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[ARM] 3290/1: Fix the FIFO size detection

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Patch from Catalin Marinas

AACI reports TX FIFO full after the first write to it if the AC97 is not
enabled. This patch enables the AC97 probing before the check for the TX
FIFO size. The patch also adds a warning if the TX FIFO size is not
multiple of 16.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas 2006-02-01 19:25:58 +00:00 committed by Russell King
parent a6df590dd8
commit f27f218cdf
1 changed files with 11 additions and 5 deletions
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16
sound/arm/aaci.c
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@ -882,15 +882,21 @@ static int __devinit aaci_probe(struct amba_device *dev, void *id)
writel(0x1fff, aaci->base + AACI_INTCLR);
writel(aaci->maincr, aaci->base + AACI_MAINCR);
/*
* Size the FIFOs.
*/
aaci->fifosize = aaci_size_fifo(aaci);
ret = aaci_probe_ac97(aaci);
if (ret)
goto out;
/*
* Size the FIFOs (must be multiple of 16).
*/
aaci->fifosize = aaci_size_fifo(aaci);
if (aaci->fifosize & 15) {
printk(KERN_WARNING "AACI: fifosize = %d not supported\n",
aaci->fifosize);
ret = -ENODEV;
goto out;
}
ret = aaci_init_pcm(aaci);
if (ret)
goto out;