leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Input: wistron - convert to the new platform device interface

Browse Source 
Do not use platform_device_register_simple() as it is going away,
implement ->probe() and ->remove() functions so manual binding and
unbinding would work.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2005-12-28 01:26:24 -05:00
parent 9d6c25029d
commit e7c3aad53d
1 changed files with 68 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
drivers/input/misc/wistron_btns.c
View File

@ -174,7 +174,7 @@ static u16 bios_pop_queue(void)
return regs.eax;
}
static void __init bios_attach(void)
static void __devinit bios_attach(void)
{
struct regs regs;
@ -194,7 +194,7 @@ static void bios_detach(void)
call_bios(&regs);
}
static u8 __init bios_get_cmos_address(void)
static u8 __devinit bios_get_cmos_address(void)
{
struct regs regs;
@ -206,7 +206,7 @@ static u8 __init bios_get_cmos_address(void)
return regs.ecx;
}
static u16 __init bios_get_default_setting(u8 subsys)
static u16 __devinit bios_get_default_setting(u8 subsys)
{
struct regs regs;
@ -367,7 +367,7 @@ static int __init select_keymap(void)
static struct input_dev *input_dev;
static int __init setup_input_dev(void)
static int __devinit setup_input_dev(void)
{
const struct key_entry *key;
int error;
@ -466,6 +466,52 @@ static void poll_bios(unsigned long discard)
mod_timer(&poll_timer, jiffies + HZ / POLL_FREQUENCY);
}
static int __devinit wistron_probe(struct platform_device *dev)
{
int err = setup_input_dev();
if (err)
return err;
bios_attach();
cmos_address = bios_get_cmos_address();
if (have_wifi) {
u16 wifi = bios_get_default_setting(WIFI);
if (wifi & 1)
wifi_enabled = (wifi & 2) ? 1 : 0;
else
have_wifi = 0;
if (have_wifi)
bios_set_state(WIFI, wifi_enabled);
}
if (have_bluetooth) {
u16 bt = bios_get_default_setting(BLUETOOTH);
if (bt & 1)
bluetooth_enabled = (bt & 2) ? 1 : 0;
else
have_bluetooth = 0;
if (have_bluetooth)
bios_set_state(BLUETOOTH, bluetooth_enabled);
}
poll_bios(1); /* Flush stale event queue and arm timer */
return 0;
}
static int __devexit wistron_remove(struct platform_device *dev)
{
del_timer_sync(&poll_timer);
input_unregister_device(input_dev);
bios_detach();
return 0;
}
#ifdef CONFIG_PM
static int wistron_suspend(struct platform_device *dev, pm_message_t state)
{
del_timer_sync(&poll_timer);
@ -491,13 +537,20 @@ static int wistron_resume(struct platform_device *dev)
return 0;
}
#else
#define wistron_suspend NULL
#define wistron_resume NULL
#endif
static struct platform_driver wistron_driver = {
.suspend = wistron_suspend,
.resume = wistron_resume,
.driver = {
.name = "wistron-bios",
.owner = THIS_MODULE,
},
.probe = wistron_probe,
.remove = __devexit_p(wistron_remove),
.suspend = wistron_suspend,
.resume = wistron_resume,
};
static int __init wb_module_init(void)
@ -512,55 +565,27 @@ static int __init wb_module_init(void)
if (err)
return err;
bios_attach();
cmos_address = bios_get_cmos_address();
err = platform_driver_register(&wistron_driver);
if (err)
goto err_detach_bios;
goto err_unmap_bios;
wistron_device = platform_device_register_simple("wistron-bios", -1, NULL, 0);
if (IS_ERR(wistron_device)) {
err = PTR_ERR(wistron_device);
wistron_device = platform_device_alloc("wistron-bios", -1);
if (!wistron_device) {
err = -ENOMEM;
goto err_unregister_driver;
}
if (have_wifi) {
u16 wifi = bios_get_default_setting(WIFI);
if (wifi & 1)
wifi_enabled = (wifi & 2) ? 1 : 0;
else
have_wifi = 0;
if (have_wifi)
bios_set_state(WIFI, wifi_enabled);
}
if (have_bluetooth) {
u16 bt = bios_get_default_setting(BLUETOOTH);
if (bt & 1)
bluetooth_enabled = (bt & 2) ? 1 : 0;
else
have_bluetooth = 0;
if (have_bluetooth)
bios_set_state(BLUETOOTH, bluetooth_enabled);
}
err = setup_input_dev();
err = platform_device_add(wistron_device);
if (err)
goto err_unregister_device;
poll_bios(1); /* Flush stale event queue and arm timer */
goto err_free_device;
return 0;
err_unregister_device:
platform_device_unregister(wistron_device);
err_free_device:
platform_device_put(wistron_device);
err_unregister_driver:
platform_driver_unregister(&wistron_driver);
err_detach_bios:
bios_detach();
err_unmap_bios:
unmap_bios();
return err;
@ -568,11 +593,8 @@ static int __init wb_module_init(void)
static void __exit wb_module_exit(void)
{
del_timer_sync(&poll_timer);
input_unregister_device(input_dev);
platform_device_unregister(wistron_device);
platform_driver_unregister(&wistron_driver);
bios_detach();
unmap_bios();
}