spi: bcm2835: added comment about different bus behaviour of DMA mode

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The DMA mode behaves slightly different than polling or interrupt driven
mode, so just document the fact

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>

Changelog:
  V1 -> V2: applied feedback by Stefan Wahren
            new in V2
Signed-off-by: Mark Brown <broonie@kernel.org>

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Martin Sperl 2019-04-23 20:15:10 +00:00 • committed by Mark Brown

parent 7f1922eb3a

commit c41d62b06c

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1 changed files with 4 additions and 1 deletions

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drivers/spi/spi-bcm2835.c

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