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: 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>

diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index e27e21f8569a0e9719c2c90a801189dd0507c8a3..e6a0ec3c0e764952452ad14ef58a9754a37c90d7 100644 (file)
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -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;
                }
        }