From patchwork Fri Aug 7 09:14:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 251493 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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 19927C433E0 for ; Fri, 7 Aug 2020 09:20:35 +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 9B53220855 for ; Fri, 7 Aug 2020 09:20:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="Kgyjewzs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B53220855 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com 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 11DC1826; Fri, 7 Aug 2020 11:19:43 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 11DC1826 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1596792033; bh=grxBbU14XRmya2vkgxrDLCKJlUxgvPTkhgw2I0U39E0=; h=From:To:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=KgyjewzsrhBYBNhuuhObpVnJAo3lla8z8VJQwl7zddUL7o4a5kGY+/CBH14vDMxBS 38IQKtqq98Xs8uxGXpALakQJvBrKays8pivxmhPXW3s76vVy2M0yUPZ2opBe9qUKgM PuefO93f2cKcx/rb6kn0riShlCSZ6M29uRGdwZ+4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 9B0DDF8020B; Fri, 7 Aug 2020 11:19:42 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id EF582F80218; Fri, 7 Aug 2020 11:19:40 +0200 (CEST) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 06DF6F801F7 for ; Fri, 7 Aug 2020 11:19:30 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 06DF6F801F7 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id B7324200051; Fri, 7 Aug 2020 11:19:29 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3C412200B3D; Fri, 7 Aug 2020 11:19:25 +0200 (CEST) Received: from 10.192.242.69 (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 554EC4024E; Fri, 7 Aug 2020 11:19:19 +0200 (CEST) From: Shengjiu Wang To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: fsl_sai: Add -EPROBE_DEFER check for regmap init Date: Fri, 7 Aug 2020 17:14:42 +0800 Message-Id: <1596791682-4311-1-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP 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" Regmap initialization may return -EPROBE_DEFER for clock may not be ready, so check -EPROBE_DEFER error type before start another Regmap initialization. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_sai.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index a22562f2df47..eb933fe9b6d1 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -927,7 +927,7 @@ static int fsl_sai_probe(struct platform_device *pdev) "bus", base, &fsl_sai_regmap_config); /* Compatible with old DTB cases */ - if (IS_ERR(sai->regmap)) + if (IS_ERR(sai->regmap) && PTR_ERR(sai->regmap) != -EPROBE_DEFER) sai->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "sai", base, &fsl_sai_regmap_config); if (IS_ERR(sai->regmap)) {