Merge tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big USB patchset for 4.2-rc1.  As is normal these days, the
  majority of changes are in the gadget drivers, with a bunch of other
  small driver changes.

  All of these have been in linux-next with no reported issues"

* tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits)
  usb: dwc3: Use ASCII space in Kconfig
  usb: chipidea: add work-around for Marvell HSIC PHY startup
  usb: chipidea: allow multiple instances to use default ci_default_pdata
  dt-bindings: Consolidate ChipIdea USB ci13xxx bindings
  phy: add Marvell HSIC 28nm PHY
  phy: Add Marvell USB 2.0 OTG 28nm PHY
  dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings
  USB: ssb: use devm_kzalloc
  USB: ssb: fix error handling in ssb_hcd_create_pdev()
  usb: isp1760: check for null return from kzalloc
  cdc-acm: Add support of ATOL FPrint fiscal printers
  usb: chipidea: usbmisc_imx: Remove unneeded semicolon
  USB: usbtmc: add device quirk for Rigol DS6104
  USB: serial: mos7840: Use setup_timer
  phy: twl4030-usb: add ABI documentation
  phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
  phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
  phy: twl4030-usb: make runtime pm more reliable.
  drivers:usb:fsl: Fix compilation error for fsl ehci drv
  usb: renesas_usbhs: Don't disable the pipe if Control write status stage
  ...

130 files changed, 4065 insertions, 2034 deletions

diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 0dc8c06a7b5f..0270d1312f83 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -255,7 +255,8 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance,
 
 	usb_dbg(usbatm, "%s entered\n", __func__);
 
-	if (!(buffer = (unsigned char *)__get_free_page(GFP_KERNEL))) {
+	buffer = (unsigned char *)__get_free_page(GFP_KERNEL);
+	if (!buffer) {
 		ret = -ENOMEM;
 		usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__);
 		goto out;
@@ -638,7 +639,8 @@ static void speedtch_handle_int(struct urb *int_urb)
 		goto fail;
 	}
 
-	if ((int_urb = instance->int_urb)) {
+	int_urb = instance->int_urb;
+	if (int_urb) {
 		ret = usb_submit_urb(int_urb, GFP_ATOMIC);
 		schedule_work(&instance->status_check_work);
 		if (ret < 0) {
@@ -650,7 +652,8 @@ static void speedtch_handle_int(struct urb *int_urb)
 	return;
 
 fail:
-	if ((int_urb = instance->int_urb))
+	int_urb = instance->int_urb;
+	if (int_urb)
 		mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));
 }
 
@@ -759,11 +762,13 @@ static void speedtch_release_interfaces(struct usb_device *usb_dev,
 	struct usb_interface *cur_intf;
 	int i;
 
-	for (i = 0; i < num_interfaces; i++)
-		if ((cur_intf = usb_ifnum_to_if(usb_dev, i))) {
+	for (i = 0; i < num_interfaces; i++) {
+		cur_intf = usb_ifnum_to_if(usb_dev, i);
+		if (cur_intf) {
 			usb_set_intfdata(cur_intf, NULL);
 			usb_driver_release_interface(&speedtch_usb_driver, cur_intf);
 		}
+	}
 }
 
 static int speedtch_bind(struct usbatm_data *usbatm,
@@ -787,7 +792,8 @@ static int speedtch_bind(struct usbatm_data *usbatm,
 		return -ENODEV;
 	}
 
-	if (!(data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA))) {
+	data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA);
+	if (!data_intf) {
 		usb_err(usbatm, "%s: data interface not found!\n", __func__);
 		return -ENODEV;
 	}
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index dada0146cd7f..db322d9ccb6e 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -382,7 +382,8 @@ static void usbatm_extract_one_cell(stru