From: David Mosberger <davidm@napali.hpl.hp.com>
To: Hollis Blanchard <hollisb@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: Re: [patch] input: Fix CLOCK_TICK_RATE usage ... [8/13]
Date: Wed, 18 Jun 2003 11:50:28 -0700 [thread overview]
Message-ID: <16112.46196.394280.487990@napali.hpl.hp.com> (raw)
In-Reply-To: <D1BF5DC4-A19B-11D7-A24A-000A95A0560C@us.ibm.com>
>>>>> On Wed, 18 Jun 2003 09:47:44 -0500, Hollis Blanchard <hollisb@us.ibm.com> said:
Hollis> On Tuesday, Jun 17, 2003, at 18:24 US/Central, David Mosberger wrote:
>> #ifdef CONFIG_LEGACY_HW
>> # define PIT_FREQ 1193182
>> # define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ)
>> #endif
>> This way, machines that support legacy hardware can define
>> CONFIG_LEGACY_HW and on others, the macro can be left undefined, so
>> that any attempt to compile drivers requiring legacy hw would fail to
>> compile upfront (much better than accessing random ports!).
Hollis> Is "having legacy hardware" an all-or-nothing condition for you? If
Hollis> not, a CONFIG_LEGACY_PIT might be more appropriate...
I believe it is, though I'm not entirely certain about Intel's Tiger
platform. If more fine-grained distinction really is needed, I
suspect we'd rather want something called CONFIG_8259_PIT. Might be a
good idea to do this for all legacy devices.
--david
next prev parent reply other threads:[~2003-06-18 18:36 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 [this message]
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
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