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From: Arnd Bergmann <arnd@arndb.de>
To: Vernon Mauery <vernux@us.ibm.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Keith Mannthey <kmannth@us.ibm.com>
Subject: Re: [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v4
Date: Fri, 24 Sep 2010 22:40:38 +0200	[thread overview]
Message-ID: <201009242240.38987.arnd@arndb.de> (raw)
In-Reply-To: <20100924182327.GC10777@lucy>

On Friday 24 September 2010 20:23:27 Vernon Mauery wrote:
> No, inb/outb have address as as unsigned long, which would explain why 
> 0x40000 works with PIO.  When doing inb/outb via the ioread/iowrite 
> macros, the port value is the address (minus the offset) masked off to 
> PIO_MASK, which is 16 bits on x86.

What I meant is that the inb/outb *instructions* only take a 16 bit
argument, not the kernel functions. You should really try to find
out what is going on there.

	Arnd

  reply	other threads:[~2010-09-24 20:40 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-21 22:46 [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v3 Vernon Mauery
2010-09-23 21:38 ` Randy Dunlap
2010-09-23 22:12   ` Vernon Mauery
2010-09-23 22:53     ` [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v4 Vernon Mauery
2010-09-24 13:12       ` Arnd Bergmann
2010-09-24 14:14         ` Vernon Mauery
2010-09-24 14:24           ` Arnd Bergmann
2010-09-24 16:56           ` Randy Dunlap
2010-09-24 21:06             ` [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v5 Vernon Mauery
2010-09-24 21:20               ` Randy Dunlap
2010-09-24 21:30                 ` Vernon Mauery
2010-09-24 21:35                   ` Randy Dunlap
2010-09-24 21:58                     ` [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v6 Vernon Mauery
2010-09-25  2:07                   ` [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v5 Henrique de Moraes Holschuh
2010-09-25 14:42                     ` [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v6 Vernon Mauery
2010-09-24 17:09           ` [RFC][Patch] IBM Real-Time "SMI Free" mode driver -v4 Vernon Mauery
2010-09-24 17:40             ` Arnd Bergmann
2010-09-24 18:23               ` Vernon Mauery
2010-09-24 20:40                 ` Arnd Bergmann [this message]
2010-09-24 20:45                 ` Vernon Mauery

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