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dmaengine: List all allowed values for src/dst_addr_width in kernel doc 

Commit 93c6ee94c1 ("dma: Support for 3 bytes word size") and
commit 534a729866 ("dmaengine: Add 16 bytes, 32 bytes and 64 bytes
bus widths") added additional values for the allowed word size, but
omitted these from the struct dma_slave_config documentation.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Stefan Brüns 2017-09-12 01:44:44 +02:00 committed by Vinod Koul
parent 2bd6bf03f4
commit 3f7632e1ba
1 changed files with 1 additions and 1 deletions
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2
include/linux/dmaengine.h
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@ -329,7 +329,7 @@ enum dma_slave_buswidth {
* @src_addr_width: this is the width in bytes of the source (RX)
* register where DMA data shall be read. If the source
* is memory this may be ignored depending on architecture.
* Legal values: 1, 2, 4, 8.
* Legal values: 1, 2, 3, 4, 8, 16, 32, 64.
* @dst_addr_width: same as src_addr_width but for destination
* target (TX) mutatis mutandis.
* @src_maxburst: the maximum number of words (note: words, as in