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Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h18
1 files changed, 11 insertions, 7 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index d5922a877994..bd69b65f3356 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -20,6 +20,7 @@
#include <linux/completion.h> /* for struct completion */
#include <linux/sched.h> /* for current && schedule_timeout */
#include <linux/mutex.h> /* for struct mutex */
+#include <linux/pm_runtime.h> /* for runtime PM */
struct usb_device;
struct usb_driver;
@@ -127,6 +128,8 @@ enum usb_interface_condition {
* queued reset so that usb_cancel_queued_reset() doesn't try to
* remove from the workqueue when running inside the worker
* thread. See __usb_queue_reset_device().
+ * @resetting_device: USB core reset the device, so use alt setting 0 as
+ * current; needs bandwidth alloc after reset.
*
* USB device drivers attach to interfaces on a physical device. Each
* interface encapsulates a single high level function, such as feeding
@@ -311,6 +314,10 @@ struct usb_bus {
int busnum; /* Bus number (in order of reg) */
const char *bus_name; /* stable id (PCI slot_name etc) */
u8 uses_dma; /* Does the host controller use DMA? */
+ u8 uses_pio_for_control; /*
+ * Does the host controller use PIO
+ * for control transfers?
+ */
u8 otg_port; /* 0, or number of OTG/HNP port */
unsigned is_b_host:1; /* true during some HNP roleswitches */
unsigned b_hnp_enable:1; /* OTG: did A-Host enable HNP? */
@@ -405,8 +412,6 @@ struct usb_tt;
* @quirks: quirks of the whole device
* @urbnum: number of URBs submitted for the whole device
* @active_duration: total time device is not suspended
- * @last_busy: time of last use
- * @autosuspend_delay: in jiffies
* @connect_time: time device was first connected
* @do_remote_wakeup: remote wakeup should be enabled
* @reset_resume: needs reset instead of resume
@@ -479,8 +484,6 @@ struct usb_device {
unsigned long active_duration;
#ifdef CONFIG_PM
- unsigned long last_busy;
- int autosuspend_delay;
unsigned long connect_time;
unsigned do_remote_wakeup:1;
@@ -525,7 +528,7 @@ extern void usb_autopm_put_interface_no_suspend(struct usb_interface *intf);
static inline void usb_mark_last_busy(struct usb_device *udev)
{
- udev->last_busy = jiffies;
+ pm_runtime_mark_last_busy(&udev->dev);
}
#else
@@ -795,7 +798,7 @@ struct usbdrv_wrap {
* @disconnect: Called when the interface is no longer accessible, usually
* because its device has been (or is being) disconnected or the
* driver module is being unloaded.
- * @ioctl: Used for drivers that want to talk to userspace through
+ * @unlocked_ioctl: Used for drivers that want to talk to userspace through
* the "usbfs" filesystem. This lets devices provide ways to
* expose information to user space regardless of where they
* do (or don't) show up otherwise in the filesystem.
@@ -843,7 +846,7 @@ struct usb_driver {
void (*disconnect) (struct usb_interface *intf);
- int (*ioctl) (struct usb_interface *intf, unsigned int code,
+ int (*unlocked_ioctl) (struct usb_interface *intf, unsigned int code,
void *buf);
int (*suspend) (struct usb_interface *intf, pm_message_t message);
@@ -1015,6 +1018,7 @@ typedef void (*usb_complete_t)(struct urb *);
* is a different endpoint (and pipe) from "out" endpoint two.
* The current configuration controls the existence, type, and
* maximum packet size of any given endpoint.
+ * @stream_id: the endpoint's stream ID for bulk streams
* @dev: Identifies the USB device to perform the request.
* @status: This is read in non-iso completion functions to get the
* status of the particular request. ISO requests only use it