diff mbox

[LTSI-3.14,252/894] spi: core: Ignore unsupported spi-[tr]x-bus-width property values

Message ID 1409209620-24487-253-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>

Rejecting unsupported values of spi-tx-bus-width and spi-rx-bus-width
may break compatibility with future DTs. Just ignore them, falling back
to Single SPI Transfers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit 80874d8c9e9cbfa195572dfea46f2314098b3869)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/spi/spi.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)
diff mbox

Patch

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index dbab668..3f40102 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1190,11 +1190,10 @@  static void of_register_spi_devices(struct spi_master *master)
 				spi->mode |= SPI_TX_QUAD;
 				break;
 			default:
-				dev_err(&master->dev,
-					"spi-tx-bus-width %d not supported\n",
-					value);
-				spi_dev_put(spi);
-				continue;
+				dev_warn(&master->dev,
+					 "spi-tx-bus-width %d not supported\n",
+					 value);
+				break;
 			}
 		}
 
@@ -1209,11 +1208,10 @@  static void of_register_spi_devices(struct spi_master *master)
 				spi->mode |= SPI_RX_QUAD;
 				break;
 			default:
-				dev_err(&master->dev,
-					"spi-rx-bus-width %d not supported\n",
-					value);
-				spi_dev_put(spi);
-				continue;
+				dev_warn(&master->dev,
+					 "spi-rx-bus-width %d not supported\n",
+					 value);
+				break;
 			}
 		}