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path: root/drivers/input/mouse/amimouse.c
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Diffstat (limited to 'drivers/input/mouse/amimouse.c')
-rw-r--r--drivers/input/mouse/amimouse.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c
index 7baa09cca7c5..e994849efb8f 100644
--- a/drivers/input/mouse/amimouse.c
+++ b/drivers/input/mouse/amimouse.c
@@ -33,7 +33,6 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
33MODULE_DESCRIPTION("Amiga mouse driver"); 33MODULE_DESCRIPTION("Amiga mouse driver");
34MODULE_LICENSE("GPL"); 34MODULE_LICENSE("GPL");
35 35
36static int amimouse_used = 0;
37static int amimouse_lastx, amimouse_lasty; 36static int amimouse_lastx, amimouse_lasty;
38static struct input_dev amimouse_dev; 37static struct input_dev amimouse_dev;
39 38
@@ -81,16 +80,12 @@ static int amimouse_open(struct input_dev *dev)
81{ 80{
82 unsigned short joy0dat; 81 unsigned short joy0dat;
83 82
84 if (amimouse_used++)
85 return 0;
86
87 joy0dat = custom.joy0dat; 83 joy0dat = custom.joy0dat;
88 84
89 amimouse_lastx = joy0dat & 0xff; 85 amimouse_lastx = joy0dat & 0xff;
90 amimouse_lasty = joy0dat >> 8; 86 amimouse_lasty = joy0dat >> 8;
91 87
92 if (request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse", amimouse_interrupt)) { 88 if (request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse", amimouse_interrupt)) {
93 amimouse_used--;
94 printk(KERN_ERR "amimouse.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB); 89 printk(KERN_ERR "amimouse.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
95 return -EBUSY; 90 return -EBUSY;
96 } 91 }
@@ -100,8 +95,7 @@ static int amimouse_open(struct input_dev *dev)
100 95
101static void amimouse_close(struct input_dev *dev) 96static void amimouse_close(struct input_dev *dev)
102{ 97{
103 if (!--amimouse_used) 98 free_irq(IRQ_AMIGA_VERTB, amimouse_interrupt);
104 free_irq(IRQ_AMIGA_VERTB, amimouse_interrupt);
105} 99}
106 100
107static int __init amimouse_init(void) 101static int __init amimouse_init(void)