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Date:   Tue, 29 Nov 2022 08:45:20 -0700
From:   Nathan Chancellor <nathan@kernel.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Cc:     agross@kernel.org, andersson@kernel.org, lgirdwood@gmail.com,
        broonie@kernel.org, robh+dt@kernel.org, quic_plai@quicinc.com,
        bgoswami@quicinc.com, perex@perex.cz, tiwai@suse.com,
        srinivas.kandagatla@linaro.org, quic_rohkumar@quicinc.com,
        linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org, swboyd@chromium.org,
        judyhsiao@chromium.org, devicetree@vger.kernel.org
Subject: Re: [PATCH] ASoC: qcom: lpass-sc7180: Add maybe_unused tag for
 system PM ops
Message-ID: <Y4YpELN4/0cesonb@dev-arch.thelio-3990X>
References: <1669726428-3140-1-git-send-email-quic_srivasam@quicinc.com>
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On Tue, Nov 29, 2022 at 06:23:48PM +0530, Srinivasa Rao Mandadapu wrote:
> Add __maybe_unused tag for system PM ops suspend and resume.
> This is required to fix allmodconfig compilation issue.
> Fixes: c3bf7699747c ("ASoC: qcom: lpass-sc7280: Add system suspend/resume PM ops")
> 
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>

A better solution would be replacing SET_SYSTEM_SLEEP_PM_OPS() with
SYSTEM_SLEEP_PM_OPS(), which was added to avoid needing to add these
'__maybe_unused' attributes to these functions. See commit 1a3c7bb08826
("PM: core: Add new *_PM_OPS macros, deprecate old ones") for more info.

> ---
>  sound/soc/qcom/lpass-sc7180.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c
> index b96b85a..41db661 100644
> --- a/sound/soc/qcom/lpass-sc7180.c
> +++ b/sound/soc/qcom/lpass-sc7180.c
> @@ -163,14 +163,14 @@ static int sc7180_lpass_exit(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -static int sc7180_lpass_dev_resume(struct device *dev)
> +static int __maybe_unused sc7180_lpass_dev_resume(struct device *dev)
>  {
>  	struct lpass_data *drvdata = dev_get_drvdata(dev);
>  
>  	return clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks);
>  }
>  
> -static int sc7180_lpass_dev_suspend(struct device *dev)
> +static int __maybe_unused sc7180_lpass_dev_suspend(struct device *dev)
>  {
>  	struct lpass_data *drvdata = dev_get_drvdata(dev);
>  
> -- 
> 2.7.4
> 
>