From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: Richard Zidlicky <rz@linux-m68k.org>,
tim@cyberelk.net, linux-kernel@vger.kernel.org,
Fred Barnes <Frederick.Barnes@cern.ch>
Subject: Re: insl/outsl in parport_pc and !CONFIG_PCI
Date: Tue, 29 May 2001 02:11:56 +0200 [thread overview]
Message-ID: <20010529021156.B6061@pcep-jamie.cern.ch> (raw)
In-Reply-To: <20010527191613.A2808@rz.informatik.uni-erlangen.de>
In-Reply-To: <20010527191613.A2808@rz.informatik.uni-erlangen.de>; from rz@linux-m68k.org on Sun, May 27, 2001 at 07:16:14PM +0200
Richard Zidlicky wrote:
> How is that supposed to work on systems without PCI? For now I have
> defined
>
> #define insl(port,buf,len) isa_insb(port,buf,(len)<<2)
> #define outsl(port,buf,len) isa_outsb(port,buf,(len)<<2)
Tim, Fred,
Will 4 * inb() cycles have the same effect as 1 * inl() cycle for an EPP
mode read?
By the way, it's probably worth a check whether insl() is actually
faster than a loop doing inl() these days. Guess I should do that :)
cheers,
-- Jamie
next prev parent reply other threads:[~2001-05-29 0:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-27 17:16 Richard Zidlicky
2001-05-29 0:11 ` Jamie Lokier [this message]
2001-05-31 11:06 ` Tim Waugh
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