dmaengine: stm32-dma: driver defers probe for reset

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Change STM32 DMA driver to defer its probe operation when reset
controller is expected but has not been probed yet when DMA
device is probed.

Changes error traces when failing to get a system resource so that
it is not printed on failure with deferred probing.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20200129153628.29329-4-amelie.delaunay@st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Etienne Carriere 2020-01-29 16:36:23 +01:00 • committed by Vinod Koul

parent 8cf1e0fc50

commit 615eee2c45

1 changed files with 11 additions and 4 deletions

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drivers/dma/stm32-dma.c

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