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From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/4] dt: add of_get_child_count helper function
Date: Thu, 26 Apr 2012 10:24:11 -0600	[thread overview]
Message-ID: <4F9976AB.1020502@wwwdotorg.org> (raw)
In-Reply-To: <1335451227-27709-1-git-send-email-b29396@freescale.com>

On 04/26/2012 08:40 AM, Dong Aisheng wrote:
> From: Dong Aisheng <dong.aisheng@linaro.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.

  parent reply	other threads:[~2012-04-26 16:24 UTC|newest]

Thread overview: 34+ 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
2012-04-26 14:44   ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-26 15:15     ` Jean-Christophe PLAGNIOL-VILLARD
2012-04-27  5:48       ` Shawn Guo
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
2012-04-27 11:24     ` 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
2012-04-27  8:29     ` Dong Aisheng
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
2012-04-26 16:24 ` Stephen Warren [this message]
2012-04-27  3:28   ` [PATCH v4 1/4] dt: add of_get_child_count helper function Dong Aisheng
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
     [not found] ` <1335451227-27709-3-git-send-email-b29396@freescale.com>
2012-04-27  5:35   ` [PATCH v3 3/4] pinctrl: pinctrl-imx: add imx6q pinctrl driver Shawn Guo
2012-04-27  6:45   ` Sascha Hauer
2012-04-27  7:16     ` Dong Aisheng

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