ia64/linux-2.6.18-xen.hg

view drivers/serial/8250_hub6.c @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /*
2 * linux/drivers/serial/8250_hub6.c
3 *
4 * Copyright (C) 2005 Russell King.
5 * Data taken from include/asm-i386/serial.h
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/serial_8250.h>
15 #define HUB6(card,port) \
16 { \
17 .iobase = 0x302, \
18 .irq = 3, \
19 .uartclk = 1843200, \
20 .iotype = UPIO_HUB6, \
21 .flags = UPF_BOOT_AUTOCONF, \
22 .hub6 = (card) << 6 | (port) << 3 | 1, \
23 }
25 static struct plat_serial8250_port hub6_data[] = {
26 HUB6(0,0),
27 HUB6(0,1),
28 HUB6(0,2),
29 HUB6(0,3),
30 HUB6(0,4),
31 HUB6(0,5),
32 HUB6(1,0),
33 HUB6(1,1),
34 HUB6(1,2),
35 HUB6(1,3),
36 HUB6(1,4),
37 HUB6(1,5),
38 { },
39 };
41 static struct platform_device hub6_device = {
42 .name = "serial8250",
43 .id = PLAT8250_DEV_HUB6,
44 .dev = {
45 .platform_data = hub6_data,
46 },
47 };
49 static int __init hub6_init(void)
50 {
51 return platform_device_register(&hub6_device);
52 }
54 module_init(hub6_init);
56 MODULE_AUTHOR("Russell King");
57 MODULE_DESCRIPTION("8250 serial probe module for Hub6 cards");
58 MODULE_LICENSE("GPL");