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dw-dma: cleanup the whole driver #1273

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Merged
lgirdwood merged 4 commits into from
Apr 18, 2019
Merged

dw-dma: cleanup the whole driver #1273

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8acabb8
dw-dma: remove unused conditional code
tlauda Apr 16, 2019
c8e30e0
dw-dma: set DMA suspend and drain stop from Kconfig
tlauda Apr 16, 2019
33ee23e
dw-dma: make DMA FIFO partitioning configurable from Kconfig
tlauda Apr 16, 2019
9388f54
dw-dma: cleanup the whole driver
tlauda Apr 16, 2019
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23 changes: 23 additions & 0 deletions Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,29 @@ config DMA_AGGREGATED_IRQ
Any platforms with DMA aggregated interrupts support
should set this.

config DMA_SUSPEND_DRAIN
bool
default n
help
Some platforms cannot just simple disable DMA
channel during the transfer, because it will
hang the whole DMA controller. Instead we can
suspend the channel and drain the FIFO in order
to stop the channel as soon as possible.

Any platforms without the ability to disable
the DMA channel right away should set this.

config DMA_FIFO_PARTITION
bool
default n
help
Some platforms require to manually set DMA
FIFO partitions before starting any transfer.

Any platforms without automatic FIFO partitions
should set this.

source "src/Kconfig"

menu "Debug"
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