diff options
Diffstat (limited to 'arch/m68k/atari/atakeyb.c')
| -rw-r--r-- | arch/m68k/atari/atakeyb.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c index c038b7c7eff..a5f33c05997 100644 --- a/arch/m68k/atari/atakeyb.c +++ b/arch/m68k/atari/atakeyb.c @@ -33,7 +33,6 @@ #include <asm/atari_joystick.h> #include <asm/irq.h> -extern unsigned int keymap_count; /* Hook for MIDI serial driver */ void (*atari_MIDI_interrupt_hook) (void); @@ -567,14 +566,19 @@ static int atari_keyb_done = 0; int atari_keyb_init(void) { + int error; + if (atari_keyb_done) return 0; kb_state.state = KEYBOARD; kb_state.len = 0; - request_irq(IRQ_MFP_ACIA, atari_keyboard_interrupt, IRQ_TYPE_SLOW, - "keyboard/mouse/MIDI", atari_keyboard_interrupt); + error = request_irq(IRQ_MFP_ACIA, atari_keyboard_interrupt, + IRQ_TYPE_SLOW, "keyboard/mouse/MIDI", + atari_keyboard_interrupt); + if (error) + return error; atari_turnoff_irq(IRQ_MFP_ACIA); do { |