Fall back to PIO if DMA configuration failed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit
27e105a6006b8ce1b55709c5e24f63959981475d)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
}
ret = rspi_request_dma(rspi, pdev);
- if (ret < 0) {
- dev_err(&pdev->dev, "rspi_request_dma failed.\n");
- goto error3;
- }
+ if (ret < 0)
+ dev_warn(&pdev->dev, "DMA not available, using PIO\n");
ret = devm_spi_register_master(&pdev->dev, master);
if (ret < 0) {