linux-kernel - Re: [PATCH] new helper to define common struct resource constructs

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Message-Id: <20110713141849.b8cbf675.akpm@linux-foundation.org>
Date:	Wed, 13 Jul 2011 14:18:49 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	=?ISO-8859-1?Q? "Uwe_Kleine-K=F6nig" ?= 
	<u.kleine-koenig@...gutronix.de>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Wolfram Sang <w.sang@...gutronix.de>,
	thierry.nolf.barco@...il.com, Huang Shijie <b32955@...escale.com>,
	linux-mtd@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	Lothar Waßmann <LW@...o-electronics.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] new helper to define common struct resource constructs

On Tue, 12 Jul 2011 15:29:17 +0200
Arnd Bergmann <arnd@...db.de> wrote:

> On Monday 11 July 2011, Uwe Kleine-K__nig wrote:
> > resource definitions that just define start, end and flags = IORESOURCE_MEM
> > or IORESOURCE_IRQ (with start=end) are quite common. So introduce a shortcut
> > for them. Also make available a macro to specify named resources of both
> > types which are less common.
> > 
> > Signed-off-by: Uwe Kleine-K____nig <u.kleine-koenig@...gutronix.de>
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>
> 
> What do others think, is this worthwhile?
> Should we also define macros for IORESOURCE_IO and IORESOURCE_DMA?
> 

It would help if we could see some usage examples (ie: sample
conversions), to get a better idea of the value of this.

Also, DEFINE_RES_NAMED() is going to need a bunch of argument
parentheses to make it bulletproof.

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