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spi: fsl-dspi: Preserve error code returned by dmaengine_slave_config()

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dmaengine_slave_config() may return different error codes based on
the circumstances. Preserve it instead of shadowing to -EINVAL.

Suggested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20240204203127.1186621-2-andy.shevchenko@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
andy.shevchenko@gmail.com 2024-02-04 22:29:18 +02:00 committed by Mark Brown
parent 1e942b5bb1
commit f156743c52
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1 changed files with 0 additions and 2 deletions
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2
drivers/spi/spi-fsl-dspi.c
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@ -542,7 +542,6 @@ static int dspi_request_dma(struct fsl_dspi *dspi, phys_addr_t phy_addr)
ret = dmaengine_slave_config(dma->chan_rx, &cfg);
if (ret) {
dev_err(dev, "can't configure rx dma channel\n");
ret = -EINVAL;
goto err_slave_config;
}
@ -550,7 +549,6 @@ static int dspi_request_dma(struct fsl_dspi *dspi, phys_addr_t phy_addr)
ret = dmaengine_slave_config(dma->chan_tx, &cfg);
if (ret) {
dev_err(dev, "can't configure tx dma channel\n");
ret = -EINVAL;
goto err_slave_config;
}