From patchwork Mon Sep 26 09:15:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 9350595 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 F0D5A607D6 for ; Mon, 26 Sep 2016 12:08:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E29B625218 for ; Mon, 26 Sep 2016 12:08:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D75A128BD2; Mon, 26 Sep 2016 12:08:36 +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=-1.9 required=2.0 tests=BAYES_00, 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 176CA25218 for ; Mon, 26 Sep 2016 12:08:35 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 43B742667E0; Mon, 26 Sep 2016 14:08:34 +0200 (CEST) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 6E1C92667E7; Mon, 26 Sep 2016 14:06:08 +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 990652668DB; Mon, 26 Sep 2016 11:15:34 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by alsa0.perex.cz (Postfix) with ESMTP id 1A6F02668A2 for ; Mon, 26 Sep 2016 11:15:28 +0200 (CEST) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8Q9DxXb022794; Mon, 26 Sep 2016 04:15:25 -0500 Authentication-Results: ppops.net; spf=none smtp.mailfrom=ckeepax@opensource.wolfsonmicro.com Received: from mail2.cirrus.com (mail2.cirrus.com [141.131.128.20]) by mx0b-001ae601.pphosted.com with ESMTP id 25nnwj21vh-1; Mon, 26 Sep 2016 04:15:25 -0500 Received: from EX17.ad.cirrus.com (unknown [172.20.9.81]) by mail2.cirrus.com (Postfix) with ESMTP id DAA646121AE0; Mon, 26 Sep 2016 04:15:24 -0500 (CDT) Received: from imbe.wolfsonmicro.main (198.61.95.81) by EX17.ad.cirrus.com (172.20.9.81) with Microsoft SMTP Server id 14.3.301.0; Mon, 26 Sep 2016 10:15:23 +0100 Received: from algalon.wolfsonmicro.main ([172.22.20.24]) by imbe.wolfsonmicro.main (8.14.4/8.14.4) with ESMTP id u8Q9F4cP008995; Mon, 26 Sep 2016 10:15:04 +0100 From: Charles Keepax To: Date: Mon, 26 Sep 2016 10:15:22 +0100 Message-ID: <1474881325-9466-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609020000 definitions=main-1609260176 Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com Subject: [alsa-devel] [PATCH v2 1/4] ASoC: wm_adsp: Use usleep_range for short delay 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 Replace the 1ms msleep in wm_adsp2_ena with a usleep_range, as per normal guidance on delay functions. Also tighten up the delay a little as 1ms was quite generous. Signed-off-by: Charles Keepax --- New since the first series of this patch chain. sound/soc/codecs/wm_adsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 24485ec..4188c37 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -2237,7 +2237,7 @@ static int wm_adsp2_ena(struct wm_adsp *dsp) if (val & ADSP2_RAM_RDY) break; - msleep(1); + usleep_range(250, 500); } if (!(val & ADSP2_RAM_RDY)) {