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From: Yong Wu <yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
	Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Matthias Brugger
	<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	Daniel Kurtz <djkurtz-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Tomasz Figa <tfiga-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Lucas Stach <l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Sasha Hauer <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	pebolle-IWqWACnzNjzz+pZb47iToQ@public.gmane.org,
	arnd-r2nGTMty4D4@public.gmane.org,
	mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	Sricharan R <sricharan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	youhua.li-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	k.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
	kendrick.hsu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org
Subject: Re: [PATCH v5 4/6] memory: mediatek: Add SMI driver
Date: Sat, 31 Oct 2015 16:32:30 +0800	[thread overview]
Message-ID: <1446280350.13050.90.camel@mhfsdcap03> (raw)
In-Reply-To: <562F7B12.7030201-5wv7dgnIgG8@public.gmane.org>

On Tue, 2015-10-27 at 13:24 +0000, Robin Murphy wrote:
> 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.

Thanks. I will change to "return 0" directly.

> 
> > +}
> 
> Robin.
> 


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  parent reply	other threads:[~2015-10-31  8:32 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
     [not found]   ` <1444357388-30257-4-git-send-email-yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2015-10-14 12:54     ` Joerg Roedel
     [not found]       ` <20151014125419.GP27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
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
     [not found]   ` <1444357388-30257-5-git-send-email-yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2015-10-27 13:24     ` Robin Murphy
     [not found]       ` <562F7B12.7030201-5wv7dgnIgG8@public.gmane.org>
2015-10-31  8:32         ` Yong Wu [this message]
2015-10-09  2:23 ` [PATCH v5 5/6] iommu/mediatek: Add mt8173 IOMMU driver Yong Wu
     [not found]   ` <1444357388-30257-6-git-send-email-yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2015-10-14 12:53     ` Joerg Roedel
     [not found]       ` <20151014125309.GO27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-26  5:23         ` Yong Wu
2015-10-27 13:25     ` Robin Murphy
     [not found]       ` <562F7B46.1040109-5wv7dgnIgG8@public.gmane.org>
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
     [not found] ` <1444357388-30257-1-git-send-email-yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2015-10-14 12:56   ` [PATCH v5 0/6] MT8173 IOMMU SUPPORT Joerg Roedel
     [not found]     ` <20151014125620.GQ27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-22  4:40       ` Yong Wu
2015-10-23  9:26         ` Joerg Roedel
     [not found]           ` <20151023092636.GX27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-11-24  5:58             ` Yong Wu
2015-11-24 10:38               ` Thierry Reding
     [not found]                 ` <20151124103819.GE17658-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2015-11-25  1:30                   ` Yong Wu

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