From patchwork Mon Aug 22 15:14:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 12950789 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60F9BC32772 for ; Mon, 22 Aug 2022 15:22:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236560AbiHVPWS (ORCPT ); Mon, 22 Aug 2022 11:22:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235607AbiHVPWD (ORCPT ); Mon, 22 Aug 2022 11:22:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FC7B3DBE3; Mon, 22 Aug 2022 08:15:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D855D610A3; Mon, 22 Aug 2022 15:15:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 411D6C433C1; Mon, 22 Aug 2022 15:15:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661181312; bh=/TNMqXAFkzzbD2nFZOZ+zBMA3FkHrzThtNSNS4wQTRo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=anMmDAU/uld9xgko3X5FETrFRedS3WY/nROOoODI38BxFOZfWl40rHDS3kkQT8wAD fTihu/DAVOjYjHmNpiae4Xif4oMdiUybw7RzYodfu7HoE9Ge036smsOl0Et9Tfsimq hTUaaZgwaOGWp06MuVG/r5l1VBZTymVP6xVfo2qFYdGh92Yw+C4ajtIslQ5jYzXvYs cvoTg5KUiegWlYqmYdwVQRijF+lInrKN6DFOLubDBKVLgSvO/Bj4DQ9n8ItQWEZPXY +6TW3s0Mskezycy8t2biLpisyzAyja+sBMb6s0Fv23nI0UfWt/BjgBeYiYrUMkAlT5 ypCVM6g3ECDuQ== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1oQ98w-00074j-EV; Mon, 22 Aug 2022 17:15:10 +0200 From: Johan Hovold To: Mauro Carvalho Chehab Cc: Hans Verkuil , Sean Young , linux-media@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH RESEND 2/3] media: flexcop-usb: clean up URB initialisation Date: Mon, 22 Aug 2022 17:14:55 +0200 Message-Id: <20220822151456.27178-3-johan@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220822151456.27178-1-johan@kernel.org> References: <20220822151456.27178-1-johan@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Clean up URB initialisation somewhat by introducing a temporary variable and separating declaration and non-trivial initialisation. Signed-off-by: Johan Hovold --- drivers/media/usb/b2c2/flexcop-usb.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index 31dd37d8236c..7102b346db05 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -425,12 +425,14 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) { - u16 frame_size = le16_to_cpu( - fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); - int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * - frame_size, i, j, ret; + struct usb_host_interface *alt = fc_usb->uintf->cur_altsetting; + u16 frame_size; + int bufsize, i, j, ret; int buffer_offset = 0; + frame_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size; + deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize);