usb: dwc3: ep0: use _roundup_ to calculate the transfer size

No functional change. Used _roundup_ macro to calculate the transfer
size aligned to maxpacket in  dwc3_ep0_complete_data. It also makes it
similar to how transfer size is calculated in __dwc3_ep0_do_control_data.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 06ecd1e..672d55a 100644 (file)
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -816,10 +816,8 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
        length = trb->size & DWC3_TRB_SIZE_MASK;
 
        if (dwc->ep0_bounced) {
-               unsigned transfer_size = ur->length;
                unsigned maxp = ep0->endpoint.maxpacket;
-
-               transfer_size += (maxp - (transfer_size % maxp));
+               unsigned transfer_size = roundup(ur->length, maxp);
 
                /* Maximum of DWC3_EP0_BOUNCE_SIZE can only be received */
                if (transfer_size > DWC3_EP0_BOUNCE_SIZE)