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
next prev parent 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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