dmaengine: hisilicon: Add Kunpeng DMA engine support

Browse source

This patch adds a driver for HiSilicon Kunpeng DMA engine. This DMA engine
which is an PCIe iEP offers 30 channels, each channel has a send queue, a
complete queue and an interrupt to help to do tasks. This DMA engine can do
memory copy between memory blocks or between memory and device buffer.

Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Zhenfa Qiu <qiuzhenfa@hisilicon.com>
Link: https://lore.kernel.org/r/1579155057-80523-1-git-send-email-wangzhou1@hisilicon.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

...

This commit is contained in:

Zhou Wang 2020-01-16 14:10:57 +08:00 • committed by Vinod Koul

parent 42d279f913

commit e9f08b6525

3 changed files with 620 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

drivers/dma/Kconfig

View file

1

drivers/dma/Makefile

View file

611

drivers/dma/hisi_dma.c

View file