linux-kernel - devm_request_and

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Message-ID: <alpine.DEB.2.02.1202041922070.1974@hadrien>
Date:	Sat, 4 Feb 2012 19:25:05 +0100 (CET)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Wolfram Sang <w.sang@...gutronix.de>
cc:	Julia Lawall <julia.lawall@...6.fr>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	Takashi Iwai <tiwai@...e.de>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dong Aisheng-B29396 <B29396@...escale.com>,
	Liam Girdwood <lrg@...com>
Subject: devm_request_and_ioremap

How important is the name argument to request_mem_region?

devm_request_and_ioremap uses:

name = res->name ?: dev_name(dev);

In trying to introduce uses of devm_request_and_ioremap I thus look for 
res->name and dev_name(dev) as well as the name in the driver structure in
the platform_driver structure.  But sometimes the name is pdev->name, ie 
the name field of the argument to the probe function.  And sometimes it is 
a string that is slightly different than what is in the driver structure.

thanks,
julia
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