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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-02-08 15:22:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-10 09:59:20 +0000 |
| commit | f6f35bbe7c6494e66590cf519e21da2dd8d59e01 (patch) | |
| tree | eb1a2c4063951edbafe3a977b77cf3a1e118640a /sound/arm/aaci.c | |
| parent | e0fc4f97ab6b11594d0b0658ef6cf02bd68f3b4e (diff) | |
| download | lwn-f6f35bbe7c6494e66590cf519e21da2dd8d59e01.tar.gz lwn-f6f35bbe7c6494e66590cf519e21da2dd8d59e01.zip | |
[ARM] AACI: timeout will reach -1
With a postfix decrement the timeout will reach -1 rather than 0,
so the warning will not be issued.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'sound/arm/aaci.c')
| -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 89096e811a4b..772901e41ecb 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -90,7 +90,7 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg, */ do { v = readl(aaci->base + AACI_SLFR); - } while ((v & (SLFR_1TXB|SLFR_2TXB)) && timeout--); + } while ((v & (SLFR_1TXB|SLFR_2TXB)) && --timeout); if (!timeout) dev_err(&aaci->dev->dev, @@ -126,7 +126,7 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg) */ do { v = readl(aaci->base + AACI_SLFR); - } while ((v & SLFR_1TXB) && timeout--); + } while ((v & SLFR_1TXB) && --timeout); if (!timeout) { dev_err(&aaci->dev->dev, "timeout on slot 1 TX busy\n"); @@ -147,7 +147,7 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg) do { cond_resched(); v = readl(aaci->base + AACI_SLFR) & (SLFR_1RXV|SLFR_2RXV); - } while ((v != (SLFR_1RXV|SLFR_2RXV)) && timeout--); + } while ((v != (SLFR_1RXV|SLFR_2RXV)) && --timeout); if (!timeout) { dev_err(&aaci->dev->dev, "timeout on RX valid\n"); |