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(parent: b702b9f) | patch
spi: qup: Setup DMA mode correctly
authorVaradarajan Narayanan <varada@codeaurora.org>
Fri, 28 Jul 2017 06:52:49 +0000 (12:22 +0530)
committerMark Brown <broonie@kernel.org>
Tue, 8 Aug 2017 11:15:06 +0000 (12:15 +0100)
commit32ecab999f80370e5853cb907aa053ec4d64f86f
tree8eb82d2143c9846edbeb453cabd0f798553a97bdtree | snapshot
parentb702b9fb393ed1c19ab3ecb1552757522c982746commit | diff
spi: qup: Setup DMA mode correctly

To operate in DMA mode, the buffer should be aligned and
the size of the transfer should be a multiple of block size
(for v1). And the no. of words being transferred should
be programmed in the count registers appropriately.

Signed-off-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-qup.c diff | blob | history
Domain: System / Kernel;