Unverified Commit ab6ecfbf authored May 05, 2023 by Maxim Kochetkov Committed by Mark Brown May 08, 2023

ASoC: dwc: limit the number of overrun messages



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>

parent 7b9891ad

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;
		}
		}