diff options
| author | Steve French <sfrench@us.ibm.com> | 2007-07-19 00:38:57 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-07-19 00:38:57 +0000 |
| commit | 1ff8392c32a2645d2665ca779ecb91bb29361c13 (patch) | |
| tree | 860b95e9a499ade4060848740fc6ce1fbb4e4e8d /drivers/spi/pxa2xx_spi.c | |
| parent | 70b315b0dd3879cb3ab8aadffb14f10b2d19b9c3 (diff) | |
| parent | 5bae7ac9feba925fd0099057f6b23d7be80b7b41 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/cifs/export.c
Diffstat (limited to 'drivers/spi/pxa2xx_spi.c')
| -rw-r--r-- | drivers/spi/pxa2xx_spi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 9f2c887ffa0..e51311b2da0 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -1067,6 +1067,9 @@ static int transfer(struct spi_device *spi, struct spi_message *msg) return 0; } +/* the spi->mode bits understood by this driver: */ +#define MODEBITS (SPI_CPOL | SPI_CPHA) + static int setup(struct spi_device *spi) { struct pxa2xx_spi_chip *chip_info = NULL; @@ -1093,6 +1096,12 @@ static int setup(struct spi_device *spi) return -EINVAL; } + if (spi->mode & ~MODEBITS) { + dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n", + spi->mode & ~MODEBITS); + return -EINVAL; + } + /* Only alloc on first setup */ chip = spi_get_ctldata(spi); if (!chip) { |