linux-kernel - Re: [PATCH v11 10/27] iommu/exynos: use managed device helper functions

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Message-ID: <CAK9yfHw7zYaX9EYFE+m3Mh-u8Uiyubx-cS0EwPmfW+0weLiBKw@mail.gmail.com>
Date:	Fri, 14 Mar 2014 20:52:43 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	Cho KyongHo <pullip.cho@...sung.com>
Cc:	Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>,
	Linux DeviceTree <devicetree@...r.kernel.org>,
	Linux IOMMU <iommu@...ts.linux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>,
	Antonios Motakis <a.motakis@...tualopensystems.com>,
	Grant Grundler <grundler@...omium.org>,
	Joerg Roedel <joro@...tes.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Prathyush <prathyush.k@...sung.com>,
	Rahul Sharma <rahul.sharma@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <t.figa@...sung.com>,
	Varun Sethi <Varun.Sethi@...escale.com>
Subject: Re: [PATCH v11 10/27] iommu/exynos: use managed device helper functions

Hi KyongHo,

On 14 March 2014 10:35, Cho KyongHo <pullip.cho@...sung.com> wrote:
> This patch uses managed device helper functions in the probe().
>
> Signed-off-by: Cho KyongHo <pullip.cho@...sung.com>
> ---
[snip]

> +       data->clk = devm_clk_get(dev, "sysmmu");
> +       if (IS_ERR(data->clk)) {
> +               dev_info(dev, "No gate clock found!\n");
> +               data->clk = NULL;
> +       }

Why aren't you returning from here upon error?

> +
> +       ret = clk_prepare(data->clk);
> +       if (ret) {
> +               dev_err(dev, "Failed to prepare clk\n");
> +               return ret;
>         }
>
>         data->sysmmu = dev;
> @@ -556,17 +553,8 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
>
>         pm_runtime_enable(dev);
>
> -       dev_dbg(dev, "Initialized\n");
> +       dev_dbg(dev, "Probed and initialized\n");

This message looks redundant.

-- 
With warm regards,
Sachin
--
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