Merge tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big USB patchset for 4.6-rc1.

  The normal mess is here, gadget and xhci fixes and updates, and lots
  of other driver updates and cleanups as well.  Full details are in the
  shortlog.

  All have been in linux-next for a while with no reported issues"

* tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (266 commits)
  USB: core: let USB device know device node
  usb: devio: Add ioctl to disallow detaching kernel USB drivers.
  usb: gadget: f_acm: Fix configfs attr name
  usb: udc: lpc32xx: remove USB PLL and USB OTG clock management
  usb: udc: lpc32xx: remove direct access to clock controller registers
  usb: udc: lpc32xx: switch to clock prepare/unprepare model
  usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable()
  usb: gadget: renesas_usb3: Use ARCH_RENESAS
  usb: dwc2: Fix issues in dwc2_complete_non_isoc_xfer_ddma()
  usb: dwc2: Add support for Lantiq ARX and XRX SoCs
  usb: phy: generic: Handle late registration of gadget
  usb: gadget: bdc_udc: fix race condition in bdc_udc_exit()
  usb: musb: core: added missing const qualifier to musb_hdrc_platform_data::config
  usb: dwc2: Move host-specific core functions into hcd.c
  usb: dwc2: Move register save and restore functions
  usb: dwc2: Use kmem_cache_free()
  usb: dwc2: host: If using uframe scheduler, end splits better
  usb: dwc2: host: Totally redo the microframe scheduler
  usb: dwc2: host: Properly set even/odd frame
  usb: dwc2: host: Add dwc2_hcd_get_future_frame_number() call
  ...

1 files changed, 11 insertions, 15 deletions

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index cffa0a0d7de2..ef04b50e6bbb 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -110,13 +110,6 @@ static const char format_endpt[] =
 /* E:  Ad=xx(s) Atr=xx(ssss) MxPS=dddd Ivl=D?s */
   "E:  Ad=%02x(%c) Atr=%02x(%-4s) MxPS=%4d Ivl=%d%cs\n";
 
-
-/*
- * Need access to the driver and USB bus lists.
- * extern struct list_head usb_bus_list;
- * However, these will come from functions that return ptrs to each of them.
- */
-
 /*
  * Wait for an connect/disconnect event to happen. We initialize
  * the event counter with an odd number, and each event will increment
@@ -221,7 +214,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
 		break;
 	case USB_ENDPOINT_XFER_INT:
 		type = "Int.";
-		if (speed == USB_SPEED_HIGH || speed == USB_SPEED_SUPER)
+		if (speed == USB_SPEED_HIGH || speed >= USB_SPEED_SUPER)
 			interval = 1 << (desc->bInterval - 1);
 		else
 			interval = desc->bInterval;
@@ -230,7 +223,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
 		return start;
 	}
 	interval *= (speed == USB_SPEED_HIGH ||
-		     speed == USB_SPEED_SUPER) ? 125 : 1000;
+		     speed >= USB_SPEED_SUPER) ? 125 : 1000;
 	if (interval % 1000)
 		unit = 'u';
 	else {
@@ -322,7 +315,7 @@ static char *usb_dump_config_descriptor(char *start, char *end,
 
 	if (start > end)
 		return start;
-	if (speed == USB_SPEED_SUPER)
+	if (speed >= USB_SPEED_SUPER)
 		mul = 8;
 	else
 		mul = 2;
@@ -534,6 +527,8 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
 		speed = "480"; break;
 	case USB_SPEED_SUPER:
 		speed = "5000"; break;
+	case USB_SPEED_SUPER_PLUS:
+		speed = "10000"; break;
 	default:
 		speed = "??";
 	}
@@ -553,7 +548,7 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
 
 		/* super/high speed reserves 80%, full/low reserves 90% */
 		if (usbdev->speed == USB_SPEED_HIGH ||
-		    usbdev->speed == USB_SPEED_SUPER)
+		    usbdev->speed >= USB_SPEED_SUPER)
 			max = 800;
 		else
 			max = FRAME_TIME_MAX_USECS_ALLOC;
@@ -616,6 +611,7 @@ static ssize_t usb_device_read(struct file *file, char __user *buf,
 	struct usb_bus *bus;
 	ssize_t ret, total_written = 0;
 	loff_t skip_bytes = *ppos;
+	int id;
 
 	if (*ppos < 0)
 		return -EINVAL;
@@ -624,9 +620,9 @@ static ssize_t usb_device_read(struct file *file, char __user *buf,
 	if (!access_ok(VERIFY_WRITE, buf, nbytes))
 		return -EFAULT;
 
-	mutex_lock(&usb_bus_list_lock);
+	mutex_lock(&usb_bus_idr_lock);
 	/* print devices for all busses */
-	list_for_each_entry(bus, &usb_bus_list, bus_list) {
+	idr_for_each_entry(&usb_bus_idr, bus, id) {
 		/* recurse through all children of the root hub */
 		if (!bus_to_hcd(bus)->rh_registered)
 			continue;
@@ -635,12 +631,12 @@ static ssize_t usb_device_read(struct file *file, char __user *buf,
 				      bus->root_hub, bus, 0, 0, 0);
 		usb_unlock_device(bus->root_hub);
 		if (ret < 0) {
-			mutex_unlock(&usb_bus_list_lock);
+			mutex_unlock(&usb_bus_idr_lock);
 			return ret;
 		}
 		total_written += ret;
 	}
-	mutex_unlock(&usb_bus_list_lock);
+	mutex_unlock(&usb_bus_idr_lock);
 	return total_written;
 }