diff options
| -rw-r--r-- | sound/sparc/dbri.c | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index 652f433a3f0d..4651ff513513 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -238,12 +238,6 @@ static struct { #define REG9 0x24UL /* Interrupt Queue Pointer */ #define DBRI_NO_CMDS 64 -#define DBRI_NO_INTS 1 /* Note: the value of this define was - * originally 2. The ringbuffer to store - * interrupts in dma is currently broken. - * This is a temporary fix until the ringbuffer - * is fixed. - */ #define DBRI_INT_BLK 64 #define DBRI_NO_DESCS 64 #define DBRI_NO_PIPES 32 @@ -268,7 +262,7 @@ struct dbri_mem { */ struct dbri_dma { volatile s32 cmd[DBRI_NO_CMDS]; /* Place for commands */ - volatile s32 intr[DBRI_NO_INTS * DBRI_INT_BLK]; /* Interrupt field */ + volatile s32 intr[DBRI_INT_BLK]; /* Interrupt field */ struct dbri_mem desc[DBRI_NO_DESCS]; /* Xmit/receive descriptors */ }; @@ -741,18 +735,6 @@ static void dbri_initialize(struct snd_dbri * dbri) dprintk(D_GEN, "init: cmd: %p, int: %p\n", &dbri->dma->cmd[0], &dbri->dma->intr[0]); - /* - * Initialize the interrupt ringbuffer. - */ - for (n = 0; n < DBRI_NO_INTS - 1; n++) { - dma_addr = dbri->dma_dvma; - dma_addr += dbri_dma_off(intr, ((n + 1) * DBRI_INT_BLK)); - dbri->dma->intr[n * DBRI_INT_BLK] = dma_addr; - } - dma_addr = dbri->dma_dvma + dbri_dma_off(intr, 0); - dbri->dma->intr[n * DBRI_INT_BLK] = dma_addr; - dbri->dbri_irqp = 1; - /* Initialize pipes */ for (n = 0; n < DBRI_NO_PIPES; n++) dbri->pipes[n].desc = dbri->pipes[n].first_desc = -1; @@ -765,9 +747,14 @@ static void dbri_initialize(struct snd_dbri * dbri) sbus_writel(tmp, dbri->regs + REG0); /* - * Set up the interrupt queue + * Initialize the interrupt ringbuffer. */ dma_addr = dbri->dma_dvma + dbri_dma_off(intr, 0); + dbri->dma->intr[0] = dma_addr; + dbri->dbri_irqp = 1; + /* + * Set up the interrupt queue + */ *(cmd++) = DBRI_CMD(D_IIQ, 0, 0); *(cmd++) = dma_addr; @@ -1951,10 +1938,8 @@ static void dbri_process_interrupt_buffer(struct snd_dbri * dbri) while ((x = dbri->dma->intr[dbri->dbri_irqp]) != 0) { dbri->dma->intr[dbri->dbri_irqp] = 0; dbri->dbri_irqp++; - if (dbri->dbri_irqp == (DBRI_NO_INTS * DBRI_INT_BLK)) + if (dbri->dbri_irqp == DBRI_INT_BLK) dbri->dbri_irqp = 1; - else if ((dbri->dbri_irqp & (DBRI_INT_BLK - 1)) == 0) - dbri->dbri_irqp++; dbri_process_one_interrupt(dbri, x); } |