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spi: rspi: Don't consider DMA configuration failures fatal
author
Geert Uytterhoeven
<geert+renesas@glider.be>
Mon, 2 Jun 2014 13:38:08 +0000
(15:38 +0200)
committer
Mark Brown
<broonie@linaro.org>
Mon, 2 Jun 2014 14:49:33 +0000
(15:49 +0100)
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>
drivers/spi/spi-rspi.c
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diff --git
a/drivers/spi/spi-rspi.c
b/drivers/spi/spi-rspi.c
index
fdbd46d
..
94a99ec
100644
(file)
--- a/
drivers/spi/spi-rspi.c
+++ b/
drivers/spi/spi-rspi.c
@@
-1190,10
+1190,8
@@
static int rspi_probe(struct platform_device *pdev)
}
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) {