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Tue, 11 Aug 2020 10:43:18 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 0C1A7C433C6; Tue, 11 Aug 2020 10:43:18 +0000 (UTC) Received: from [192.168.0.129] (unknown [183.83.142.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rohitkr) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7FDA2C433C9; Tue, 11 Aug 2020 10:43:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7FDA2C433C9 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=rohitkr@codeaurora.org Subject: Re: [PATCH v5 01/12] ASoC: qcom: Add common array to initialize soc based core clocks To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <1596528453-11437-1-git-send-email-rohitkr@codeaurora.org> <1596528453-11437-2-git-send-email-rohitkr@codeaurora.org> From: Rohit Kumar Message-ID: <3e390421-84ce-3b74-a72d-8fc09e908971@codeaurora.org> Date: Tue, 11 Aug 2020 16:13:03 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <1596528453-11437-2-git-send-email-rohitkr@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Cc: Ajit Pandey 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" Hello Mark, Do you see any concern with patches (1-11). As of now, there is comment only in patch 12 from Rob which I am planning to update once other patches are merged. Can you please review and let me know if anything is missing. Thanks, Rohit On 8/4/2020 1:37 PM, Rohit kumar wrote: > From: Ajit Pandey > > LPASS variants have their own soc specific clocks that needs to be > enabled for MI2S audio support. Added a common variable in drvdata to > initialize such clocks using bulk clk api. Such clock names is > defined in variants specific data and needs to fetched during init. > > Signed-off-by: Ajit Pandey > Signed-off-by: Rohit kumar > Reviewed-by: Srinivas Kandagatla > --- > sound/soc/qcom/lpass-apq8016.c | 39 +++++++++++++++++++-------------------- > sound/soc/qcom/lpass.h | 10 +++++++--- > 2 files changed, 26 insertions(+), 23 deletions(-) > > diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c > index b3610d0..8210e37 100644 > --- a/sound/soc/qcom/lpass-apq8016.c > +++ b/sound/soc/qcom/lpass-apq8016.c > @@ -161,32 +161,27 @@ static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) > static int apq8016_lpass_init(struct platform_device *pdev) > { > struct lpass_data *drvdata = platform_get_drvdata(pdev); > + struct lpass_variant *variant = drvdata->variant; > struct device *dev = &pdev->dev; > - int ret; > + int ret, i; > > - drvdata->pcnoc_mport_clk = devm_clk_get(dev, "pcnoc-mport-clk"); > - if (IS_ERR(drvdata->pcnoc_mport_clk)) { > - dev_err(dev, "error getting pcnoc-mport-clk: %ld\n", > - PTR_ERR(drvdata->pcnoc_mport_clk)); > - return PTR_ERR(drvdata->pcnoc_mport_clk); > - } > > - ret = clk_prepare_enable(drvdata->pcnoc_mport_clk); > + drvdata->clks = devm_kcalloc(dev, variant->num_clks, > + sizeof(*drvdata->clks), GFP_KERNEL); > + drvdata->num_clks = variant->num_clks; > + > + for (i = 0; i < drvdata->num_clks; i++) > + drvdata->clks[i].id = variant->clk_name[i]; > + > + ret = devm_clk_bulk_get(dev, drvdata->num_clks, drvdata->clks); > if (ret) { > - dev_err(dev, "Error enabling pcnoc-mport-clk: %d\n", ret); > + dev_err(dev, "Failed to get clocks %d\n", ret); > return ret; > } > > - drvdata->pcnoc_sway_clk = devm_clk_get(dev, "pcnoc-sway-clk"); > - if (IS_ERR(drvdata->pcnoc_sway_clk)) { > - dev_err(dev, "error getting pcnoc-sway-clk: %ld\n", > - PTR_ERR(drvdata->pcnoc_sway_clk)); > - return PTR_ERR(drvdata->pcnoc_sway_clk); > - } > - > - ret = clk_prepare_enable(drvdata->pcnoc_sway_clk); > + ret = clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks); > if (ret) { > - dev_err(dev, "Error enabling pcnoc_sway_clk: %d\n", ret); > + dev_err(dev, "apq8016 clk_enable failed\n"); > return ret; > } > > @@ -197,8 +192,7 @@ static int apq8016_lpass_exit(struct platform_device *pdev) > { > struct lpass_data *drvdata = platform_get_drvdata(pdev); > > - clk_disable_unprepare(drvdata->pcnoc_mport_clk); > - clk_disable_unprepare(drvdata->pcnoc_sway_clk); > + clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks); > > return 0; > } > @@ -219,6 +213,11 @@ static struct lpass_variant apq8016_data = { > .wrdma_reg_stride = 0x1000, > .wrdma_channel_start = 5, > .wrdma_channels = 2, > + .clk_name = (const char*[]) { > + "pcnoc-mport-clk", > + "pcnoc-sway-clk", > + }, > + .num_clks = 2, > .dai_driver = apq8016_lpass_cpu_dai_driver, > .num_dai = ARRAY_SIZE(apq8016_lpass_cpu_dai_driver), > .dai_osr_clk_names = (const char *[]) { > diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h > index bd19ec5..450020e 100644 > --- a/sound/soc/qcom/lpass.h > +++ b/sound/soc/qcom/lpass.h > @@ -51,9 +51,9 @@ struct lpass_data { > /* used it for handling interrupt per dma channel */ > struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; > > - /* 8016 specific */ > - struct clk *pcnoc_mport_clk; > - struct clk *pcnoc_sway_clk; > + /* SOC specific clock list */ > + struct clk_bulk_data *clks; > + int num_clks; > > }; > > @@ -89,6 +89,10 @@ struct lpass_variant { > int num_dai; > const char * const *dai_osr_clk_names; > const char * const *dai_bit_clk_names; > + > + /* SOC specific clocks configuration */ > + const char **clk_name; > + int num_clks; > }; > > /* register the platform driver from the CPU DAI driver */ -- Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member of the Code Aurora Forum, hosted by the Linux Foundation.