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Input: i8042 - use platform_driver_probe 

i8042 is not hot-pluggable and we create the device when we register
the driver, so let's save some memory by using platform_device_probe
and using __init instead of __devinit.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2009-09-09 19:08:17 -07:00
parent 386b384900
commit f81134163f
1 changed files with 22 additions and 23 deletions
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45
drivers/input/serio/i8042.c
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@ -541,7 +541,7 @@ static int i8042_set_mux_mode(bool multiplex, unsigned char *mux_version)
* LCS/Telegraphics.
*/
static int __devinit i8042_check_mux(void)
static int __init i8042_check_mux(void)
{
unsigned char mux_version;
@ -570,10 +570,10 @@ static int __devinit i8042_check_mux(void)
/*
* The following is used to test AUX IRQ delivery.
*/
static struct completion i8042_aux_irq_delivered __devinitdata;
static bool i8042_irq_being_tested __devinitdata;
static struct completion i8042_aux_irq_delivered __initdata;
static bool i8042_irq_being_tested __initdata;
static irqreturn_t __devinit i8042_aux_test_irq(int irq, void *dev_id)
static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
{
unsigned long flags;
unsigned char str, data;
@ -598,7 +598,7 @@ static irqreturn_t __devinit i8042_aux_test_irq(int irq, void *dev_id)
* verifies success by readinng CTR. Used when testing for presence of AUX
* port.
*/
static int __devinit i8042_toggle_aux(bool on)
static int __init i8042_toggle_aux(bool on)
{
unsigned char param;
int i;
@ -626,7 +626,7 @@ static int __devinit i8042_toggle_aux(bool on)
* the presence of an AUX interface.
*/
static int __devinit i8042_check_aux(void)
static int __init i8042_check_aux(void)
{
int retval = -1;
bool irq_registered = false;
@ -1060,7 +1060,7 @@ static void i8042_shutdown(struct platform_device *dev)
i8042_controller_reset();
}
static int __devinit i8042_create_kbd_port(void)
static int __init i8042_create_kbd_port(void)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO];
@ -1085,7 +1085,7 @@ static int __devinit i8042_create_kbd_port(void)
return 0;
}
static int __devinit i8042_create_aux_port(int idx)
static int __init i8042_create_aux_port(int idx)
{
struct serio *serio;
int port_no = idx < 0 ? I8042_AUX_PORT_NO : I8042_MUX_PORT_NO + idx;
@ -1117,13 +1117,13 @@ static int __devinit i8042_create_aux_port(int idx)
return 0;
}
static void __devinit i8042_free_kbd_port(void)
static void __init i8042_free_kbd_port(void)
{
kfree(i8042_ports[I8042_KBD_PORT_NO].serio);
i8042_ports[I8042_KBD_PORT_NO].serio = NULL;
}
static void __devinit i8042_free_aux_ports(void)
static void __init i8042_free_aux_ports(void)
{
int i;
@ -1133,7 +1133,7 @@ static void __devinit i8042_free_aux_ports(void)
}
}
static void __devinit i8042_register_ports(void)
static void __init i8042_register_ports(void)
{
int i;
@ -1171,7 +1171,7 @@ static void i8042_free_irqs(void)
i8042_aux_irq_registered = i8042_kbd_irq_registered = false;
}
static int __devinit i8042_setup_aux(void)
static int __init i8042_setup_aux(void)
{
int (*aux_enable)(void);
int error;
@ -1212,7 +1212,7 @@ static int __devinit i8042_setup_aux(void)
return error;
}
static int __devinit i8042_setup_kbd(void)
static int __init i8042_setup_kbd(void)
{
int error;
@ -1239,7 +1239,7 @@ static int __devinit i8042_setup_kbd(void)
return error;
}
static int __devinit i8042_probe(struct platform_device *dev)
static int __init i8042_probe(struct platform_device *dev)
{
int error;
@ -1299,7 +1299,6 @@ static struct platform_driver i8042_driver = {
.pm = &i8042_pm_ops,
#endif
},
.probe = i8042_probe,
.remove = __devexit_p(i8042_remove),
.shutdown = i8042_shutdown,
};
@ -1318,28 +1317,28 @@ static int __init i8042_init(void)
if (err)
goto err_platform_exit;
err = platform_driver_register(&i8042_driver);
if (err)
goto err_platform_exit;
i8042_platform_device = platform_device_alloc("i8042", -1);
if (!i8042_platform_device) {
err = -ENOMEM;
goto err_unregister_driver;
goto err_platform_exit;
}
err = platform_device_add(i8042_platform_device);
if (err)
goto err_free_device;
err = platform_driver_probe(&i8042_driver, i8042_probe);
if (err)
goto err_del_device;
panic_blink = i8042_panic_blink;
return 0;
err_del_device:
platform_device_del(i8042_platform_device);
err_free_device:
platform_device_put(i8042_platform_device);
err_unregister_driver:
platform_driver_unregister(&i8042_driver);
err_platform_exit:
i8042_platform_exit();
@ -1348,8 +1347,8 @@ static int __init i8042_init(void)
static void __exit i8042_exit(void)
{
platform_device_unregister(i8042_platform_device);
platform_driver_unregister(&i8042_driver);
platform_device_unregister(i8042_platform_device);
i8042_platform_exit();
panic_blink = NULL;