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From: Dong Aisheng <aisheng.dong-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Zhao Richard-B20223
	<B20223-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
	"linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org"
	<linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org>,
	"s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org"
	<s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org"
	<rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
	Guo Shawn-R65073 <r65073-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
	"kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org"
	<kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"cjb-2X9k7bc8m7Mdnm+yROfE0A@public.gmane.org"
	<cjb-2X9k7bc8m7Mdnm+yROfE0A@public.gmane.org>,
	"devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
	<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v4 1/4] dt: add of_get_child_count helper function
Date: Fri, 27 Apr 2012 11:28:37 +0800	[thread overview]
Message-ID: <20120427032831.GE26070@shlinux2.ap.freescale.net> (raw)
In-Reply-To: <4F9976AB.1020502-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>

On Fri, Apr 27, 2012 at 12:24:11AM +0800, Stephen Warren wrote:
> On 04/26/2012 08:40 AM, Dong Aisheng wrote:
> > From: Dong Aisheng <dong.aisheng-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> > 
> > Currently most code to get child count in kernel are almost same,
> > add a helper to implement this function for dt to use.
> 
> > diff --git a/include/linux/of.h b/include/linux/of.h
> 
> > +static inline int of_get_child_count(const struct device_node *np)
> > +{
> > +	struct device_node *child = NULL;
> 
> You don't actually need to initialize child here. It doesn't really
> matter here, but in a more complex function, it might hide a
> used-before-initialized error.
> 
Correct, i could change it.

Regards
Dong Aisheng

  parent reply	other threads:[~2012-04-27  3:28 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-26 14:40 [PATCH v4 1/4] dt: add of_get_child_count helper function Dong Aisheng
2012-04-26 14:40 ` [PATCH v3 2/4] pinctrl: pinctrl-imx: add imx pinctrl core driver Dong Aisheng
     [not found]   ` <1335451227-27709-2-git-send-email-b29396-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-04-26 14:44     ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-26 15:15       ` Jean-Christophe PLAGNIOL-VILLARD
     [not found]         ` <20120426151536.GO9142-RQcB7r2h9QmfDR2tN2SG5Ni2O/JbrIOy@public.gmane.org>
2012-04-27  5:48           ` Shawn Guo
     [not found]             ` <20120427054842.GJ2234-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-04-27  6:28               ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-27  7:25                 ` Shawn Guo
2012-04-27  7:11                   ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-27  8:11                     ` Shawn Guo
2012-04-27  9:29                       ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-27  3:48       ` Dong Aisheng
2012-04-27  6:31         ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-27  7:30       ` Sascha Hauer
2012-04-26 14:44     ` Dong Aisheng
2012-04-27  5:30     ` Shawn Guo
2012-04-27  8:54   ` Shawn Guo
     [not found]     ` <20120427085402.GV2234-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-04-27 11:24       ` Dong Aisheng
2012-04-26 14:40 ` [PATCH v3 3/4] pinctrl: pinctrl-imx: add imx6q pinctrl driver Dong Aisheng
2012-04-27  5:35   ` Shawn Guo
2012-04-27  6:45   ` Sascha Hauer
     [not found]     ` <20120427064519.GO17184-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-04-27  7:16       ` Dong Aisheng
2012-04-26 14:40 ` [PATCH v3 4/4] mmc: sdhci-imx-esdhc: convert to use pinctrl subsystem Dong Aisheng
2012-04-26 16:32   ` Stephen Warren
2012-04-27  7:35   ` Sascha Hauer
     [not found]     ` <20120427073504.GS17184-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-04-27  8:29       ` Dong Aisheng
     [not found]         ` <20120427082930.GC826-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-04-27  8:26           ` Shawn Guo
2012-04-27  8:31         ` Sascha Hauer
2012-04-27  8:54           ` Dong Aisheng
2012-04-27  8:47             ` Sascha Hauer
2012-04-27  9:13               ` Dong Aisheng
     [not found] ` <1335451227-27709-1-git-send-email-b29396-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-04-26 16:24   ` [PATCH v4 1/4] dt: add of_get_child_count helper function Stephen Warren
     [not found]     ` <4F9976AB.1020502-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-04-27  3:28       ` Dong Aisheng [this message]
     [not found]         ` <20120427032831.GE26070-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-04-27  3:36           ` [PATCH v5 1/1] " Dong Aisheng
2012-04-27 15:25             ` Stephen Warren
2012-05-01 23:05             ` Linus Walleij

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