diff options
| -rw-r--r-- | drivers/spi/spi-imx.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index edd33fc28c7d..e889680a3002 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -425,8 +425,15 @@ static void spi_imx_buf_tx_swap(struct spi_imx_data *spi_imx) static void mx53_ecspi_rx_target(struct spi_imx_data *spi_imx) { - u32 val = ioread32be(spi_imx->base + MXC_CSPIRXDATA); + u32 val = readl(spi_imx->base + MXC_CSPIRXDATA); +#ifdef __LITTLE_ENDIAN + unsigned int bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); + if (bytes_per_word == 1) + swab32s(&val); + else if (bytes_per_word == 2) + swahw32s(&val); +#endif if (spi_imx->rx_buf) { int n_bytes = spi_imx->target_burst % sizeof(val); @@ -447,6 +454,9 @@ static void mx53_ecspi_tx_target(struct spi_imx_data *spi_imx) { u32 val = 0; int n_bytes = spi_imx->count % sizeof(val); +#ifdef __LITTLE_ENDIAN + unsigned int bytes_per_word; +#endif if (!n_bytes) n_bytes = sizeof(val); @@ -459,7 +469,14 @@ static void mx53_ecspi_tx_target(struct spi_imx_data *spi_imx) spi_imx->count -= n_bytes; - iowrite32be(val, spi_imx->base + MXC_CSPITXDATA); +#ifdef __LITTLE_ENDIAN + bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); + if (bytes_per_word == 1) + swab32s(&val); + else if (bytes_per_word == 2) + swahw32s(&val); +#endif + writel(val, spi_imx->base + MXC_CSPITXDATA); } /* MX51 eCSPI */ |