diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/mpc5200_psc_ac97.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c index 9f2df1552f0..794a247b3eb 100644 --- a/sound/soc/fsl/mpc5200_psc_ac97.c +++ b/sound/soc/fsl/mpc5200_psc_ac97.c @@ -31,13 +31,13 @@ static struct psc_dma *psc_dma; static unsigned short psc_ac97_read(struct snd_ac97 *ac97, unsigned short reg) { - int rc; + int status; unsigned int val; /* Wait for command send status zero = ready */ - spin_event_timeout(!(in_be16(&psc_dma->psc_regs->sr_csr.status) & - MPC52xx_PSC_SR_CMDSEND), 100, 0, rc); - if (rc == 0) { + status = spin_event_timeout(!(in_be16(&psc_dma->psc_regs->sr_csr.status) & + MPC52xx_PSC_SR_CMDSEND), 100, 0); + if (status == 0) { pr_err("timeout on ac97 bus (rdy)\n"); return -ENODEV; } @@ -45,9 +45,9 @@ static unsigned short psc_ac97_read(struct snd_ac97 *ac97, unsigned short reg) out_be32(&psc_dma->psc_regs->ac97_cmd, (1<<31) | ((reg & 0x7f) << 24)); /* Wait for the answer */ - spin_event_timeout((in_be16(&psc_dma->psc_regs->sr_csr.status) & - MPC52xx_PSC_SR_DATA_VAL), 100, 0, rc); - if (rc == 0) { + status = spin_event_timeout((in_be16(&psc_dma->psc_regs->sr_csr.status) & + MPC52xx_PSC_SR_DATA_VAL), 100, 0); + if (status == 0) { pr_err("timeout on ac97 read (val) %x\n", in_be16(&psc_dma->psc_regs->sr_csr.status)); return -ENODEV; @@ -66,12 +66,12 @@ static unsigned short psc_ac97_read(struct snd_ac97 *ac97, unsigned short reg) static void psc_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { - int rc; + int status; /* Wait for command status zero = ready */ - spin_event_timeout(!(in_be16(&psc_dma->psc_regs->sr_csr.status) & - MPC52xx_PSC_SR_CMDSEND), 100, 0, rc); - if (rc == 0) { + status = spin_event_timeout(!(in_be16(&psc_dma->psc_regs->sr_csr.status) & + MPC52xx_PSC_SR_CMDSEND), 100, 0); + if (status == 0) { pr_err("timeout on ac97 bus (write)\n"); return; } @@ -82,24 +82,22 @@ static void psc_ac97_write(struct snd_ac97 *ac97, static void psc_ac97_warm_reset(struct snd_ac97 *ac97) { - int rc; struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs; out_be32(®s->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_AWR); - spin_event_timeout(0, 3, 0, rc); + udelay(3); out_be32(®s->sicr, psc_dma->sicr); } static void psc_ac97_cold_reset(struct snd_ac97 *ac97) { - int rc; struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs; /* Do a cold reset */ out_8(®s->op1, MPC52xx_PSC_OP_RES); - spin_event_timeout(0, 10, 0, rc); + udelay(10); out_8(®s->op0, MPC52xx_PSC_OP_RES); - spin_event_timeout(0, 50, 0, rc); + udelay(50); psc_ac97_warm_reset(ac97); } |