[U-Boot] [PATCH v9 0/3] dma: add channels support

[Grygorii Strashko]

Hi Álvaro,

On 11/28/18 12:17 PM, Álvaro Fernández Rojas wrote:
> In order to add bcm6348-enet support, dma-uclass must be extended to support
> dma channels and reworked to operate like the other dm uclass (clk, reset...).
> 
> ===

Thank you for picking this up.
I, unfortunately, will be out unresponsive next few month due to personal reasons,
but hope this will be moved forward eventually.

> 
> ===
> 
> v9: Separate generic dma channels support from bmips enet support
> v8: Sync with latest u-boot.
> v7: From Grygorii Strashko:
>   - copyright fixed as suggested by Tom Rini
>   - added "Reviewed-by" tags
> v6: From Grygorii Strashko:
>   - added possibility to pass DMA driver/channel's specific data per each
>   transfer using additional parameter "metadata" in dma_send/dma_receive() API.
>   For example, port number for network packets to be directed to the
>   specific port on multi port ethernet controllers.
>   - added new dma_prepare_rcv_buf() API which allows to implement zero-copy
>   DEV_TO_MEM transfer using DMA streaming channels which is usual case
>   for Networking.
>   - added dma-uclass test
>   - removed unused function dma_get_by_index_platdata()
>   - updated comments
> v5: Fix build of ti-edma3.
> v4: No changes
> v3: Introduce changes reported by Simon Glass:
>   - Improve dma-uclass.h documentation.
>   - Switch to live tree API.
> v2: Introduce changes reported by Vignesh:
>   - Respect current dma implementation.
>   - Let dma_memcpy find a compatible dma device.
> 
> Grygorii Strashko (1):
>    test: dma: add dma-uclass test
> 
> Álvaro Fernández Rojas (2):
>    dma: move dma_ops to dma-uclass.h
>    dma: add channels support
> 
>   arch/sandbox/dts/test.dts      |   8 ++
>   configs/sandbox_defconfig      |   3 +
>   drivers/dma/Kconfig            |  14 ++
>   drivers/dma/Makefile           |   1 +
>   drivers/dma/dma-uclass.c       | 183 +++++++++++++++++++++++++-
>   drivers/dma/sandbox-dma-test.c | 282 +++++++++++++++++++++++++++++++++++++++++
>   drivers/dma/ti-edma3.c         |   2 +-
>   include/dma-uclass.h           | 128 +++++++++++++++++++
>   include/dma.h                  | 282 +++++++++++++++++++++++++++++++++++++----
>   test/dm/Makefile               |   1 +
>   test/dm/dma.c                  | 123 ++++++++++++++++++
>   11 files changed, 997 insertions(+), 30 deletions(-)
>   create mode 100644 drivers/dma/sandbox-dma-test.c
>   create mode 100644 include/dma-uclass.h
>   create mode 100644 test/dm/dma.c
> 

-- 
regards,
-grygorii