From: Russell King <rmk@arm.linux.org.uk>
To: Oliver Neukum <oliver@neukum.org>
Cc: Vojtech Pavlik <vojtech@suse.cz>, linux-kernel@vger.kernel.org
Subject: Re: [patch] input: Add PCI PS/2 controller support [5/13]
Date: Sat, 14 Jun 2003 22:04:01 +0100 [thread overview]
Message-ID: <20030614220401.G14835@flint.arm.linux.org.uk> (raw)
In-Reply-To: <200306142251.51235.oliver@neukum.org>; from oliver@neukum.org on Sat, Jun 14, 2003 at 10:51:51PM +0200
On Sat, Jun 14, 2003 at 10:51:51PM +0200, Oliver Neukum wrote:
> > +static int pcips2_write(struct serio *io, unsigned char val)
> > +{
> > + struct pcips2_data *ps2if = io->driver;
> > + unsigned int stat;
> > +
> > + do {
> > + stat = inb(ps2if->base + PS2_STATUS);
> > + cpu_relax();
> > + } while (!(stat & PS2_STAT_TXEMPTY));
>
> What will happen if somebody unplugs the base station while this
> is running?
PCI guarantees that we'll read 0xff, which means we will not loop.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
prev parent reply other threads:[~2003-06-14 20:50 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-14 20:35 [patch] input: Implement device grabbing [1/13] Vojtech Pavlik
2003-06-14 20:36 ` [patch] input: Fix sunkbd keybit bitfield filling [2/13] Vojtech Pavlik
2003-06-14 20:37 ` [patch] input: Implement HID quirk for A4Tech mice [3/13] Vojtech Pavlik
2003-06-14 20:39 ` [patch] input: Add hiragana/katakana keys to atkbd.c [4/13] Vojtech Pavlik
2003-06-14 20:40 ` [patch] input: Add PCI PS/2 controller support [5/13] Vojtech Pavlik
2003-06-14 20:40 ` [patch] input: Turn numlock ON on HP HIL machines [6/13] Vojtech Pavlik
2003-06-14 20:41 ` [patch] input: Add keys for HP HIL [7/13] Vojtech Pavlik
2003-06-14 20:42 ` [patch] input: Fix CLOCK_TICK_RATE usage ... [8/13] Vojtech Pavlik
2003-06-14 20:43 ` [patch] input: Fix i8042 interrupts on I2000 ia64 machines [9/13] Vojtech Pavlik
2003-06-14 20:44 ` [patch] input: Fix sending reports in USB HID [10/13] Vojtech Pavlik
2003-06-14 20:45 ` [patch] input: Fix hiddev_ioctl() [11/13] Vojtech Pavlik
2003-06-14 20:45 ` [patch] input: Fix minor errors in input-programming.txt [12/13] Vojtech Pavlik
2003-06-14 20:46 ` [patch] input: Add Synaptics touchpad support [13/13] Vojtech Pavlik
2003-06-14 21:05 ` [patch] input: Fix CLOCK_TICK_RATE usage ... [8/13] Riley Williams
2003-06-14 21:14 ` Vojtech Pavlik
2003-06-15 10:51 ` Riley Williams
2003-06-16 18:57 ` David Mosberger
2003-06-17 22:11 ` Riley Williams
2003-06-17 22:19 ` David Mosberger
2003-06-17 22:21 ` Vojtech Pavlik
2003-06-17 22:34 ` David Mosberger
2003-06-17 22:42 ` Vojtech Pavlik
2003-06-17 22:48 ` Russell King
2003-06-17 22:53 ` Vojtech Pavlik
2003-06-19 12:13 ` David Woodhouse
2003-06-19 14:19 ` Russell King
2003-06-17 23:08 ` David Mosberger
2003-06-17 23:14 ` Vojtech Pavlik
2003-06-17 23:24 ` David Mosberger
2003-06-17 23:31 ` Vojtech Pavlik
2003-06-18 0:47 ` george anzinger
2003-06-25 8:03 ` Riley Williams
2003-06-25 17:20 ` David Mosberger
2003-06-25 17:56 ` Riley Williams
2003-06-25 18:49 ` David Mosberger
2003-06-25 19:58 ` Vojtech Pavlik
2003-06-25 20:09 ` David Mosberger
2003-06-25 20:25 ` Assorted warnings while building 2.5.73 J.C. Wren
2003-06-18 14:47 ` [patch] input: Fix CLOCK_TICK_RATE usage ... [8/13] Hollis Blanchard
2003-06-18 18:50 ` David Mosberger
2003-06-17 22:21 ` Russell King
2003-06-17 22:38 ` Vojtech Pavlik
2003-06-18 0:46 ` george anzinger
2003-06-18 1:00 ` george anzinger
2003-06-14 20:51 ` [patch] input: Add PCI PS/2 controller support [5/13] Oliver Neukum
2003-06-14 21:03 ` Vojtech Pavlik
2003-06-14 21:04 ` Russell King [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030614220401.G14835@flint.arm.linux.org.uk \
--to=rmk@arm.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=oliver@neukum.org \
--cc=vojtech@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).