diff options
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 685afdf9e807..a35faced0456 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -250,13 +250,33 @@ struct fsl_dspi { static void dspi_native_host_to_dev(struct fsl_dspi *dspi, u32 *txdata) { - memcpy(txdata, dspi->tx, dspi->oper_word_size); + switch (dspi->oper_word_size) { + case 1: + *txdata = *(u8 *)dspi->tx; + break; + case 2: + *txdata = *(u16 *)dspi->tx; + break; + case 4: + *txdata = *(u32 *)dspi->tx; + break; + } dspi->tx += dspi->oper_word_size; } static void dspi_native_dev_to_host(struct fsl_dspi *dspi, u32 rxdata) { - memcpy(dspi->rx, &rxdata, dspi->oper_word_size); + switch (dspi->oper_word_size) { + case 1: + *(u8 *)dspi->rx = rxdata; + break; + case 2: + *(u16 *)dspi->rx = rxdata; + break; + case 4: + *(u32 *)dspi->rx = rxdata; + break; + } dspi->rx += dspi->oper_word_size; } |