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Commit 21ca8170 authored by Maxim Kochetkov's avatar Maxim Kochetkov Committed by Greg Kroah-Hartman
Browse files

ASoC: dwc: limit the number of overrun messages 



[ Upstream commit ab6ecfbf40fccf74b6ec2ba7ed6dd2fc024c3af2 ]

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: default avatarMaxim Kochetkov <fido_max@inbox.ru>
Link: https://lore.kernel.org/r/20230505062820.21840-1-fido_max@inbox.ru


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent acd5f476

sound/soc/dwc/dwc-i2s.c

+2 −2
Original line number Diff line number Diff line
@@ -132,13 +132,13 @@ 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;

		}

	}