From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964777AbbFJJTo (ORCPT ); Wed, 10 Jun 2015 05:19:44 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:50401 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932533AbbFJJTE (ORCPT ); Wed, 10 Jun 2015 05:19:04 -0400 From: Kishon Vijay Abraham I To: , , , CC: , , Subject: [PATCH 1/5] usb: dwc3: ep0: use _roundup_ to calculate the transfer size Date: Wed, 10 Jun 2015 14:48:48 +0530 Message-ID: <1433927932-32395-2-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1433927932-32395-1-git-send-email-kishon@ti.com> References: <1433927932-32395-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/usb/dwc3/ep0.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 8858c60..713e46a 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -812,10 +812,8 @@ 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) -- 1.7.9.5