linux-kernel - Re: [PATCH] remove DMA_nBIT

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Message-ID: <4A02A2D8.4090209@cn.fujitsu.com>
Date:	Thu, 07 May 2009 16:59:04 +0800
From:	Yang Hongyang <yanghy@...fujitsu.com>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [PATCH] remove DMA_nBIT_MASK macro

Jiri Slaby wrote:
> On 05/07/2009 10:29 AM, Yang Hongyang wrote:
>> Shall we use something like below to warn people?
>> #define DMA_64BIT_MASK	DMA_BIT_MASK(64);(__deprecated warnings:use DMA_BIT_MASK(64) instead) ?
> 
> Something like an irq flags deprecation in the past:
> http://lwn.net/Articles/229673/
> ?

good catch,but this need to be modified (add one line is enough)to cause their use to
cause __deprecated warnings.

> 
> I don't know how many in-initializer (struct x x = { DMA_64BIT_MASK } )
> users are out there though.
> 
> 


-- 
Regards
Yang Hongyang
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