diff options
Diffstat (limited to 'drivers/spi/mxs_spi.c')
| -rw-r--r-- | drivers/spi/mxs_spi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/spi/mxs_spi.c b/drivers/spi/mxs_spi.c index 4c27fef3d..adb9ca8ec 100644 --- a/drivers/spi/mxs_spi.c +++ b/drivers/spi/mxs_spi.c @@ -129,9 +129,15 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, int len = bitlen / 8; const char *tx = dout; char *rx = din; + char dummy; - if (bitlen == 0) - return 0; + if (bitlen == 0) { + if (flags & SPI_XFER_END) { + rx = &dummy; + len = 1; + } else + return 0; + } if (!rx && !tx) return 0; |