diff options
| author | Marek Vasut <marex@denx.de> | 2013-02-23 02:43:00 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-03-07 17:22:56 +0100 |
| commit | d3f26a27003d55ce17ca54e84799fa18b965c3dc (patch) | |
| tree | f82bce64ac12e0dfa4d7388d9b6280863962f1c0 | |
| parent | c96e78ccfe81394d87cbff855f40f5d7cd377811 (diff) | |
mxs: spi: Remove CONFIG_MXS_SPI_DMA_ENABLE
The CONFIG_MXS_SPI_DMA_ENABLE is no longer relevant as the SPI DMA
has proven to work correctly. Remove this configuration option.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>
| -rw-r--r-- | drivers/spi/mxs_spi.c | 16 | ||||
| -rw-r--r-- | include/configs/m28evk.h | 1 | ||||
| -rw-r--r-- | include/configs/mx28evk.h | 1 |
3 files changed, 0 insertions, 18 deletions
diff --git a/drivers/spi/mxs_spi.c b/drivers/spi/mxs_spi.c index b5b32dc5cc..ffa3c1d693 100644 --- a/drivers/spi/mxs_spi.c +++ b/drivers/spi/mxs_spi.c @@ -40,17 +40,6 @@ #define MXSSSP_SMALL_TRANSFER 512 -/* - * CONFIG_MXS_SPI_DMA_ENABLE: Experimental mixed PIO/DMA support for MXS SPI - * host. Use with utmost caution! - * - * Enabling this is not yet recommended since this - * still doesn't support transfers to/from unaligned - * addresses. Therefore this driver will not work - * for example with saving environment. This is - * caused by DMA alignment constraints on MXS. - */ - struct mxs_spi_slave { struct spi_slave slave; uint32_t max_khz; @@ -347,12 +336,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, char dummy; int write = 0; char *data = NULL; - -#ifdef CONFIG_MXS_SPI_DMA_ENABLE int dma = 1; -#else - int dma = 0; -#endif if (bitlen == 0) { if (flags & SPI_XFER_END) { diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h index 1b51fe2dc5..59a7be931d 100644 --- a/include/configs/m28evk.h +++ b/include/configs/m28evk.h @@ -244,7 +244,6 @@ #ifdef CONFIG_CMD_SPI #define CONFIG_HARD_SPI #define CONFIG_MXS_SPI -#define CONFIG_MXS_SPI_DMA_ENABLE #define CONFIG_SPI_HALF_DUPLEX #define CONFIG_DEFAULT_SPI_BUS 2 #define CONFIG_DEFAULT_SPI_CS 0 diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h index 71447d910e..6a46f3c08a 100644 --- a/include/configs/mx28evk.h +++ b/include/configs/mx28evk.h @@ -202,7 +202,6 @@ #ifdef CONFIG_CMD_SPI #define CONFIG_HARD_SPI #define CONFIG_MXS_SPI -#define CONFIG_MXS_SPI_DMA_ENABLE #define CONFIG_SPI_HALF_DUPLEX #define CONFIG_DEFAULT_SPI_BUS 2 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 |