All of lore.kernel.org
 help / color / mirror / Atom feed
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>,
	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, rohitkr@codeaurora.org,
	linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	swboyd@chromium.org, judyhsiao@chromium.org
Cc: Venkata Prasad Potturu <potturu@codeaurora.org>
Subject: Re: [PATCH 4/7] ASoC: codecs: lpass-va-macro: Change bulk voting to individual clock voting
Date: Mon, 20 Sep 2021 14:25:12 +0100	[thread overview]
Message-ID: <5f915592-0ca6-2839-43fc-6d9aef1484b7@linaro.org> (raw)
In-Reply-To: <1632123331-2425-5-git-send-email-srivasam@codeaurora.org>



On 20/09/2021 08:35, Srinivasa Rao Mandadapu wrote:
> Change bulk clock frequency voting to individual voting.
> 
Can you please explain why do we need to move out using clk bulk apis?

Am not seeing any thing obvious behavior changing as part of this patch, 
more details please..
> Fixes: 908e6b1df26e (ASoC: codecs: lpass-va-macro: Add support to VA Macro)

Why this has Fixes tag? Are we fixing any bug with this patch?

> 
> Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
> ---
>   sound/soc/codecs/lpass-va-macro.c | 46 ++++++++++++++++++++++++---------------
>   1 file changed, 28 insertions(+), 18 deletions(-)
> 
> diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
> index d312a14..0ea39ae 100644
> --- a/sound/soc/codecs/lpass-va-macro.c
> +++ b/sound/soc/codecs/lpass-va-macro.c
> @@ -193,7 +193,10 @@ struct va_macro {
>   
>   	int dec_mode[VA_MACRO_NUM_DECIMATORS];
>   	struct regmap *regmap;
> -	struct clk_bulk_data clks[VA_NUM_CLKS_MAX];
> +	struct clk *mclk;
> +	struct clk *macro;
> +	struct clk *dcodec;
> +
>   	struct clk_hw hw;
>   
>   	s32 dmic_0_1_clk_cnt;
> @@ -1321,7 +1324,7 @@ static const struct clk_ops fsgen_gate_ops = {
>   
>   static int va_macro_register_fsgen_output(struct va_macro *va)
>   {
> -	struct clk *parent = va->clks[2].clk;
> +	struct clk *parent = va->mclk;
>   	struct device *dev = va->dev;
>   	struct device_node *np = dev->of_node;
>   	const char *parent_clk_name;
> @@ -1404,15 +1407,18 @@ static int va_macro_probe(struct platform_device *pdev)
>   		return -ENOMEM;
>   
>   	va->dev = dev;
> -	va->clks[0].id = "macro";
> -	va->clks[1].id = "dcodec";
> -	va->clks[2].id = "mclk";
>   
> -	ret = devm_clk_bulk_get(dev, VA_NUM_CLKS_MAX, va->clks);
> -	if (ret) {
> -		dev_err(dev, "Error getting VA Clocks (%d)\n", ret);
> -		return ret;
> -	}
> +	va->macro = devm_clk_get_optional(dev, "macro");
> +	if (IS_ERR(va->macro))
> +		return PTR_ERR(va->macro);
> +
> +	va->dcodec = devm_clk_get_optional(dev, "dcodec");
> +	if (IS_ERR(va->dcodec))
> +		return PTR_ERR(va->dcodec);
> +
> +	va->mclk = devm_clk_get(dev, "mclk");
> +	if (IS_ERR(va->mclk))
> +		return PTR_ERR(va->mclk);
>   
>   	ret = of_property_read_u32(dev->of_node, "qcom,dmic-sample-rate",
>   				   &sample_rate);
> @@ -1426,10 +1432,11 @@ static int va_macro_probe(struct platform_device *pdev)
>   	}
>   
>   	/* mclk rate */
> -	clk_set_rate(va->clks[1].clk, VA_MACRO_MCLK_FREQ);
> -	ret = clk_bulk_prepare_enable(VA_NUM_CLKS_MAX, va->clks);
> -	if (ret)
> -		return ret;
> +	clk_set_rate(va->mclk, VA_MACRO_MCLK_FREQ);
> +
> +	clk_prepare_enable(va->mclk);
> +	clk_prepare_enable(va->macro);
> +	clk_prepare_enable(va->dcodec);
>   
>   	base = devm_platform_ioremap_resource(pdev, 0);
>   	if (IS_ERR(base)) {
> @@ -1457,8 +1464,9 @@ static int va_macro_probe(struct platform_device *pdev)
>   	return ret;
>   
>   err:
> -	clk_bulk_disable_unprepare(VA_NUM_CLKS_MAX, va->clks);
> -
> +	clk_disable_unprepare(va->mclk);
> +	clk_disable_unprepare(va->macro);
> +	clk_disable_unprepare(va->dcodec);
>   	return ret;
>   }
>   
> @@ -1466,8 +1474,10 @@ static int va_macro_remove(struct platform_device *pdev)
>   {
>   	struct va_macro *va = dev_get_drvdata(&pdev->dev);
>   
> -	clk_bulk_disable_unprepare(VA_NUM_CLKS_MAX, va->clks);
> -
> +	of_clk_del_provider(pdev->dev.of_node);

