Merge tag 'v3.9-rc3' into next

[mirror_ubuntu-bionic-kernel.git] / include / linux / device.h

diff --git a/include/linux/device.h b/include/linux/device.h
index 854b247bf5f9e1f320ee0d661452adfa45f07e57..4fd899bd2c0d31cc14124998e7ffa406d3744cb0 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -21,6 +21,7 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/mutex.h>
+#include <linux/pinctrl/devinfo.h>
 #include <linux/pm.h>
 #include <linux/atomic.h>
 #include <linux/ratelimit.h>
@@ -190,6 +191,7 @@ 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 +225,7 @@ 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);
@@ -393,8 +396,8 @@ extern int class_for_each_device(struct class *class, struct device *start,
                                 void *data,
                                 int (*fn)(struct device *dev, void *data));
 extern struct device *class_find_device(struct class *class,
-                                       struct device *start, void *data,
-                                       int (*match)(struct device *, void *));
+                                       struct device *start, const void *data,
+                                       int (*match)(struct device *, const void *));
 
 struct class_attribute {
        struct attribute attr;
@@ -496,6 +499,10 @@ ssize_t device_show_int(struct device *dev, struct device_attribute *attr,
                        char *buf);
 ssize_t device_store_int(struct device *dev, struct device_attribute *attr,
                         const char *buf, size_t count);
+ssize_t device_show_bool(struct device *dev, struct device_attribute *attr,
+                       char *buf);
+ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
+                        const char *buf, size_t count);
 
 #define DEVICE_ATTR(_name, _mode, _show, _store) \
        struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
@@ -505,6 +512,9 @@ ssize_t device_store_int(struct device *dev, struct device_attribute *attr,
 #define DEVICE_INT_ATTR(_name, _mode, _var) \
        struct dev_ext_attribute dev_attr_##_name = \
                { __ATTR(_name, _mode, device_show_int, device_store_int), &(_var) }
+#define DEVICE_BOOL_ATTR(_name, _mode, _var) \
+       struct dev_ext_attribute dev_attr_##_name = \
+               { __ATTR(_name, _mode, device_show_bool, device_store_bool), &(_var) }
 #define DEVICE_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \
        struct device_attribute dev_attr_##_name =              \
                __ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store)
@@ -564,6 +574,7 @@ extern int devres_release_group(struct device *dev, void *id);
 extern void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp);
 extern void devm_kfree(struct device *dev, void *p);
 
+void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res);
 void __iomem *devm_request_and_ioremap(struct device *dev,
                        struct resource *res);
 
@@ -580,6 +591,12 @@ 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.
@@ -609,6 +626,8 @@ struct device_dma_parameters {
  * @pm_domain: Provide callbacks that are executed during system suspend,
  *             hibernation, system resume and during runtime PM transitions
  *             along with subsystem-level and driver-level callbacks.
+ * @pins:      For device pin management.
+ *             See Documentation/pinctrl.txt for details.
  * @numa_node: NUMA node this device is close to.
  * @dma_mask:  Dma mask (if dma'ble device).
  * @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all
@@ -620,6 +639,7 @@ 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.
@@ -660,6 +680,10 @@ struct device {
        struct dev_pm_info      power;
        struct dev_pm_domain    *pm_domain;
 
+#ifdef CONFIG_PINCTRL
+       struct dev_pin_info     *pins;
+#endif
+
 #ifdef CONFIG_NUMA
        int             numa_node;      /* NUMA node this device is close to */
 #endif
@@ -684,6 +708,7 @@ 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 */
@@ -704,6 +729,14 @@ 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>