Re: [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus clocks dependency

From: Stephen Boyd
Date: Tue Nov 01 2016 - 19:12:42 EST


On 10/28, Sarangdhar Joshi wrote:
> @@ -380,33 +384,43 @@ EXPORT_SYMBOL(qcom_scm_is_available);
> static int qcom_scm_probe(struct platform_device *pdev)
> {
> struct qcom_scm *scm;
> + uint64_t clks;
> int ret;
>
> scm = devm_kzalloc(&pdev->dev, sizeof(*scm), GFP_KERNEL);
> if (!scm)
> return -ENOMEM;
>
> - scm->core_clk = devm_clk_get(&pdev->dev, "core");
> - if (IS_ERR(scm->core_clk)) {
> - if (PTR_ERR(scm->core_clk) == -EPROBE_DEFER)
> - return PTR_ERR(scm->core_clk);
> + clks = (uint64_t)of_device_get_match_data(&pdev->dev);
> + if (clks & SCM_HAS_CORE_CLK) {
> + scm->core_clk = devm_clk_get(&pdev->dev, "core");
> + if (IS_ERR(scm->core_clk)) {
> + if (PTR_ERR(scm->core_clk) == -EPROBE_DEFER)
> + return PTR_ERR(scm->core_clk);
>
> - scm->core_clk = NULL;
> + scm->core_clk = NULL;
> + }
> }
>
> if (of_device_is_compatible(pdev->dev.of_node, "qcom,scm")) {

Why didn't this also get added to the flags feature? I'd prefer
we either use of_device_is_compatible() for everything, or device
data to figure out what quirks to apply.

> - scm->iface_clk = devm_clk_get(&pdev->dev, "iface");
> - if (IS_ERR(scm->iface_clk)) {
> - if (PTR_ERR(scm->iface_clk) != -EPROBE_DEFER)

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