From patchwork Tue Aug 24 09:17:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sugar Zhang X-Patchwork-Id: 12454297 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=-14.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,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 E46ECC4338F for ; Tue, 24 Aug 2021 09:17:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A675B60E78 for ; Tue, 24 Aug 2021 09:17:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A675B60E78 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lVD/EXBRUcniR4dxqk98St5iGPmW54WFJx/o5k1nU2M=; b=PLp31jEoqIMYld fERkomWvagQpPZRKr4FZfpLxFxGLjHF9Dx4g8YW37QfMTepqQh3mtXcBMdVCGhTkD7AfQrFyB81IJ Wukib37tfZM52GZ/RJDI1EnvubU8QQmW0Lw2qtzX+Z/YhK2xrOGDy2VqzI24iKz9g7V5QN15X2OLR 8PwHyDjAMBC80/B8LENv0OyG0XJCFtY8cBMOOdbF4ryCip8K2QVmTuTS4M2F7pljDC4bxSEFMz9PE vrPhNFi4iYzPYhNKIjSeE4s/PY07PHwyX9m/18D/6yLskzxi/uG3sEvk1YJnBlbGCpVIihIKw24db GoKJejY8tAyI+3VH9gmA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mISYo-002H1e-Ce; Tue, 24 Aug 2021 09:17:34 +0000 Received: from lucky1.263xmail.com ([211.157.147.134]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mISYl-002Gz2-1M for linux-rockchip@lists.infradead.org; Tue, 24 Aug 2021 09:17:32 +0000 Received: from localhost (unknown [192.168.167.16]) by lucky1.263xmail.com (Postfix) with ESMTP id 653CBCFE25; Tue, 24 Aug 2021 17:17:27 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P704T139881235867392S1629796642328500_; Tue, 24 Aug 2021 17:17:28 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER: zxg@rock-chips.com X-LOGIN-NAME: sugar.zhang@rock-chips.com X-FST-TO: broonie@kernel.org X-RCPT-COUNT: 6 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Sugar Zhang To: broonie@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Sugar Zhang Subject: [PATCH v2 04/15] ASoC: rockchip: i2s: Fix regmap_ops hang Date: Tue, 24 Aug 2021 17:17:03 +0800 Message-Id: <1629796634-4095-4-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1629796561-4025-1-git-send-email-sugar.zhang@rock-chips.com> References: <1629796561-4025-1-git-send-email-sugar.zhang@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210824_021731_375887_22CE815A X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org API 'set_fmt' maybe called when PD is off, in the situation, any register access will hang the system. so, enable PD before r/w register. Signed-off-by: Sugar Zhang --- Changes in v2: None sound/soc/rockchip/rockchip_i2s.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 2e0047d..90877e8 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -187,7 +187,9 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, { struct rk_i2s_dev *i2s = to_info(cpu_dai); unsigned int mask = 0, val = 0; + int ret = 0; + pm_runtime_get_sync(cpu_dai->dev); mask = I2S_CKR_MSS_MASK; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: @@ -200,7 +202,8 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, i2s->is_master_mode = false; break; default: - return -EINVAL; + ret = -EINVAL; + goto err_pm_put; } regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); @@ -214,7 +217,8 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, val = I2S_CKR_CKP_POS; break; default: - return -EINVAL; + ret = -EINVAL; + goto err_pm_put; } regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); @@ -237,7 +241,8 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, val = I2S_TXCR_TFS_PCM | I2S_TXCR_PBM_MODE(1); break; default: - return -EINVAL; + ret = -EINVAL; + goto err_pm_put; } regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val); @@ -260,12 +265,16 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, val = I2S_RXCR_TFS_PCM | I2S_RXCR_PBM_MODE(1); break; default: - return -EINVAL; + ret = -EINVAL; + goto err_pm_put; } regmap_update_bits(i2s->regmap, I2S_RXCR, mask, val); - return 0; +err_pm_put: + pm_runtime_put(cpu_dai->dev); + + return ret; } static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream,