Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 14 insertions, 10 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 35fe6ab222bb..73c7df489607 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;
@@ -313,6 +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? */
@@ -407,8 +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
@@ -481,8 +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;
@@ -527,7 +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
@@ -622,7 +623,7 @@ extern struct usb_host_interface *usb_find_alt_setting(
  * USB hubs.  That makes it stay the same until systems are physically
  * reconfigured, by re-cabling a tree of USB devices or by moving USB host
  * controllers.  Adding and removing devices, including virtual root hubs
- * in host controller driver modules, does not change these path identifers;
+ * in host controller driver modules, does not change these path identifiers;
  * neither does rebooting or re-enumerating.  These are more useful identifiers
  * than changeable ("unstable") ones like bus numbers or device addresses.
  *
@@ -792,12 +793,12 @@ struct usbdrv_wrap {
  *      usb_set_intfdata() to associate driver-specific data with the
  *      interface.  It may also use usb_set_interface() to specify the
  *      appropriate altsetting.  If unwilling to manage the interface,
- *      return -ENODEV, if genuine IO errors occured, an appropriate
+ *      return -ENODEV, if genuine IO errors occurred, an appropriate
  *      negative errno value.
  * @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.
@@ -805,8 +806,10 @@ struct usbdrv_wrap {
  * @resume: Called when the device is being resumed by the system.
  * @reset_resume: Called when the suspended device has been reset instead
  *      of being resumed.
- * @pre_reset: Called by usb_reset_device() when the device
- *      is about to be reset.
+ * @pre_reset: Called by usb_reset_device() when the device is about to be
+ *      reset.  This routine must not return until the driver has no active
+ *      URBs for the device, and no more URBs may be submitted until the
+ *      post_reset method is called.
  * @post_reset: Called by usb_reset_device() after the device
  *      has been reset
  * @id_table: USB drivers use ID table to support hotplugging.
@@ -975,6 +978,7 @@ extern int usb_disabled(void);
 #define URB_SETUP_MAP_SINGLE    0x00100000      /* Setup packet DMA mapped */
 #define URB_SETUP_MAP_LOCAL     0x00200000      /* HCD-local setup packet */
 #define URB_DMA_SG_COMBINED     0x00400000      /* S-G entries were combined */
+#define URB_ALIGNED_TEMP_BUFFER 0x00800000      /* Temp buffer was alloc'd */
 
 struct usb_iso_packet_descriptor {
         unsigned int offset;