diff options
Diffstat (limited to 'arch/m68k/atari/atakeyb.c')
| -rw-r--r-- | arch/m68k/atari/atakeyb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c index f3c343b..a5f33c0 100644 --- a/arch/m68k/atari/atakeyb.c +++ b/arch/m68k/atari/atakeyb.c @@ -566,14 +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 { |
