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| author | Takashi Iwai <tiwai@suse.de> | 2006-03-29 12:33:38 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-03-31 17:59:00 +0200 |
| commit | 38223daa1aa98d0a6f35ba7addcfefc756a04f5e (patch) | |
| tree | 8d4a9f4ec1db44a308f664c8fe45328321e97536 | |
| parent | e860f00047108ec97ac58c0d1bf59ae23e35f81c (diff) | |
| download | linux-38223daa1aa98d0a6f35ba7addcfefc756a04f5e.tar.bz2 | |
[ALSA] cs4281 - Fix the check of timeout in probe
Fix the check of timeout in probe routines to work properly
reagrdless of HZ (ALSA bug#1976).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/cs4281.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index 4221dfe8bd7e..ac4e73f69c1d 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -1416,7 +1416,7 @@ static int __devinit snd_cs4281_create(struct snd_card *card, static int snd_cs4281_chip_init(struct cs4281 *chip) { unsigned int tmp; - int timeout; + unsigned long end_time; int retry_count = 2; /* Having EPPMC.FPDN=1 prevent proper chip initialisation */ @@ -1496,7 +1496,7 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) /* * Wait for the DLL ready signal from the clock logic. */ - timeout = 100; + end_time = jiffies + HZ; do { /* * Read the AC97 status register to see if we've seen a CODEC @@ -1504,8 +1504,8 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) */ if (snd_cs4281_peekBA0(chip, BA0_CLKCR1) & BA0_CLKCR1_DLLRDY) goto __ok0; - msleep(1); - } while (timeout-- > 0); + schedule_timeout_uninterruptible(1); + } while (time_after_eq(end_time, jiffies)); snd_printk(KERN_ERR "DLLRDY not seen\n"); return -EIO; @@ -1522,7 +1522,7 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) /* * Wait for the codec ready signal from the AC97 codec. */ - timeout = 100; + end_time = jiffies + HZ; do { /* * Read the AC97 status register to see if we've seen a CODEC @@ -1530,20 +1530,20 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) */ if (snd_cs4281_peekBA0(chip, BA0_ACSTS) & BA0_ACSTS_CRDY) goto __ok1; - msleep(1); - } while (timeout-- > 0); + schedule_timeout_uninterruptible(1); + } while (time_after_eq(end_time, jiffies)); snd_printk(KERN_ERR "never read codec ready from AC'97 (0x%x)\n", snd_cs4281_peekBA0(chip, BA0_ACSTS)); return -EIO; __ok1: if (chip->dual_codec) { - timeout = 100; + end_time = jiffies + HZ; do { if (snd_cs4281_peekBA0(chip, BA0_ACSTS2) & BA0_ACSTS_CRDY) goto __codec2_ok; - msleep(1); - } while (timeout-- > 0); + schedule_timeout_uninterruptible(1); + } while (time_after_eq(end_time, jiffies)); snd_printk(KERN_INFO "secondary codec doesn't respond. disable it...\n"); chip->dual_codec = 0; __codec2_ok: ; @@ -1561,7 +1561,7 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) * the codec is pumping ADC data across the AC-link. */ - timeout = 100; + end_time = jiffies + HZ; do { /* * Read the input slot valid register and see if input slots 3 @@ -1569,8 +1569,8 @@ static int snd_cs4281_chip_init(struct cs4281 *chip) */ if ((snd_cs4281_peekBA0(chip, BA0_ACISV) & (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) == (BA0_ACISV_SLV(3) | BA0_ACISV_SLV(4))) goto __ok2; - msleep(1); - } while (timeout-- > 0); + schedule_timeout_uninterruptible(1); + } while (time_after_eq(end_time, jiffies)); if (--retry_count > 0) goto __retry; |