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authorDmitry Torokhov <dtor_core@ameritech.net>2005-12-28 01:26:24 -0500
committerDmitry Torokhov <dtor_core@ameritech.net>2005-12-28 01:26:24 -0500
commite7c3aad53dba54d375b632f2a21b680546828dec (patch)
treeb724a6939a3d01d2edffce2e654e10f33876f5f3 /drivers/input/misc/wistron_btns.c
parent9d6c25029db6de7fc375b07da936c3341af0accf (diff)
downloadlinux-linaro-android-e7c3aad53dba54d375b632f2a21b680546828dec.tar.gz
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>
Diffstat (limited to 'drivers/input/misc/wistron_btns.c')
-rw-r--r--drivers/input/misc/wistron_btns.c114
1 files changed, 68 insertions, 46 deletions
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index b77e2692ba3..a05b8557842 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -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();
}