fsgen clk is registered using devm_* variant of clk apis, so why do we 
need this here?


--srini
> +	clk_disable_unprepare(va->mclk);
> +	clk_disable_unprepare(va->macro);
> +	clk_disable_unprepare(va->dcodec);
>   	return 0;
>   }
>   
> 

  reply	other threads:[~2021-09-20 13:25 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-20  7:35 [PATCH 0/7] Update Lpass digital codec macro drivers Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 1/7] ASoC: qcom: Add compatible names in va,wsa,rx,tx codec drivers for sc7280 Srinivasa Rao Mandadapu
2021-09-20  7:35   ` [PATCH 1/7] ASoC: qcom: Add compatible names in va, wsa, rx, tx " Srinivasa Rao Mandadapu
2021-09-20 18:17   ` [PATCH 1/7] ASoC: qcom: Add compatible names in va,wsa,rx,tx " Stephen Boyd
2021-09-20 18:17     ` Stephen Boyd
2021-09-21  8:42     ` Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 2/7] ASoC: qcom: dt-bindings: Add compatible names for lpass sc7280 digital codecs Srinivasa Rao Mandadapu
2021-09-20  7:35   ` Srinivasa Rao Mandadapu
2021-09-20 13:24   ` Srinivas Kandagatla
2021-09-21  6:59     ` Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 3/7] ASoC: codecs: tx-macro: Change mic control registers to volatile Srinivasa Rao Mandadapu
2021-09-20  7:35   ` Srinivasa Rao Mandadapu
2021-09-20 13:24   ` Srinivas Kandagatla
2021-09-21  7:30     ` Srinivasa Rao Mandadapu
2021-09-21  8:48       ` Srinivas Kandagatla
2021-09-21 13:02         ` Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 4/7] ASoC: codecs: lpass-va-macro: Change bulk voting to individual clock voting Srinivasa Rao Mandadapu
2021-09-20  7:35   ` Srinivasa Rao Mandadapu
2021-09-20 13:25   ` Srinivas Kandagatla [this message]
2021-09-21  8:14     ` Srinivasa Rao Mandadapu
2021-09-21  8:50       ` Srinivas Kandagatla
2021-09-21 12:25         ` Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 5/7] ASoC: codecs: lpass-rx-macro: " Srinivasa Rao Mandadapu
2021-09-20  7:35   ` Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 6/7] ASoC: codecs: lpass-tx-macro: " Srinivasa Rao Mandadapu
2021-09-20  7:35   ` Srinivasa Rao Mandadapu
2021-09-20  7:35 ` [PATCH 7/7] ASoC: codecs: lpass-va-macro: set mclk clock rate correctly Srinivasa Rao Mandadapu
2021-09-20  7:35   ` Srinivasa Rao Mandadapu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5f915592-0ca6-2839-43fc-6d9aef1484b7@linaro.org \
    --to=srinivas.kandagatla@linaro.org \
    --cc=agross@kernel.org \
    --cc=alsa-devel@alsa-project.org \
    --cc=bgoswami@codeaurora.org \
    --cc=bjorn.andersson@linaro.org \
    --cc=broonie@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=judyhsiao@chromium.org \
    --cc=lgirdwood@gmail.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=perex@perex.cz \
    --cc=plai@codeaurora.org \
    --cc=potturu@codeaurora.org \
    --cc=robh+dt@kernel.org \
    --cc=rohitkr@codeaurora.org \
    --cc=srivasam@codeaurora.org \
    --cc=swboyd@chromium.org \
    --cc=tiwai@suse.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.