spi: atmel: introduce probe deferring

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Return probe defer if requesting a dma channel without a dma controller
probed.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Ludovic Desroches 2014-11-14 17:12:54 +01:00 • committed by Mark Brown

parent 7758e39069

commit 5e9af37e46

1 changed files with 16 additions and 4 deletions

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drivers/spi/spi-atmel.c

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