[v2] xhci: Drop superfluous initialization in xhci_queue_ctrl_tx()

Simplify field's initialization by directly assigning its final value
instead of initializing the variable to sero and then bitwise or-ing
it.

Signed-off-by: Andrey Smirnov <redacted>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---

Changes since [v1]:

    - Fixed a typo in commit message

[v1] https://lore.kernel.org/lkml/20190207000331.7547-1-andrew.smirnov@gmail.com (local)

 drivers/usb/host/xhci-ring.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 40fa25c4d041..91e592bfb80d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c

@@ -3379,8 +3379,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 	/* Queue setup TRB - see section 6.4.1.2.1 */
 	/* FIXME better way to translate setup_packet into two u32 fields? */
 	setup = (struct usb_ctrlrequest *) urb->setup_packet;
-	field = 0;
-	field |= TRB_IDT | TRB_TYPE(TRB_SETUP);
+	field = TRB_IDT | TRB_TYPE(TRB_SETUP);
 	if (start_cycle == 0)
 		field |= 0x1;