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Input: mousedev - factor out psaux code to reduce #ifdefery

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Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2012-10-08 09:07:23 -07:00
parent aba828cee2
commit a2cb1191f4
1 changed files with 30 additions and 17 deletions
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47
drivers/input/mousedev.c
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@ -25,9 +25,6 @@
#include <linux/major.h>
#include <linux/device.h>
#include <linux/kernel.h>
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
#include <linux/miscdevice.h>
#endif
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Mouse (ExplorerPS/2) device interfaces");
@ -1064,10 +1061,36 @@ static struct input_handler mousedev_handler = {
};
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
#include <linux/miscdevice.h>
static struct miscdevice psaux_mouse = {
PSMOUSE_MINOR, "psaux", &mousedev_fops
.minor = PSMOUSE_MINOR,
.name = "psaux",
.fops = &mousedev_fops,
};
static int psaux_registered;
static bool psaux_registered;
static void __init mousedev_psaux_register(void)
{
int error;
error = misc_register(&psaux_mouse);
if (error)
pr_warn("could not register psaux device, error: %d\n",
error);
else
psaux_registered = true;
}
static void __exit mousedev_psaux_unregister(void)
{
if (psaux_registered)
misc_deregister(&psaux_mouse);
}
#else
static inline void mousedev_psaux_register(void) { }
static inline void mousedev_psaux_unregister(void) { }
#endif
static int __init mousedev_init(void)
@ -1084,14 +1107,7 @@ static int __init mousedev_init(void)
return error;
}
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
error = misc_register(&psaux_mouse);
if (error)
pr_warn("could not register psaux device, error: %d\n",
error);
else
psaux_registered = 1;
#endif
mousedev_psaux_register();
pr_info("PS/2 mouse device common for all mice\n");
@ -1100,10 +1116,7 @@ static int __init mousedev_init(void)
static void __exit mousedev_exit(void)
{
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
if (psaux_registered)
misc_deregister(&psaux_mouse);
#endif
mousedev_psaux_unregister();
input_unregister_handler(&mousedev_handler);
mousedev_destroy(mousedev_mix);
}