Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753777Ab2JVMce (ORCPT ); Mon, 22 Oct 2012 08:32:34 -0400 Received: from eu1sys200aog120.obsmtp.com ([207.126.144.149]:37959 "EHLO eu1sys200aog120.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753069Ab2JVMcd (ORCPT ); Mon, 22 Oct 2012 08:32:33 -0400 From: Ulf Hansson To: Liam Girdwood , Mark Brown , , Cc: , Linus Walleij , Lee Jones , Ola Lilja , Ulf Hansson Subject: [PATCH 2/2] ASoC: Ux500: Control apb clock Date: Mon, 22 Oct 2012 14:32:05 +0200 Message-ID: <1350909125-20189-2-git-send-email-ulf.hansson@stericsson.com> X-Mailer: git-send-email 1.7.10 In-Reply-To: <1350909125-20189-1-git-send-email-ulf.hansson@stericsson.com> References: <1350909125-20189-1-git-send-email-ulf.hansson@stericsson.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3520 Lines: 114 From: Ulf Hansson When switching to common clock driver for ux500 this clock needs to be handled as well. Before this clock was internally managed by the clock driver itself. Signed-off-by: Ulf Hansson --- sound/soc/ux500/ux500_msp_dai.c | 38 ++++++++++++++++++++++++++++++++------ sound/soc/ux500/ux500_msp_dai.h | 1 + 2 files changed, 33 insertions(+), 6 deletions(-) diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c index e11187f..74bb3c0 100644 --- a/sound/soc/ux500/ux500_msp_dai.c +++ b/sound/soc/ux500/ux500_msp_dai.c @@ -398,13 +398,28 @@ static int ux500_msp_dai_startup(struct snd_pcm_substream *substream, return ret; } - /* Prepare and enable clock */ - dev_dbg(dai->dev, "%s: Enabling MSP-clock.\n", __func__); + /* Prepare and enable clocks */ + dev_dbg(dai->dev, "%s: Enabling MSP-clocks.\n", __func__); + ret = clk_prepare_enable(drvdata->pclk); + if (ret) { + dev_err(drvdata->msp->dev, + "%s: Failed to prepare/enable pclk!\n", __func__); + goto err_pclk; + } + ret = clk_prepare_enable(drvdata->clk); - if (ret) - regulator_disable(drvdata->reg_vape); + if (ret) { + dev_err(drvdata->msp->dev, + "%s: Failed to prepare/enable clk!\n", __func__); + goto err_clk; + } return ret; +err_clk: + clk_disable_unprepare(drvdata->pclk); +err_pclk: + regulator_disable(drvdata->reg_vape); + return ret; } static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream, @@ -430,8 +445,9 @@ static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream, __func__, dai->id, snd_pcm_stream_str(substream)); } - /* Disable and unprepare clock */ + /* Disable and unprepare clocks */ clk_disable_unprepare(drvdata->clk); + clk_disable_unprepare(drvdata->pclk); /* Disable regulator */ ret = regulator_disable(drvdata->reg_vape); @@ -782,6 +798,14 @@ static int __devinit ux500_msp_drv_probe(struct platform_device *pdev) } prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP, (char *)pdev->name, 50); + drvdata->pclk = clk_get(&pdev->dev, "apb_pclk"); + if (IS_ERR(drvdata->pclk)) { + ret = (int)PTR_ERR(drvdata->pclk); + dev_err(&pdev->dev, "%s: ERROR: clk_get of pclk failed (%d)!\n", + __func__, ret); + goto err_pclk; + } + drvdata->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(drvdata->clk)) { ret = (int)PTR_ERR(drvdata->clk); @@ -812,8 +836,9 @@ static int __devinit ux500_msp_drv_probe(struct platform_device *pdev) err_init_msp: clk_put(drvdata->clk); - err_clk: + clk_put(drvdata->pclk); +err_pclk: devm_regulator_put(drvdata->reg_vape); return ret; @@ -829,6 +854,7 @@ static int __devexit ux500_msp_drv_remove(struct platform_device *pdev) prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP, "ux500_msp_i2s"); clk_put(drvdata->clk); + clk_put(drvdata->pclk); ux500_msp_i2s_cleanup_msp(pdev, drvdata->msp); diff --git a/sound/soc/ux500/ux500_msp_dai.h b/sound/soc/ux500/ux500_msp_dai.h index 98202a3..9c778d9 100644 --- a/sound/soc/ux500/ux500_msp_dai.h +++ b/sound/soc/ux500/ux500_msp_dai.h @@ -69,6 +69,7 @@ struct ux500_msp_i2s_drvdata { /* Clocks */ unsigned int master_clk; struct clk *clk; + struct clk *pclk; /* Regulators */ int vape_opp_constraint; -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/