linux-kernel - Re: [PATCH v18 1/5] iommu/arm-smmu: Add pm

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Message-ID: <154342225921.88331.14467967828250776155@swboyd.mtv.corp.google.com>
Date:   Wed, 28 Nov 2018 08:24:19 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Vivek Gautam <vivek.gautam@...eaurora.org>,
        devicetree@...r.kernel.org, iommu@...ts.linux-foundation.org,
        joro@...tes.org, robh+dt@...nel.org, robin.murphy@....com,
        will.deacon@....com
Cc:     alex.williamson@...hat.com, mark.rutland@....com,
        rjw@...ysocki.net, robdclark@...il.com,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, tfiga@...omium.org,
        jcrouse@...eaurora.org, sricharan@...eaurora.org,
        m.szyprowski@...sung.com, architt@...eaurora.org,
        linux-arm-msm@...r.kernel.org, thor.thayer@...ux.intel.com,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Subject: Re: [PATCH v18 1/5] iommu/arm-smmu: Add pm_runtime/sleep ops

Quoting Vivek Gautam (2018-11-27 02:11:41)
> @@ -1966,6 +1970,23 @@ static const struct of_device_id arm_smmu_of_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, arm_smmu_of_match);
>  
> +static void arm_smmu_fill_clk_data(struct arm_smmu_device *smmu,
> +                                  const char * const *clks)
> +{
> +       int i;
> +
> +       if (smmu->num_clks < 1)
> +               return;
> +
> +       smmu->clks = devm_kcalloc(smmu->dev, smmu->num_clks,
> +                                 sizeof(*smmu->clks), GFP_KERNEL);
> +       if (!smmu->clks)
> +               return;
> +
> +       for (i = 0; i < smmu->num_clks; i++)
> +               smmu->clks[i].id = clks[i];

Is this clk_bulk_get_all()?