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

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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>
This commit is contained in:
Geert Uytterhoeven 2014-05-26 14:05:25 +02:00 committed by Mark Brown
parent eee668a92b
commit 80874d8c9e
1 changed files with 8 additions and 10 deletions
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18
drivers/spi/spi.c
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@ -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,
"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;
}
}
@ -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,
"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;
}
}