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From: robin.murphy@arm•com (Robin Murphy)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v5 4/6] memory: mediatek: Add SMI driver
Date: Tue, 27 Oct 2015 13:24:34 +0000	[thread overview]
Message-ID: <562F7B12.7030201@arm.com> (raw)
In-Reply-To: <1444357388-30257-5-git-send-email-yong.wu@mediatek.com>

On 09/10/15 03:23, Yong Wu wrote:
[...]
> +static int mtk_smi_probe(struct platform_device *pdev)
> +{
> +	struct device *dev = &pdev->dev;
> +	struct mtk_smi_data *smidata;
> +	int ret;
> +
> +	if (!dev->pm_domain)
> +		return -EPROBE_DEFER;
> +
> +	smidata = devm_kzalloc(dev, sizeof(*smidata), GFP_KERNEL);
> +	if (!smidata)
> +		return -ENOMEM;
> +
> +	smidata->clk_apb = devm_clk_get(dev, "apb");
> +	if (IS_ERR(smidata->clk_apb))
> +		return PTR_ERR(smidata->clk_apb);
> +
> +	smidata->clk_smi = devm_clk_get(dev, "smi");
> +	if (IS_ERR(smidata->clk_smi))
> +		return PTR_ERR(smidata->clk_smi);
> +
> +	pm_runtime_enable(dev);
> +	dev_set_drvdata(dev, smidata);
> +	return ret;

ret is used uninitialised here, but you might as well just "return 0;" 
and get rid of the variable entirely.

> +}

Robin.

  reply	other threads:[~2015-10-27 13:24 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-09  2:23 [PATCH v5 0/6] MT8173 IOMMU SUPPORT Yong Wu
2015-10-09  2:23 ` [PATCH v5 1/6] dt-bindings: iommu: Add binding for mediatek IOMMU Yong Wu
2015-10-09  2:23 ` [PATCH v5 2/6] dt-bindings: mediatek: Add smi dts binding Yong Wu
2015-10-09  2:23 ` [PATCH v5 3/6] iommu: add ARM short descriptor page table allocator Yong Wu
2015-10-14 12:54   ` Joerg Roedel
2015-10-15 17:20     ` Will Deacon
2015-11-06  8:42   ` Yong Wu
2015-11-06 11:42     ` Will Deacon
2015-10-09  2:23 ` [PATCH v5 4/6] memory: mediatek: Add SMI driver Yong Wu
2015-10-27 13:24   ` Robin Murphy [this message]
2015-10-31  8:32     ` Yong Wu
2015-10-09  2:23 ` [PATCH v5 5/6] iommu/mediatek: Add mt8173 IOMMU driver Yong Wu
2015-10-14 12:53   ` Joerg Roedel
2015-10-26  5:23     ` Yong Wu
2015-10-27 13:25   ` Robin Murphy
2015-10-31  8:28     ` Yong Wu
2015-10-09  2:23 ` [PATCH v5 6/6] dts: mt8173: Add iommu/smi nodes for mt8173 Yong Wu
2015-10-14 12:56 ` [PATCH v5 0/6] MT8173 IOMMU SUPPORT Joerg Roedel
2015-10-22  4:40   ` Yong Wu
2015-10-23  9:26     ` Joerg Roedel
2015-11-24  5:58       ` Yong Wu
2015-11-24 10:38         ` Thierry Reding
2015-11-25  1:30           ` Yong Wu

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