From c74c6d4a024d95e81283ee4c38be6fa7baee27f9 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Fri, 4 May 2012 13:08:22 +0300 Subject: [PATCH] usb: dwc3: ep0: switch over to IS_ALIGNED IS_ALIGNED provides a much faster operation for checking proper size alignment then a modulo operation. Let's use it. Reported-by: Pratyush Anand Signed-off-by: Felipe Balbi --- 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 15ec36eb461b..477127aecb98 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; -- 2.34.1