From mboxrd@z Thu Jan  1 00:00:00 1970
From: s.hauer@pengutronix.de (Sascha Hauer)
Date: Mon, 30 Mar 2015 20:16:57 +0200
Subject: [PATCH 1/6] clk: make strings in parent name arrays const
In-Reply-To: <1427738119.14276.19.camel@perches.com>
References: <1427737245-4064-1-git-send-email-s.hauer@pengutronix.de>
 <1427737245-4064-2-git-send-email-s.hauer@pengutronix.de>
 <1427738119.14276.19.camel@perches.com>
Message-ID: <20150330181657.GF9742@pengutronix.de>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Mon, Mar 30, 2015 at 10:55:19AM -0700, Joe Perches wrote:
> On Mon, 2015-03-30 at 19:40 +0200, Sascha Hauer wrote:
> > The clk functions and structs declare the parent_name arrays as
> > 'const char **parent_names' which means the parent name strings
> > are const, but the array itself is not. Use
> > 'const char * const * parent_names' instead which also makes
> > the array const. This allows us to put the parent_name arrays into
> > the __initconst section.
> 
> If these are pointer entries are stored, care needs to be
> taken to make sure that the memory isn't discarded or needed
> post init.

The clock framework makes deep copies of all initialization data
structures.

Sascha

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