diff options
Diffstat (limited to 'sound/oss/dmasound/dmasound_atari.c')
| -rw-r--r-- | sound/oss/dmasound/dmasound_atari.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c index 285239d64b8..13c214466d3 100644 --- a/sound/oss/dmasound/dmasound_atari.c +++ b/sound/oss/dmasound/dmasound_atari.c @@ -143,7 +143,7 @@ static int AtaMixerIoctl(u_int cmd, u_long arg); static int TTMixerIoctl(u_int cmd, u_long arg); static int FalconMixerIoctl(u_int cmd, u_long arg); static int AtaWriteSqSetup(void); -static int AtaSqOpen(mode_t mode); +static int AtaSqOpen(fmode_t mode); static int TTStateInfo(char *buffer, size_t space); static int FalconStateInfo(char *buffer, size_t space); @@ -847,22 +847,23 @@ static int __init AtaIrqInit(void) of events. So all we need to keep the music playing is to provide the sound hardware with new data upon an interrupt from timer A. */ - mfp.tim_ct_a = 0; /* ++roman: Stop timer before programming! */ - mfp.tim_dt_a = 1; /* Cause interrupt after first event. */ - mfp.tim_ct_a = 8; /* Turn on event counting. */ + st_mfp.tim_ct_a = 0; /* ++roman: Stop timer before programming! */ + st_mfp.tim_dt_a = 1; /* Cause interrupt after first event. */ + st_mfp.tim_ct_a = 8; /* Turn on event counting. */ /* Register interrupt handler. */ - request_irq(IRQ_MFP_TIMA, AtaInterrupt, IRQ_TYPE_SLOW, "DMA sound", - AtaInterrupt); - mfp.int_en_a |= 0x20; /* Turn interrupt on. */ - mfp.int_mk_a |= 0x20; + if (request_irq(IRQ_MFP_TIMA, AtaInterrupt, IRQ_TYPE_SLOW, "DMA sound", + AtaInterrupt)) + return 0; + st_mfp.int_en_a |= 0x20; /* Turn interrupt on. */ + st_mfp.int_mk_a |= 0x20; return 1; } #ifdef MODULE static void AtaIrqCleanUp(void) { - mfp.tim_ct_a = 0; /* stop timer */ - mfp.int_en_a &= ~0x20; /* turn interrupt off */ + st_mfp.tim_ct_a = 0; /* stop timer */ + st_mfp.int_en_a &= ~0x20; /* turn interrupt off */ free_irq(IRQ_MFP_TIMA, AtaInterrupt); } #endif /* MODULE */ @@ -1276,7 +1277,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy) * (almost) like on the TT. */ write_sq_ignore_int = 0; - return IRQ_HANDLED; + goto out; } if (!write_sq.active) { @@ -1284,7 +1285,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy) * the sq variables, so better don't do anything here. */ WAKE_UP(write_sq.sync_queue); - return IRQ_HANDLED; + goto out; } /* Probably ;) one frame is finished. Well, in fact it may be that a @@ -1321,6 +1322,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy) /* We are not playing after AtaPlay(), so there is nothing to play any more. Wake up a process waiting for audio output to drain. */ +out: spin_unlock(&dmasound.lock); return IRQ_HANDLED; } @@ -1461,7 +1463,7 @@ static int AtaWriteSqSetup(void) return 0 ; } -static int AtaSqOpen(mode_t mode) +static int AtaSqOpen(fmode_t mode) { write_sq_ignore_int = 1; return 0 ; @@ -1523,7 +1525,7 @@ static SETTINGS def_soft = { .speed = 8000 } ; -static MACHINE machTT = { +static __initdata MACHINE machTT = { .name = "Atari", .name2 = "TT", .owner = THIS_MODULE, @@ -1552,7 +1554,7 @@ static MACHINE machTT = { .capabilities = DSP_CAP_BATCH /* As per SNDCTL_DSP_GETCAPS */ }; -static MACHINE machFalcon = { +static __initdata MACHINE machFalcon = { .name = "Atari", .name2 = "FALCON", .dma_alloc = AtaAlloc, @@ -1598,7 +1600,7 @@ static int __init dmasound_atari_init(void) is_falcon = 0; } else return -ENODEV; - if ((mfp.int_en_a & mfp.int_mk_a & 0x20) == 0) + if ((st_mfp.int_en_a & st_mfp.int_mk_a & 0x20) == 0) return dmasound_init(); else { printk("DMA sound driver: Timer A interrupt already in use\n"); |
