From patchwork Mon Nov 23 08:53:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 11924581 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41F0BC56202 for ; Mon, 23 Nov 2020 08:55:56 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D895720738 for ; Mon, 23 Nov 2020 08:55:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="XvEi6dq0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D895720738 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 16F0C15F2; Mon, 23 Nov 2020 09:55:03 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 16F0C15F2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1606121753; bh=bwOZ6calY1h3OmC7kbXEZV+Ml8cZIgyTHBYTr4fJn4Y=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=XvEi6dq0uzWG4eYkvZHeOs2gvQtJ3VdD4DwDOWrtMiPNMbuX/o+0TZqsnjJt98WP7 j9SdNx/76LcTgJTOexrMpH8fkiwvGTxvkJWEhm9WP1Fe555lsy00BWVn1qrokuNe13 MQd0/nsjuo0KPaU5lPD9Jr0FRGHaFmpBFqLDkDJg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 8F59BF80269; Mon, 23 Nov 2020 09:54:10 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A878AF80515; Mon, 23 Nov 2020 09:54:09 +0100 (CET) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 052E3F80269 for ; Mon, 23 Nov 2020 09:53:59 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 052E3F80269 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3D306AF93; Mon, 23 Nov 2020 08:53:57 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH 07/41] ALSA: usb-audio: Improve some debug prints Date: Mon, 23 Nov 2020 09:53:13 +0100 Message-Id: <20201123085347.19667-8-tiwai@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20201123085347.19667-1-tiwai@suse.de> References: <20201123085347.19667-1-tiwai@suse.de> Cc: Matwey Kornilov , Dylan Robinson , Keith Milner X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" There are a few rooms for improvements wrt the debug prints: - The EP debug print is shown only at starting, not at stopping - The EP debug print contains useless object addresses - Some helpers show the urb and the EP object addresses, too This patch addresses those shortcomings. Tested-by: Keith Milner Tested-by: Dylan Robinson Signed-off-by: Takashi Iwai --- sound/usb/endpoint.c | 8 ++++---- sound/usb/pcm.c | 11 ++++++++--- 2 files changed, 12 insertions(+), 7 deletions(-) diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index cf00871fd278..8205a64a734e 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -367,8 +367,8 @@ static void queue_pending_output_urbs(struct snd_usb_endpoint *ep) err = usb_submit_urb(ctx->urb, GFP_ATOMIC); if (err < 0) usb_audio_err(ep->chip, - "Unable to submit urb #%d: %d (urb %p)\n", - ctx->index, err, ctx->urb); + "Unable to submit urb #%d: %d at %s\n", + ctx->index, err, __func__); else set_bit(ctx->index, &ep->active_mask); } @@ -494,8 +494,8 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, alts->desc.bInterfaceNumber, alts->desc.bAlternateSetting); if (ep) { - usb_audio_dbg(ep->chip, "Re-using EP %x in iface %d,%d @%p\n", - ep_num, ep->iface, ep->altsetting, ep); + usb_audio_dbg(ep->chip, "Re-using EP %x in iface %d,%d\n", + ep_num, ep->iface, ep->altsetting); goto __exit_unlock; } diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 8800ec627a73..8f4fe65d5c37 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -218,7 +218,7 @@ static int start_endpoints(struct snd_usb_substream *subs) if (!test_and_set_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) { struct snd_usb_endpoint *ep = subs->data_endpoint; - dev_dbg(&subs->dev->dev, "Starting data EP @%p\n", ep); + dev_dbg(&subs->dev->dev, "Starting data EP 0x%x\n", ep->ep_num); ep->data_subs = subs; err = snd_usb_endpoint_start(ep); @@ -232,7 +232,7 @@ static int start_endpoints(struct snd_usb_substream *subs) !test_and_set_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) { struct snd_usb_endpoint *ep = subs->sync_endpoint; - dev_dbg(&subs->dev->dev, "Starting sync EP @%p\n", ep); + dev_dbg(&subs->dev->dev, "Starting sync EP 0x%x\n", ep->ep_num); ep->sync_slave = subs->data_endpoint; err = snd_usb_endpoint_start(ep); @@ -255,12 +255,17 @@ static void sync_pending_stops(struct snd_usb_substream *subs) static void stop_endpoints(struct snd_usb_substream *subs) { if (test_and_clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) { + dev_dbg(&subs->dev->dev, "Stopping sync EP 0x%x\n", + subs->sync_endpoint->ep_num); snd_usb_endpoint_stop(subs->sync_endpoint); subs->sync_endpoint->sync_slave = NULL; } - if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) + if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) { + dev_dbg(&subs->dev->dev, "Stopping data EP 0x%x\n", + subs->data_endpoint->ep_num); snd_usb_endpoint_stop(subs->data_endpoint); + } } /* PCM sync_stop callback */