linux-kernel - Re: [PATCH v2 6/9] ASoC: tegra: add Tegra186 based DSPK driver

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Message-ID: <f8ed8c4a-af40-44b2-b720-4d3a9b660fda@gmail.com>
Date:   Thu, 6 Feb 2020 20:15:43 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sameer Pujar <spujar@...dia.com>
Cc:     perex@...ex.cz, tiwai@...e.com, robh+dt@...nel.org,
        broonie@...nel.org, lgirdwood@...il.com, thierry.reding@...il.com,
        jonathanh@...dia.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, sharadg@...dia.com,
        mkumard@...dia.com, viswanathl@...dia.com, rlokhande@...dia.com,
        dramesh@...dia.com, atalambedu@...dia.com
Subject: Re: [PATCH v2 6/9] ASoC: tegra: add Tegra186 based DSPK driver

30.01.2020 13:33, Sameer Pujar пишет:
> +static const struct dev_pm_ops tegra186_dspk_pm_ops = {
> +	SET_RUNTIME_PM_OPS(tegra186_dspk_runtime_suspend,
> +			   tegra186_dspk_runtime_resume, NULL)
> +	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
> +				     pm_runtime_force_resume)
> +};

Could you please explain why drivers need the "late" system sleep?