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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>
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@ -40,17 +40,6 @@
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#define MXSSSP_SMALL_TRANSFER 512
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#define MXSSSP_SMALL_TRANSFER 512
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/*
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* CONFIG_MXS_SPI_DMA_ENABLE: Experimental mixed PIO/DMA support for MXS SPI
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* host. Use with utmost caution!
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*
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* Enabling this is not yet recommended since this
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* still doesn't support transfers to/from unaligned
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* addresses. Therefore this driver will not work
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* for example with saving environment. This is
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* caused by DMA alignment constraints on MXS.
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*/
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struct mxs_spi_slave {
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struct mxs_spi_slave {
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struct spi_slave slave;
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struct spi_slave slave;
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uint32_t max_khz;
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uint32_t max_khz;
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@ -347,12 +336,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
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char dummy;
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char dummy;
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int write = 0;
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int write = 0;
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char *data = NULL;
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char *data = NULL;
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#ifdef CONFIG_MXS_SPI_DMA_ENABLE
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int dma = 1;
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int dma = 1;
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#else
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int dma = 0;
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#endif
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if (bitlen == 0) {
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if (bitlen == 0) {
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if (flags & SPI_XFER_END) {
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if (flags & SPI_XFER_END) {
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@ -244,7 +244,6 @@
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#ifdef CONFIG_CMD_SPI
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#ifdef CONFIG_CMD_SPI
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#define CONFIG_HARD_SPI
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#define CONFIG_HARD_SPI
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#define CONFIG_MXS_SPI
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#define CONFIG_MXS_SPI
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#define CONFIG_MXS_SPI_DMA_ENABLE
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#define CONFIG_SPI_HALF_DUPLEX
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#define CONFIG_SPI_HALF_DUPLEX
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#define CONFIG_DEFAULT_SPI_BUS 2
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#define CONFIG_DEFAULT_SPI_BUS 2
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#define CONFIG_DEFAULT_SPI_CS 0
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#define CONFIG_DEFAULT_SPI_CS 0
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@ -202,7 +202,6 @@
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#ifdef CONFIG_CMD_SPI
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#ifdef CONFIG_CMD_SPI
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#define CONFIG_HARD_SPI
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#define CONFIG_HARD_SPI
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#define CONFIG_MXS_SPI
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#define CONFIG_MXS_SPI
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#define CONFIG_MXS_SPI_DMA_ENABLE
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#define CONFIG_SPI_HALF_DUPLEX
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#define CONFIG_SPI_HALF_DUPLEX
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#define CONFIG_DEFAULT_SPI_BUS 2
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#define CONFIG_DEFAULT_SPI_BUS 2
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#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
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#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
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