From patchwork Tue Jun 19 21:55:13 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: 10475563 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 EFEB860230 for ; Tue, 19 Jun 2018 21:56:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DFFD528CCE for ; Tue, 19 Jun 2018 21:56:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D45FA28CD4; Tue, 19 Jun 2018 21:56:11 +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=-2.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1979B28CCE for ; Tue, 19 Jun 2018 21:56:11 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id BEEC4267601; Tue, 19 Jun 2018 23:55:42 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 8299A26760F; Tue, 19 Jun 2018 23:55:35 +0200 (CEST) Received: from Galois.linutronix.de (galois.linutronix.de [146.0.238.70]) by alsa0.perex.cz (Postfix) with ESMTP id DEF742675FB for ; Tue, 19 Jun 2018 23:55:31 +0200 (CEST) Received: from localhost ([127.0.0.1] helo=bazinga.breakpoint.cc) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1fVOb3-0004KO-AG; Tue, 19 Jun 2018 23:55:29 +0200 From: Sebastian Andrzej Siewior To: alsa-devel@alsa-project.org Date: Tue, 19 Jun 2018 23:55:13 +0200 Message-Id: <20180619215521.13688-2-bigeasy@linutronix.de> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180619215521.13688-1-bigeasy@linutronix.de> References: <20180619215521.13688-1-bigeasy@linutronix.de> MIME-Version: 1.0 Cc: tglx@linutronix.de, linux-usb@vger.kernel.org, Takashi Iwai , Sebastian Andrzej Siewior Subject: [alsa-devel] [PATCH 1/9] ALSA: 6fire: use usb_fill_int_urb() X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.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. usb6fire_comm_init_urb() passes no transfer length. Cc: Jaroslav Kysela Cc: Takashi Iwai Signed-off-by: Sebastian Andrzej Siewior --- sound/usb/6fire/comm.c | 20 +++++++------------- sound/usb/6fire/pcm.c | 25 +++++++++++-------------- 2 files changed, 18 insertions(+), 27 deletions(-) diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c index 161215d78d95..6adc09a0c6fa 100644 --- a/sound/usb/6fire/comm.c +++ b/sound/usb/6fire/comm.c @@ -26,12 +26,9 @@ static void usb6fire_comm_init_urb(struct comm_runtime *rt, struct urb *urb, u8 *buffer, void *context, void(*handler)(struct urb *urb)) { usb_init_urb(urb); - urb->transfer_buffer = buffer; - urb->pipe = usb_sndintpipe(rt->chip->dev, COMM_EP); - urb->complete = handler; - urb->context = context; - urb->interval = 1; - urb->dev = rt->chip->dev; + usb_fill_int_urb(urb, rt->chip->dev, + usb_sndintpipe(rt->chip->dev, COMM_EP), + buffer, 0, handler, context, 1); } static void usb6fire_comm_receiver_handler(struct urb *urb) @@ -168,13 +165,10 @@ int usb6fire_comm_init(struct sfire_chip *chip) rt->write16 = usb6fire_comm_write16; /* submit an urb that receives communication data from device */ - urb->transfer_buffer = rt->receiver_buffer; - urb->transfer_buffer_length = COMM_RECEIVER_BUFSIZE; - urb->pipe = usb_rcvintpipe(chip->dev, COMM_EP); - urb->dev = chip->dev; - urb->complete = usb6fire_comm_receiver_handler; - urb->context = rt; - urb->interval = 1; + usb_fill_int_urb(urb, chip->dev, usb_rcvintpipe(chip->dev, COMM_EP), + rt->receiver_buffer, COMM_RECEIVER_BUFSIZE, + usb6fire_comm_receiver_handler, rt, 1); + ret = usb_submit_urb(urb, GFP_KERNEL); if (ret < 0) { kfree(rt->receiver_buffer); diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 2dd2518a71d3..e32cca0f3c2a 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -569,20 +569,14 @@ static const struct snd_pcm_ops pcm_ops = { }; static void usb6fire_pcm_init_urb(struct pcm_urb *urb, - struct sfire_chip *chip, bool in, int ep, + struct sfire_chip *chip, unsigned int pipe, void (*handler)(struct urb *)) { urb->chip = chip; usb_init_urb(&urb->instance); - urb->instance.transfer_buffer = urb->buffer; - urb->instance.transfer_buffer_length = - PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE; - urb->instance.dev = chip->dev; - urb->instance.pipe = in ? usb_rcvisocpipe(chip->dev, ep) - : usb_sndisocpipe(chip->dev, ep); - urb->instance.interval = 1; - urb->instance.complete = handler; - urb->instance.context = urb; + usb_fill_int_urb(&urb->instance, chip->dev, pipe, urb->buffer, + PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE, + handler, urb, 1); urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB; } @@ -643,10 +637,13 @@ int usb6fire_pcm_init(struct sfire_chip *chip) spin_lock_init(&rt->capture.lock); for (i = 0; i < PCM_N_URBS; i++) { - usb6fire_pcm_init_urb(&rt->in_urbs[i], chip, true, IN_EP, - usb6fire_pcm_in_urb_handler); - usb6fire_pcm_init_urb(&rt->out_urbs[i], chip, false, OUT_EP, - usb6fire_pcm_out_urb_handler); + usb6fire_pcm_init_urb(&rt->in_urbs[i], chip, + usb_rcvisocpipe(chip->dev, IN_EP), + usb6fire_pcm_in_urb_handler); + + usb6fire_pcm_init_urb(&rt->out_urbs[i], chip, + usb_sndisocpipe(chip->dev, OUT_EP), + usb6fire_pcm_out_urb_handler); rt->in_urbs[i].peer = &rt->out_urbs[i]; rt->out_urbs[i].peer = &rt->in_urbs[i];