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path: root/drivers/spi/spidev.c
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-rw-r--r--drivers/spi/spidev.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 1bd73e322b7b..a5cceca8b82b 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -415,7 +415,7 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
tmp |= SPI_CS_HIGH;
tmp |= spi->mode & ~SPI_MODE_MASK;
- spi->mode = (u16)tmp;
+ spi->mode = tmp & SPI_MODE_USER_MASK;
retval = spi_setup(spi);
if (retval < 0)
spi->mode = save;
@@ -751,9 +751,10 @@ static int spidev_probe(struct spi_device *spi)
* compatible string, it is a Linux implementation thing
* rather than a description of the hardware.
*/
- WARN(spi->dev.of_node &&
- of_device_is_compatible(spi->dev.of_node, "spidev"),
- "%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node);
+ if (spi->dev.of_node && of_device_is_compatible(spi->dev.of_node, "spidev")) {
+ dev_err(&spi->dev, "spidev listed directly in DT is not supported\n");
+ return -EINVAL;
+ }
spidev_probe_acpi(spi);