From patchwork Wed Jun 20 11:00:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 10476987 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BC0F160230 for ; Wed, 20 Jun 2018 11:02:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ACF3828AD7 for ; Wed, 20 Jun 2018 11:02:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A153728B99; Wed, 20 Jun 2018 11:02:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4C6E228AD7 for ; Wed, 20 Jun 2018 11:02:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754178AbeFTLBm (ORCPT ); Wed, 20 Jun 2018 07:01:42 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:59933 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752787AbeFTLBl (ORCPT ); Wed, 20 Jun 2018 07:01:41 -0400 Received: from localhost ([127.0.0.1] helo=bazinga.breakpoint.cc) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1fVarq-0003m6-1m; Wed, 20 Jun 2018 13:01:38 +0200 From: Sebastian Andrzej Siewior To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , linux-usb@vger.kernel.org, tglx@linutronix.de, Sebastian Andrzej Siewior Subject: [PATCH 21/27] media: ttusb-dec: use usb_fill_int_urb() Date: Wed, 20 Jun 2018 13:00:59 +0200 Message-Id: <20180620110105.19955-22-bigeasy@linutronix.de> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180620110105.19955-1-bigeasy@linutronix.de> References: <20180620110105.19955-1-bigeasy@linutronix.de> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Using usb_fill_int_urb() helps to find code which initializes an URB. A grep for members of the struct (like ->complete) reveal lots of other things, too. Cc: Mauro Carvalho Chehab Signed-off-by: Sebastian Andrzej Siewior --- drivers/media/usb/ttusb-dec/ttusb_dec.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c index 44ca66cb9b8f..4c094364873d 100644 --- a/drivers/media/usb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c @@ -858,16 +858,13 @@ static void ttusb_dec_setup_urbs(struct ttusb_dec *dec) int frame_offset = 0; struct urb *urb = dec->iso_urb[i]; - urb->dev = dec->udev; - urb->context = dec; - urb->complete = ttusb_dec_process_urb; - urb->pipe = dec->in_pipe; + usb_fill_int_urb(urb, dec->udev, dec->in_pipe, + dec->iso_buffer + buffer_offset, + ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF, + ttusb_dec_process_urb, dec, 1); + urb->transfer_flags = URB_ISO_ASAP; - urb->interval = 1; urb->number_of_packets = FRAMES_PER_ISO_BUF; - urb->transfer_buffer_length = ISO_FRAME_SIZE * - FRAMES_PER_ISO_BUF; - urb->transfer_buffer = dec->iso_buffer + buffer_offset; buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF; for (j = 0; j < FRAMES_PER_ISO_BUF; j++) {