[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>
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@ -90,7 +90,7 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
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*/
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do {
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v = readl(aaci->base + AACI_SLFR);
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} while ((v & (SLFR_1TXB|SLFR_2TXB)) && timeout--);
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} while ((v & (SLFR_1TXB|SLFR_2TXB)) && --timeout);
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if (!timeout)
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dev_err(&aaci->dev->dev,
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@ -126,7 +126,7 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
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*/
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do {
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v = readl(aaci->base + AACI_SLFR);
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} while ((v & SLFR_1TXB) && timeout--);
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} while ((v & SLFR_1TXB) && --timeout);
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if (!timeout) {
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dev_err(&aaci->dev->dev, "timeout on slot 1 TX busy\n");
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@ -147,7 +147,7 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
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do {
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cond_resched();
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v = readl(aaci->base + AACI_SLFR) & (SLFR_1RXV|SLFR_2RXV);
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} while ((v != (SLFR_1RXV|SLFR_2RXV)) && timeout--);
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} while ((v != (SLFR_1RXV|SLFR_2RXV)) && --timeout);
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if (!timeout) {
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dev_err(&aaci->dev->dev, "timeout on RX valid\n");
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