Documentation: remove duplicated words
Remove many duplicated words under Documentation/ and do other small cleanups. Examples: "and and" --> "and" "in in" --> "in" "the the" --> "the" "the the" --> "to the" ... Signed-off-by: Paolo Ornati <ornati@fastwebnet.it> Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Adrian Bunk
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53cb47268e
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670e9f34ee
@@ -124,12 +124,12 @@ use a value of 8.
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The "pxa2xx_spi_chip.timeout_microsecs" fields is used to efficiently handle
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trailing bytes in the SSP receiver fifo. The correct value for this field is
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dependent on the SPI bus speed ("spi_board_info.max_speed_hz") and the specific
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slave device. Please note the the PXA2xx SSP 1 does not support trailing byte
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slave device. Please note that the PXA2xx SSP 1 does not support trailing byte
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timeouts and must busy-wait any trailing bytes.
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The "pxa2xx_spi_chip.enable_loopback" field is used to place the SSP porting
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into internal loopback mode. In this mode the SSP controller internally
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connects the SSPTX pin the the SSPRX pin. This is useful for initial setup
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connects the SSPTX pin to the SSPRX pin. This is useful for initial setup
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testing.
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The "pxa2xx_spi_chip.cs_control" field is used to point to a board specific
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@@ -208,7 +208,7 @@ DMA and PIO I/O Support
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-----------------------
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The pxa2xx_spi driver support both DMA and interrupt driven PIO message
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transfers. The driver defaults to PIO mode and DMA transfers must enabled by
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setting the "enable_dma" flag in the "pxa2xx_spi_master" structure and and
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setting the "enable_dma" flag in the "pxa2xx_spi_master" structure and
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ensuring that the "pxa2xx_spi_chip.dma_burst_size" field is non-zero. The DMA
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mode support both coherent and stream based DMA mappings.
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