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From: Keith Owens <kaos@ocs.com.au>
To: Martin Wilck <Martin.Wilck@fujitsu-siemens.com>
Cc: Jamie Lokier <lk@tantalophile.demon.co.uk>,
        Andreas Dilger <adilger@clusterfs.com>,
        Linux Kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Cleanup port 0x80 use (was: Re: IO delay ...) 
In-Reply-To: Your message of "Mon, 18 Mar 2002 10:18:06 BST."
             <Pine.LNX.4.33.0203180938060.9609-100000@biker.pdb.fsc.net> 
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Date: Mon, 18 Mar 2002 20:39:18 +1100
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On Mon, 18 Mar 2002 10:18:06 +0100 (CET), 
Martin Wilck <Martin.Wilck@fujitsu-siemens.com> wrote:
>On Sun, 17 Mar 2002, Jamie Lokier wrote:
>
>> As long as __SLOW_DOWN_IO_PORT is a simple constant, you can just use
>> this instead:
>>
>>     #define __SLOW_DOWN_IO_ASM	"\noutb %%al,$" #__SLOW_DOWN_IO_PORT
>
>What cpp are you guys using? Mine does stringification (#s) only with
>arguments of function-like macros. However

Recent 2.4 and 2.5 kernels have include/linux/stringify.h.  This should
work.

#define __SLOW_DOWN_IO_ASM	"\noutb %%al,$" __stringify(__SLOW_DOWN_IO_PORT)

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