[PATCH v2 5/7] spi: s3c64xx: add exynos5433 compatible for ioclk handling
Michael Turquette
mturquette at baylibre.com
Fri Jul 8 09:13:32 PDT 2016
Quoting Andi Shyti (2016-07-08 07:46:39)
> @@ -1147,6 +1150,21 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
> goto err_disable_clk;
> }
>
> + if (sdd->port_conf->clk_ioclk) {
> + sdd->ioclk = devm_clk_get(&pdev->dev, "spi_ioclk");
> + if (IS_ERR(sdd->ioclk)) {
> + dev_err(&pdev->dev, "Unable to acquire 'ioclk'\n");
> + ret = PTR_ERR(sdd->ioclk);
> + goto err_disable_src_clk;
> + }
> +
> + ret = clk_prepare_enable(sdd->ioclk);
> + if (ret) {
> + dev_err(&pdev->dev, "Couldn't enable clock 'ioclk'\n");
> + goto err_disable_src_clk;
> + }
> + }
> +
> pm_runtime_set_autosuspend_delay(&pdev->dev, AUTOSUSPEND_TIMEOUT);
> pm_runtime_use_autosuspend(&pdev->dev);
> pm_runtime_set_active(&pdev->dev);
> @@ -1193,6 +1211,8 @@ err_pm_put:
> pm_runtime_disable(&pdev->dev);
> pm_runtime_set_suspended(&pdev->dev);
>
> + clk_disable_unprepare(sdd->ioclk);
> +err_disable_src_clk:
> clk_disable_unprepare(sdd->src_clk);
> err_disable_clk:
> clk_disable_unprepare(sdd->clk);
Why aren't these clocks enabled/disabled by calls to pm_runtime_get/put?
Regards,
Mike
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