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ASoC: dwc: limit the number of overrun messages

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[ Upstream commit ab6ecfbf40 ]

On slow CPU (FPGA/QEMU emulated) printing overrun messages from
interrupt handler to uart console may leads to more overrun errors.
So use dev_err_ratelimited to limit the number of error messages.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru
Link: https://lore.kernel.org/r/20230505062820.21840-1-fido_max@inbox.ru
Signed-off-by: Mark Brown <broonie@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Maxim Kochetkov 2023-05-05 09:28:20 +03:00 • committed by Justin Hammond
parent 17ee12a0d2
commit e11286bf63
1 changed files with 2 additions and 2 deletions
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4
sound/soc/dwc/dwc-i2s.c
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@ -137,13 +137,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
/* Error Handling: TX */
if (isr[i] & ISR_TXFO) {
dev_err(dev->dev, "TX overrun (ch_id=%d)\n", i);
dev_err_ratelimited(dev->dev, "TX overrun (ch_id=%d)\n", i);
irq_valid = true;
}
/* Error Handling: TX */
if (isr[i] & ISR_RXFO) {
dev_err(dev->dev, "RX overrun (ch_id=%d)\n", i);
dev_err_ratelimited(dev->dev, "RX overrun (ch_id=%d)\n", i);
irq_valid = true;
}
}