This patch set implements the APM X-Gene SoC DMA driver support to offload
the DMA operations such as memory copy(memcpy), scatter gather memory copy,
raid5 xor and raid6 p+q.
v8 changes:
1. Fixed macro namespace issues.
2. Fixed tx status check issues.
v7 changes:
1. Added raid5 xor offload support.
2. Added raid6 p+q offload support.
v6 changes:
1. Maintained sw queue for pending, running, and completed
requests. Used link list as queue.
2. Fixed issue_pending and tx_submit routines.
3. Fixed prep_dma routines.
4. Fixed free_irqs.
v5 changes:
1. Minor changes in coding style.
2. Added DMA_CTRL_ACK flag initialization
v4 changes:
1. Fixed dma-ranges property on DTS.
Signed-off-by: Rameshwar Prasad Sahu <rs...@apm.com>
Signed-off-by: Loc Ho <l...@apm.com>
---
Rameshwar Prasad Sahu (3):
dmaengine: Add support for APM X-Gene SoC DMA engine driver
arm64: dts: Add APM X-Gene SoC DMA device and DMA clock DTS nodes
Documentation: dma: Add documentation for the APM X-Gene SoC DMA
device DTS binding
.../devicetree/bindings/dma/apm-xgene-dma.txt | 47 +
arch/arm64/boot/dts/apm/apm-storm.dtsi | 26 +
drivers/dma/Kconfig | 8 +
drivers/dma/Makefile | 1 +
drivers/dma/xgene-dma.c | 2090 ++++++++++++++++++++
5 files changed, 2172 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/apm-xgene-dma.txt
create mode 100755 drivers/dma/xgene-dma.c
--
1.8.2.1
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