usb: dwc3: ep0: fix sparc64 build

drivers/usb/dwc3/ep0.c: In function `__dwc3_ep0_do_control_data':
drivers/usb/dwc3/ep0.c:905: error: `typeof' applied to a bit-field

Looks like a gcc-3.4.5/sparc64 bug.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index d7da073a23fe..1d139ca05ef1 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -891,7 +891,8 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
                                 DWC3_TRBCTL_CONTROL_DATA);
         } else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)
                         && (dep->number == 0)) {
-                u32             transfer_size;
+                u32     transfer_size;
+                u32     maxpacket;
 
                 ret = usb_gadget_map_request(&dwc->gadget, &req->request,
                                 dep->number);
@@ -902,8 +903,8 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
 
                 WARN_ON(req->request.length > DWC3_EP0_BOUNCE_SIZE);
 
-                transfer_size = roundup(req->request.length,
-                                (u32) dep->endpoint.maxpacket);
+                maxpacket = dep->endpoint.maxpacket;
+                transfer_size = roundup(req->request.length, maxpacket);
 
                 dwc->ep0_bounced = true;