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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-12 23:17:24 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-25 21:18:05 +0000 |
| commit | 69058cd6d10423126ab6aeb568f4af2bd34c49fe (patch) | |
| tree | 45cdde9f2ec83788b35948b184d5aeac45ddd6a5 /sound/arm | |
| parent | fd015480c29deb52ae3bfaf41e888c450765edd8 (diff) | |
| download | linux-rt-69058cd6d10423126ab6aeb568f4af2bd34c49fe.tar.gz | |
ALSA: AACI: fix timeout condition checking
Ensure that a timeout coincident with the condition being waited for
results in success rather than failure. This helps avoid timeout
conditions being inappropriately flagged.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/aaci.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index 91acc9a243ec..21ff6296d160 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -88,7 +88,7 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg, v = readl(aaci->base + AACI_SLFR); } while ((v & (SLFR_1TXB|SLFR_2TXB)) && --timeout); - if (!timeout) + if (v & (SLFR_1TXB|SLFR_2TXB)) dev_err(&aaci->dev->dev, "timeout waiting for write to complete\n"); @@ -124,7 +124,7 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg) v = readl(aaci->base + AACI_SLFR); } while ((v & SLFR_1TXB) && --timeout); - if (!timeout) { + if (v & SLFR_1TXB) { dev_err(&aaci->dev->dev, "timeout on slot 1 TX busy\n"); v = ~0; goto out; @@ -145,7 +145,7 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg) v = readl(aaci->base + AACI_SLFR) & (SLFR_1RXV|SLFR_2RXV); } while ((v != (SLFR_1RXV|SLFR_2RXV)) && --timeout); - if (!timeout) { + if (v != (SLFR_1RXV|SLFR_2RXV)) { dev_err(&aaci->dev->dev, "timeout on RX valid\n"); v = ~0; goto out; |