[PATCH 03/15] usb: dwc3: ep0: switch over to IS_ALIGNED

[Felipe Balbi <balbi@xxxxxx>]

IS_ALIGNED provides a much faster operation for
checking proper size alignment then a modulo
operation. Let's use it.

Reported-by: Pratyush Anand <pratyush.anand@xxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
 drivers/usb/dwc3/ep0.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 15ec36e..477127a 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -799,7 +799,7 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
 		ret = dwc3_ep0_start_trans(dwc, dep->number,
 				dwc->ctrl_req_addr, 0,
 				DWC3_TRBCTL_CONTROL_DATA);
-	} else if ((req->request.length % dep->endpoint.maxpacket)
+	} else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)
 			&& (dep->number == 0)) {
 		u32		transfer_size;
 
-- 
1.7.10.2

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