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Message-ID: <861cd4c1-43a9-8175-7ad1-e7e51f5781b4@linaro.org>
Date:   Fri, 25 Feb 2022 13:37:01 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, robh+dt@...nel.org, quic_plai@...cinc.com,
        bgoswami@...eaurora.org, perex@...ex.cz, tiwai@...e.com,
        rohitkr@...eaurora.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, swboyd@...omium.org,
        judyhsiao@...omium.org, koul@...nel.org,
        yung-chuan.liao@...ux.intel.com,
        pierre-louis.bossart@...ux.intel.com, sanyog.r.kale@...el.com
Cc:     Venkata Prasad Potturu <quic_potturu@...cinc.com>
Subject: Re: [PATCH] soundwire: qcom: remove redundant wait for completion



On 25/02/2022 13:27, Srinivasa Rao Mandadapu wrote:
> Remove wait_for_completion_timeout from soundwire probe
> as it seems unnecessary and device enumeration is anyway not
> happening here.

May be some details on the side effects of this wait would be good to 
add in the log.

> Also, as device enumeration event is dependent on wcd938x probe to be
> completed, its of no use waiting here.

fix tag is missing

Fixes: 06dd96738d618 ("soundwire: qcom: wait for enumeration to be 
complete in probe")

> 
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
> Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
> ---
>   drivers/soundwire/qcom.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index 5481341..9a32a24 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -1309,8 +1309,6 @@ static int qcom_swrm_probe(struct platform_device *pdev)
>   	}
>   
>   	qcom_swrm_init(ctrl);
> -	wait_for_completion_timeout(&ctrl->enumeration,
> -				    msecs_to_jiffies(TIMEOUT_MS));
>   	ret = qcom_swrm_register_dais(ctrl);
>   	if (ret)
>   		goto err_master_add;

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