From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 9B2B8C433F5 for ; Thu, 9 Sep 2021 12:07:15 +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 5907F60FE3 for ; Thu, 9 Sep 2021 12:07:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5907F60FE3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=yrbno5ZX0vYowzQQwhNqUZDCl3wh3+6ILe+Ktl0l0Ds=; b=s3CYNnCW2K9dfC PKI8CllcOETGhNz/XMk/xrFqInvYbPQSikCgTx5yiqcfqe6ytgmjixMdWy7mxP8sHPzaKcI7+L4Mr qZw8tV7sujyvGZE4WOMrcrwREZD5YzGngOA6dpKJsplUpAWhOGeOHsEelMFzLVGR8eE3rz3rNwZ0E 01rLEDXiz6i+O0GE2JQaD69TcrBOi1swmuWSC01v/sxzq48ycEAkINTwOgnC4Kzt1qW8uCKQsOya0 i7Jwd+TU1rNz7lwapHvBmQLhe+8h97UWRTUkORwyKCFrgxXa8nTD6AP7TejARS7ZWVwEBsupqbp0h yVXil7y2ImsPKESDnuTQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mOIns-009G4I-6w; Thu, 09 Sep 2021 12:05:16 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mOIV9-0095nQ-Vv; Thu, 09 Sep 2021 11:45:57 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id AEE87613A9; Thu, 9 Sep 2021 11:45:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631187955; bh=VXGuYL61ANt4FhnQuzUI9Qfv/IaOG8jtek1j0NNjLsY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D6JeJooMnmOChYDQi689bkMC6YAs5AlqnZRy3M2vTZFDboBveZho/R9CRMaMqhGz/ F+rZsOu4tLco3WUrdQuQ+nrPd9p1LN5ohHedlmH++sNf4fDH+4kZyOWnSeRmOKeBgV zKnyTgVjWXvtcd+mPxShIxH1oPfMyw/R5JM6CXkmPkVdn7OSx9+S2UqiREiBKLJ5yX FnniTLWs/qi6gwDDjom4DgA8GVqsQ7ve6NH5x3byDbKUG0DUqzNJ2oL8DgIiEX3uK7 5cI0MRurZOeVg0aj7zwtTUGGqtB+e48gRR6yOk3HXzEvayReKe4RERV3oG/6ZbOo8a IUG5XYP8yxdCQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sugar Zhang , Mark Brown , Sasha Levin , alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH AUTOSEL 5.14 222/252] ASoC: rockchip: i2s: Fix regmap_ops hang Date: Thu, 9 Sep 2021 07:40:36 -0400 Message-Id: <20210909114106.141462-222-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210909114106.141462-1-sashal@kernel.org> References: <20210909114106.141462-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210909_044556_132342_561A7AB8 X-CRM114-Status: GOOD ( 10.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sugar Zhang [ Upstream commit 53ca9b9777b95cdd689181d7c547e38dc79adad0 ] 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 Link: https://lore.kernel.org/r/1629950520-14190-4-git-send-email-sugar.zhang@rock-chips.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- 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 c7dc3509bceb..1fd47e56c77f 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -186,7 +186,9 @@ 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: @@ -199,7 +201,8 @@ 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); @@ -213,7 +216,8 @@ 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); @@ -236,7 +240,8 @@ 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); @@ -259,12 +264,16 @@ 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, -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel