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Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/composite.h8
-rw-r--r--include/linux/usb/gadget.h9
-rw-r--r--include/linux/usb/hcd.h2
-rw-r--r--include/linux/usb/serial.h2
4 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 608dc962748b..a2448e98854f 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -150,6 +150,9 @@ struct usb_os_desc_table {
* GetStatus() request when the recipient is Interface.
* @func_suspend: callback to be called when
* SetFeature(FUNCTION_SUSPEND) is reseived
+ * @func_suspended: Indicates whether the function is in function suspend state.
+ * @func_wakeup_armed: Indicates whether the function is armed by the host for
+ * wakeup signaling.
*
* A single USB function uses one or more interfaces, and should in most
* cases support operation at both full and high speeds. Each function is
@@ -220,6 +223,8 @@ struct usb_function {
int (*get_status)(struct usb_function *);
int (*func_suspend)(struct usb_function *,
u8 suspend_opt);
+ bool func_suspended;
+ bool func_wakeup_armed;
/* private: */
/* internals */
struct list_head list;
@@ -241,6 +246,7 @@ int config_ep_by_speed_and_alt(struct usb_gadget *g, struct usb_function *f,
int config_ep_by_speed(struct usb_gadget *g, struct usb_function *f,
struct usb_ep *_ep);
+int usb_func_wakeup(struct usb_function *func);
#define MAX_CONFIG_INTERFACES 16 /* arbitrary; max 255 */
@@ -413,6 +419,8 @@ extern int composite_dev_prepare(struct usb_composite_driver *composite,
extern int composite_os_desc_req_prepare(struct usb_composite_dev *cdev,
struct usb_ep *ep0);
void composite_dev_cleanup(struct usb_composite_dev *cdev);
+void check_remote_wakeup_config(struct usb_gadget *g,
+ struct usb_configuration *c);
static inline struct usb_composite_driver *to_cdriver(
struct usb_gadget_driver *gdrv)
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 00750f7020f3..75bda0783395 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -310,6 +310,8 @@ struct usb_udc;
struct usb_gadget_ops {
int (*get_frame)(struct usb_gadget *);
int (*wakeup)(struct usb_gadget *);
+ int (*func_wakeup)(struct usb_gadget *gadget, int intf_id);
+ int (*set_remote_wakeup)(struct usb_gadget *, int set);
int (*set_selfpowered) (struct usb_gadget *, int is_selfpowered);
int (*vbus_session) (struct usb_gadget *, int is_active);
int (*vbus_draw) (struct usb_gadget *, unsigned mA);
@@ -384,6 +386,8 @@ struct usb_gadget_ops {
* @connected: True if gadget is connected.
* @lpm_capable: If the gadget max_speed is FULL or HIGH, this flag
* indicates that it supports LPM as per the LPM ECN & errata.
+ * @wakeup_capable: True if gadget is capable of sending remote wakeup.
+ * @wakeup_armed: True if gadget is armed by the host for remote wakeup.
* @irq: the interrupt number for device controller.
* @id_number: a unique ID number for ensuring that gadget names are distinct
*
@@ -445,6 +449,8 @@ struct usb_gadget {
unsigned deactivated:1;
unsigned connected:1;
unsigned lpm_capable:1;
+ unsigned wakeup_capable:1;
+ unsigned wakeup_armed:1;
int irq;
int id_number;
};
@@ -601,6 +607,7 @@ static inline int gadget_is_otg(struct usb_gadget *g)
#if IS_ENABLED(CONFIG_USB_GADGET)
int usb_gadget_frame_number(struct usb_gadget *gadget);
int usb_gadget_wakeup(struct usb_gadget *gadget);
+int usb_gadget_set_remote_wakeup(struct usb_gadget *gadget, int set);
int usb_gadget_set_selfpowered(struct usb_gadget *gadget);
int usb_gadget_clear_selfpowered(struct usb_gadget *gadget);
int usb_gadget_vbus_connect(struct usb_gadget *gadget);
@@ -616,6 +623,8 @@ static inline int usb_gadget_frame_number(struct usb_gadget *gadget)
{ return 0; }
static inline int usb_gadget_wakeup(struct usb_gadget *gadget)
{ return 0; }
+static inline int usb_gadget_set_remote_wakeup(struct usb_gadget *gadget, int set)
+{ return 0; }
static inline int usb_gadget_set_selfpowered(struct usb_gadget *gadget)
{ return 0; }
static inline int usb_gadget_clear_selfpowered(struct usb_gadget *gadget)
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index b51c07111729..094c77eaf455 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -488,9 +488,7 @@ extern void usb_hcd_pci_shutdown(struct pci_dev *dev);
extern int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *dev);
-#ifdef CONFIG_PM
extern const struct dev_pm_ops usb_hcd_pci_pm_ops;
-#endif
#endif /* CONFIG_USB_PCI */
/* pci-ish (pdev null is ok) buffer alloc/mapping support */
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index f7bfedb740f5..7eeb5f9c4f0d 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -378,7 +378,7 @@ void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port,
int usb_serial_bus_register(struct usb_serial_driver *device);
void usb_serial_bus_deregister(struct usb_serial_driver *device);
-extern struct bus_type usb_serial_bus_type;
+extern const struct bus_type usb_serial_bus_type;
extern struct tty_driver *usb_serial_tty_driver;
static inline void usb_serial_debug_data(struct device *dev,