linux-kernel - Re: [PATCH] ASoC: qcom: lpass-cpu: Use optional clk APIs

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Date:   Fri, 21 May 2021 10:34:52 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>, Mark Brown <broonie@...nel.org>
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        linux-arm-msm@...r.kernel.org,
        Banajit Goswami <bgoswami@...eaurora.org>
Subject: Re: [PATCH] ASoC: qcom: lpass-cpu: Use optional clk APIs

Thanks Stephen for patch.

On 20/05/2021 02:48, Stephen Boyd wrote:
> This driver spits out a warning for me at boot:
> 
>   sc7180-lpass-cpu 62f00000.lpass: asoc_qcom_lpass_cpu_platform_probe() error getting optional null: -2
> 
> but it looks like it is all an optional clk. Use the optional clk APIs
> here so that we don't see this message and everything else is the same.
> 
> Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Cc: Banajit Goswami <bgoswami@...eaurora.org>
> Fixes: 3e53ac8230c1 ("ASoC: qcom: make osr clock optional")
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>

Lgtm,

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>


--srini

> ---
>   sound/soc/qcom/lpass-cpu.c | 12 +-----------
>   1 file changed, 1 insertion(+), 11 deletions(-)
> 
> diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
> index c62d2612e8f5..28c7497344e3 100644
> --- a/sound/soc/qcom/lpass-cpu.c
> +++ b/sound/soc/qcom/lpass-cpu.c
> @@ -835,18 +835,8 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
>   		if (dai_id == LPASS_DP_RX)
>   			continue;
>   
> -		drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(dev,
> +		drvdata->mi2s_osr_clk[dai_id] = devm_clk_get_optional(dev,
>   					     variant->dai_osr_clk_names[i]);
> -		if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) {
> -			dev_warn(dev,
> -				"%s() error getting optional %s: %ld\n",
> -				__func__,
> -				variant->dai_osr_clk_names[i],
> -				PTR_ERR(drvdata->mi2s_osr_clk[dai_id]));
> -
> -			drvdata->mi2s_osr_clk[dai_id] = NULL;
> -		}
> -
>   		drvdata->mi2s_bit_clk[dai_id] = devm_clk_get(dev,
>   						variant->dai_bit_clk_names[i]);
>   		if (IS_ERR(drvdata->mi2s_bit_clk[dai_id])) {
> 
> base-commit: 6efb943b8616ec53a5e444193dccf1af9ad627b5
>