From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Turquette <mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH v2 5/7] spi: s3c64xx: add exynos5433 compatible for ioclk handling
Date: Fri, 08 Jul 2016 09:13:32 -0700
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To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Sylwester Nawrocki <s.nawrocki-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Tomasz Figa <tomasz.figa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Chanwoo Choi <cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Jaehoon Chung <jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andi Shyti <andi.shyti-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Andi Shyti <andi-ahk0KpmfxKRAfugRpC6u6w@public.gmane.org>
List-Id: devicetree@vger.kernel.org

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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