mirror of https://gitee.com/openkylin/linux.git
Input: wistron - convert to the new platform device interface
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
parent
9d6c25029d
commit
e7c3aad53d
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@ -174,7 +174,7 @@ static u16 bios_pop_queue(void)
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return regs.eax;
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}
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static void __init bios_attach(void)
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static void __devinit bios_attach(void)
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{
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struct regs regs;
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@ -194,7 +194,7 @@ static void bios_detach(void)
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call_bios(®s);
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}
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static u8 __init bios_get_cmos_address(void)
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static u8 __devinit bios_get_cmos_address(void)
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{
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struct regs regs;
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@ -206,7 +206,7 @@ static u8 __init bios_get_cmos_address(void)
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return regs.ecx;
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}
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static u16 __init bios_get_default_setting(u8 subsys)
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static u16 __devinit bios_get_default_setting(u8 subsys)
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{
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struct regs regs;
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@ -367,7 +367,7 @@ static int __init select_keymap(void)
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static struct input_dev *input_dev;
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static int __init setup_input_dev(void)
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static int __devinit setup_input_dev(void)
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{
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const struct key_entry *key;
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int error;
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@ -466,6 +466,52 @@ static void poll_bios(unsigned long discard)
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mod_timer(&poll_timer, jiffies + HZ / POLL_FREQUENCY);
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}
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static int __devinit wistron_probe(struct platform_device *dev)
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{
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int err = setup_input_dev();
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if (err)
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return err;
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bios_attach();
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cmos_address = bios_get_cmos_address();
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if (have_wifi) {
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u16 wifi = bios_get_default_setting(WIFI);
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if (wifi & 1)
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wifi_enabled = (wifi & 2) ? 1 : 0;
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else
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have_wifi = 0;
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if (have_wifi)
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bios_set_state(WIFI, wifi_enabled);
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}
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if (have_bluetooth) {
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u16 bt = bios_get_default_setting(BLUETOOTH);
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if (bt & 1)
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bluetooth_enabled = (bt & 2) ? 1 : 0;
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else
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have_bluetooth = 0;
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if (have_bluetooth)
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bios_set_state(BLUETOOTH, bluetooth_enabled);
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}
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poll_bios(1); /* Flush stale event queue and arm timer */
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return 0;
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}
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static int __devexit wistron_remove(struct platform_device *dev)
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{
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del_timer_sync(&poll_timer);
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input_unregister_device(input_dev);
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bios_detach();
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return 0;
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}
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#ifdef CONFIG_PM
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static int wistron_suspend(struct platform_device *dev, pm_message_t state)
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{
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del_timer_sync(&poll_timer);
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@ -491,13 +537,20 @@ static int wistron_resume(struct platform_device *dev)
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return 0;
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}
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#else
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#define wistron_suspend NULL
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#define wistron_resume NULL
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#endif
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static struct platform_driver wistron_driver = {
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.suspend = wistron_suspend,
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.resume = wistron_resume,
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.driver = {
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.name = "wistron-bios",
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.owner = THIS_MODULE,
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},
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.probe = wistron_probe,
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.remove = __devexit_p(wistron_remove),
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.suspend = wistron_suspend,
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.resume = wistron_resume,
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};
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static int __init wb_module_init(void)
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@ -512,55 +565,27 @@ static int __init wb_module_init(void)
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if (err)
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return err;
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bios_attach();
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cmos_address = bios_get_cmos_address();
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err = platform_driver_register(&wistron_driver);
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if (err)
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goto err_detach_bios;
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goto err_unmap_bios;
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wistron_device = platform_device_register_simple("wistron-bios", -1, NULL, 0);
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if (IS_ERR(wistron_device)) {
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err = PTR_ERR(wistron_device);
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wistron_device = platform_device_alloc("wistron-bios", -1);
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if (!wistron_device) {
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err = -ENOMEM;
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goto err_unregister_driver;
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}
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if (have_wifi) {
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u16 wifi = bios_get_default_setting(WIFI);
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if (wifi & 1)
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wifi_enabled = (wifi & 2) ? 1 : 0;
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else
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have_wifi = 0;
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if (have_wifi)
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bios_set_state(WIFI, wifi_enabled);
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}
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if (have_bluetooth) {
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u16 bt = bios_get_default_setting(BLUETOOTH);
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if (bt & 1)
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bluetooth_enabled = (bt & 2) ? 1 : 0;
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else
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have_bluetooth = 0;
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if (have_bluetooth)
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bios_set_state(BLUETOOTH, bluetooth_enabled);
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}
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err = setup_input_dev();
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err = platform_device_add(wistron_device);
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if (err)
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goto err_unregister_device;
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poll_bios(1); /* Flush stale event queue and arm timer */
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goto err_free_device;
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return 0;
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err_unregister_device:
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platform_device_unregister(wistron_device);
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err_free_device:
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platform_device_put(wistron_device);
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err_unregister_driver:
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platform_driver_unregister(&wistron_driver);
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err_detach_bios:
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bios_detach();
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err_unmap_bios:
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unmap_bios();
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return err;
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@ -568,11 +593,8 @@ static int __init wb_module_init(void)
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static void __exit wb_module_exit(void)
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{
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del_timer_sync(&poll_timer);
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input_unregister_device(input_dev);
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platform_device_unregister(wistron_device);
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platform_driver_unregister(&wistron_driver);
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bios_detach();
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unmap_bios();
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}
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