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 --- drivers/spi/mxs_spi.c | 16 ---------------- include/configs/m28evk.h | 1 - include/configs/mx28evk.h | 1 - 3 files changed, 18 deletions(-)
NOTE: COMPILE TESTED ONLY!!! Someone please test before applying!
diff --git a/drivers/spi/mxs_spi.c b/drivers/spi/mxs_spi.c index 5a737a1..ca87180 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 1b51fe2..59a7be9 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 71447d9..6a46f3c 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