diff mbox

[LTSI-3.14,280/894] spi: rspi: Don't consider DMA configuration failures fatal

Message ID 1409209620-24487-281-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Aug. 28, 2014, 6:56 a.m. UTC 
From: Geert Uytterhoeven <geert+renesas@glider.be>

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>
---
 drivers/spi/spi-rspi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index fdbd46d..94a99ec7 100644
--- 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) {