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spi: tegra210-quad: use WARN_ON_ONCE instead of WARN_ON for timeouts

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Some machines with tegra_qspi_combined_seq_xfer hardware issues generate
excessive kernel warnings, severely polluting the logs:

    dmesg | grep -i "WARNING:.*tegra_qspi_transfer_one_message" | wc -l
    94451

This patch replaces WARN_ON with WARN_ON_ONCE for timeout conditions to
reduce log spam. The subsequent error message still prints on each
occurrence, providing sufficient information about the failure, while
the stack trace is only needed once for debugging purposes.

Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250401-tegra-v2-1-126c293ec047@debian.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Breno Leitao 2025-04-01 06:47:49 -07:00 committed by Mark Brown
parent 36ff6c3f50
commit 41c721fc09
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-tegra210-quad.c
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@ -1117,7 +1117,7 @@ static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi,
(&tqspi->xfer_completion,
QSPI_DMA_TIMEOUT);
if (WARN_ON(ret == 0)) {
if (WARN_ON_ONCE(ret == 0)) {
dev_err(tqspi->dev, "QSPI Transfer failed with timeout: %d\n",
ret);
if (tqspi->is_curr_dma_xfer &&