Root/
| 1 | /* |
| 2 | * Virtual EISA root driver. |
| 3 | * Acts as a placeholder if we don't have a proper EISA bridge. |
| 4 | * |
| 5 | * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org> |
| 6 | * |
| 7 | * This code is released under the GPL version 2. |
| 8 | */ |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/platform_device.h> |
| 12 | #include <linux/eisa.h> |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
| 15 | #include <linux/init.h> |
| 16 | |
| 17 | #if defined(CONFIG_ALPHA_JENSEN) || defined(CONFIG_EISA_VLB_PRIMING) |
| 18 | #define EISA_FORCE_PROBE_DEFAULT 1 |
| 19 | #else |
| 20 | #define EISA_FORCE_PROBE_DEFAULT 0 |
| 21 | #endif |
| 22 | |
| 23 | static int force_probe = EISA_FORCE_PROBE_DEFAULT; |
| 24 | static void virtual_eisa_release (struct device *); |
| 25 | |
| 26 | /* The default EISA device parent (virtual root device). |
| 27 | * Now use a platform device, since that's the obvious choice. */ |
| 28 | |
| 29 | static struct platform_device eisa_root_dev = { |
| 30 | .name = "eisa", |
| 31 | .id = 0, |
| 32 | .dev = { |
| 33 | .release = virtual_eisa_release, |
| 34 | }, |
| 35 | }; |
| 36 | |
| 37 | static struct eisa_root_device eisa_bus_root = { |
| 38 | .dev = &eisa_root_dev.dev, |
| 39 | .bus_base_addr = 0, |
| 40 | .res = &ioport_resource, |
| 41 | .slots = EISA_MAX_SLOTS, |
| 42 | .dma_mask = 0xffffffff, |
| 43 | }; |
| 44 | |
| 45 | static void virtual_eisa_release (struct device *dev) |
| 46 | { |
| 47 | /* nothing really to do here */ |
| 48 | } |
| 49 | |
| 50 | static int __init virtual_eisa_root_init (void) |
| 51 | { |
| 52 | int r; |
| 53 | |
| 54 | if ((r = platform_device_register (&eisa_root_dev))) { |
| 55 | return r; |
| 56 | } |
| 57 | |
| 58 | eisa_bus_root.force_probe = force_probe; |
| 59 | |
| 60 | dev_set_drvdata(&eisa_root_dev.dev, &eisa_bus_root); |
| 61 | |
| 62 | if (eisa_root_register (&eisa_bus_root)) { |
| 63 | /* A real bridge may have been registered before |
| 64 | * us. So quietly unregister. */ |
| 65 | platform_device_unregister (&eisa_root_dev); |
| 66 | return -1; |
| 67 | } |
| 68 | |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | module_param (force_probe, int, 0444); |
| 73 | |
| 74 | device_initcall (virtual_eisa_root_init); |
| 75 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9
