -680,6 +689,7 @@ 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 */
 
        dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
        u32                     id;     /* device instance */
@@ -700,6 +710,14 @@ static inline struct device *kobj_to_dev(struct kobject *kobj)
        return container_of(kobj, struct device, kobj);
 }
 
+#ifdef CONFIG_ACPI
+#define ACPI_HANDLE(dev)       ((dev)->acpi_node.handle)
+#define ACPI_HANDLE_SET(dev, _handle_) (dev)->acpi_node.handle = (_handle_)
+#else
+#define ACPI_HANDLE(dev)       (NULL)
+#define ACPI_HANDLE_SET(dev, _handle_) do { } while (0)
+#endif
+
 /* Get the wakeup routines, which depend on struct device */
 #include <linux/pm_wakeup.h>