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Commit 80874d8c authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Mark Brown
Browse files

spi: core: Ignore unsupported spi-[tr]x-bus-width property values 



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: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent eee668a9

drivers/spi/spi.c

+8 −10
Original line number Diff line number Diff line
@@ -1247,11 +1247,10 @@ static void of_register_spi_devices(struct spi_master *master) 
				spi->mode |= SPI_TX_QUAD;

				break;

			default:

				dev_err(&master->dev,

				dev_warn(&master->dev,

					 "spi-tx-bus-width %d not supported\n",

					 value);

				spi_dev_put(spi);

				continue;

				break;

			}

		}
@@ -1266,11 +1265,10 @@ static void of_register_spi_devices(struct spi_master *master) 
				spi->mode |= SPI_RX_QUAD;

				break;

			default:

				dev_err(&master->dev,

				dev_warn(&master->dev,

					 "spi-rx-bus-width %d not supported\n",

					 value);

				spi_dev_put(spi);

				continue;

				break;

			}

		}