diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi.c | 72 |
1 files changed, 34 insertions, 38 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index f0a6582061d5..7557f611457f 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -871,47 +871,43 @@ static void of_register_spi_devices(struct spi_master *master) /* Device DUAL/QUAD mode */ prop = of_get_property(nc, "spi-tx-nbits", &len); - if (!prop || len < sizeof(*prop)) { - dev_err(&master->dev, "%s has no 'spi-tx-nbits' property\n", - nc->full_name); - spi_dev_put(spi); - continue; - } - switch (be32_to_cpup(prop)) { - case SPI_NBITS_SINGLE: - break; - case SPI_NBITS_DUAL: - spi->mode |= SPI_TX_DUAL; - break; - case SPI_NBITS_QUAD: - spi->mode |= SPI_TX_QUAD; - break; - default: - dev_err(&master->dev, "spi-tx-nbits value is not supported\n"); - spi_dev_put(spi); - continue; + if (prop && len == sizeof(*prop)) { + switch (be32_to_cpup(prop)) { + case SPI_NBITS_SINGLE: + break; + case SPI_NBITS_DUAL: + spi->mode |= SPI_TX_DUAL; + break; + case SPI_NBITS_QUAD: + spi->mode |= SPI_TX_QUAD; + break; + default: + dev_err(&master->dev, + "spi-tx-nbits %d not supported\n", + be32_to_cpup(prop)); + spi_dev_put(spi); + continue; + } } prop = of_get_property(nc, "spi-rx-nbits", &len); - if (!prop || len < sizeof(*prop)) { - dev_err(&master->dev, "%s has no 'spi-rx-nbits' property\n", - nc->full_name); - spi_dev_put(spi); - continue; - } - switch (be32_to_cpup(prop)) { - case SPI_NBITS_SINGLE: - break; - case SPI_NBITS_DUAL: - spi->mode |= SPI_RX_DUAL; - break; - case SPI_NBITS_QUAD: - spi->mode |= SPI_RX_QUAD; - break; - default: - dev_err(&master->dev, "spi-rx-nbits value is not supported\n"); - spi_dev_put(spi); - continue; + if (prop && len == sizeof(*prop)) { + switch (be32_to_cpup(prop)) { + case SPI_NBITS_SINGLE: + break; + case SPI_NBITS_DUAL: + spi->mode |= SPI_RX_DUAL; + break; + case SPI_NBITS_QUAD: + spi->mode |= SPI_RX_QUAD; + break; + default: + dev_err(&master->dev, + "spi-rx-nbits %d not supported\n", + be32_to_cpup(prop)); + spi_dev_put(spi); + continue; + } } /* Device speed */ |