linux-kernel - Re: [PATCH v3 11/13] of: add property iteration helpers

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Message-ID: <20110826092632.GB3926@pulham.picochip.com>
Date:	Fri, 26 Aug 2011 10:26:32 +0100
From:	Jamie Iles <jamie@...ieiles.com>
To:	Stephen Warren <swarren@...dia.com>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Colin Cross <ccross@...roid.com>,
	Erik Gilling <konkers@...roid.com>,
	Olof Johansson <olof@...om.net>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	devicetree-discuss@...ts.ozlabs.org, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Belisko Marek <marek.belisko@...il.com>,
	Jamie Iles <jamie@...ieiles.com>,
	Shawn Guo <shawn.guo@...escale.com>,
	Sergei Shtylyov <sshtylyov@...sta.com>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v3 11/13] of: add property iteration helpers

On Thu, Aug 25, 2011 at 05:43:42PM -0600, Stephen Warren wrote:
> This patch adds macros for_each_u32_property_value and
> for_each_string_property_value, which iterate over an array of values
> within a device-tree property. Usage is for example:
> 
> struct of_iter_string_prop iter;
> for_each_string_property_value(iter, np, "pins")
>         printk("Got value %s\n", iter.value);
> 
> Signed-off-by: Stephen Warren <swarren@...dia.com>

Nicely implemented!  For the !CONFIG_OF case, I *think* that 
of_iter_u32_prop and of_iter_string_prop can be empty struct's, but I 
wouldn't want to bet money on that!

Reviewed-by: Jamie Iles <jamie@...ieiles.com>
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