From: Mike Fedyk <mfedyk@matchmail.com>
To: John Bradford <john@grabjohn.com>
Cc: anthony.truong@mascorp.com, linux-kernel@vger.kernel.org,
jamie@shareable.org, willy@debian.org
Subject: Re: Memory mapped IO vs Port IO
Date: Fri, 12 Sep 2003 14:52:03 -0700 [thread overview]
Message-ID: <20030912215203.GF30584@matchmail.com> (raw)
In-Reply-To: <200309121641.h8CGflK0000145@81-2-122-30.bradfords.org.uk>
On Fri, Sep 12, 2003 at 05:41:47PM +0100, John Bradford wrote:
> #ifdef CONFIG_MMIO
> writel(... );
> readl(... );
> #endif
> #ifdef CONFIG_NO_MMIO
> outl(... );
> inl(...);
> #endif
> #ifdef CONFIG_DONT_CARE_MMIO
> if (dev->mmio) {
> writel(... );
> readl(... );
> } else {
> outl(... );
> inl(... );
> }
> #endif
If there's already a config option that keeps code from being compiled when
it's not used, then it should stay.
I'm all for a bunch of config options hidden away in broader questions in
the config system...
next prev parent reply other threads:[~2003-09-12 21:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-12 16:41 Memory mapped IO vs Port IO John Bradford
2003-09-12 21:52 ` Mike Fedyk [this message]
2003-09-13 4:01 ` Mike Fedyk
[not found] <20030911192550.7dfaf08c.ak@suse.de.suse.lists.linux.kernel>
[not found] ` <1063308053.4430.37.camel@huykhoi.suse.lists.linux.kernel>
[not found] ` <20030912162713.GA4852@sgi.com.suse.lists.linux.kernel>
[not found] ` <20030912174807.GA629@sgi.com.suse.lists.linux.kernel>
2003-09-12 18:00 ` Andi Kleen
2003-09-12 18:04 ` Jesse Barnes
2003-09-12 18:09 ` Andi Kleen
2003-09-12 18:11 ` Tim Hockin
2003-09-12 18:24 ` Jesse Barnes
2003-09-12 18:29 ` Andi Kleen
2003-09-12 18:58 ` Martin J. Bligh
2003-09-12 19:51 ` Jesse Barnes
[not found] <20030911160116.GI21596@parcelfarce.linux.theplanet.co.uk.suse.lists.linux.kernel>
2003-09-11 16:17 ` Andi Kleen
2003-09-11 16:25 ` Matthew Wilcox
2003-09-11 16:31 ` Andi Kleen
2003-09-11 16:42 ` Matthew Wilcox
2003-09-11 17:12 ` Jamie Lokier
2003-09-11 17:25 ` Andi Kleen
2003-09-12 1:39 ` jw schultz
2003-09-12 16:10 ` Anthony Dominic Truong
2003-09-12 16:22 ` Jamie Lokier
2003-09-12 16:27 ` Jesse Barnes
2003-09-12 17:48 ` Jesse Barnes
2003-09-11 17:13 ` Jamie Lokier
[not found] ` <20030911161450.GA23536@sgi.com.suse.lists.linux.kernel>
2003-09-11 16:20 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2003-09-11 16:01 Matthew Wilcox
2003-09-11 16:14 ` Måns Rullgård
2003-09-11 16:14 ` Jesse Barnes
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