RE: [PATCH 0/4] dmaengine: dw-axi-dmac: Refactor descriptor and channel management

Sia, Jee Heng
2020-09-18T02:32:18Z

Hi Vinod, Hi Paltsev,

This patch series has been sent 2 weeks ago, but yet to receive a comment.
This patch series have been reviewed by Andy before sent out.

May I know if you have further comment on the patches?

Thanks
Regards
Jee Heng

> -----Original Message-----
> From: Sia, Jee Heng <jee.heng.sia@intel.com>
> Sent: 04 September 2020 5:52 PM
> To: dmaengine@vger.kernel.org
> Cc: vkoul@kernel.org; Eugeniy.Paltsev@synopsys.com; Shevchenko, Andriy
> <andriy.shevchenko@intel.com>; Sia, Jee Heng <jee.heng.sia@intel.com>
> Subject: [PATCH 0/4] dmaengine: dw-axi-dmac: Refactor descriptor and channel
> management
>
> The below patch series are to support AxiDMA running on Intel KeemBay SoC.
> The base driver is dw-axi-dmac but code refactoring is needed to improve the
> descriptor management by replacing Linked List Item (LLI) with virtual descriptor
> management, only allocate hardware LLI memories from DMA memory pool,
> manage DMA memory pool alloc/destroy based on channel activity and to
> support device_sync callback.
>
> Note: Intel KeemBay AxiDMA related changes and other DMA features are to be
> submitted as we need to get the fundamental changes approved first prior to
> add additional DMA features on top.
>
> This patch series are tested on Intel KeemBay platform.
>
> Sia Jee Heng (4):
> dt-bindings: dma: Add YAML schemas for dw-axi-dmac
> dmaengine: dw-axi-dmac: simplify descriptor management
> dmaengine: dw-axi-dmac: move dma_pool_create() to
> alloc_chan_resources()
> dmaengine: dw-axi-dmac: Add device_synchronize() callback
>
> .../devicetree/bindings/dma/snps,dw-axi-dmac.txt | 39 -----
> .../devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 124 ++++++++++++++
> drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 190 ++++++++++++------
> ---
> drivers/dma/dw-axi-dmac/dw-axi-dmac.h | 11 +-
> 4 files changed, 245 insertions(+), 119 deletions(-) delete mode 100644
> Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.txt
> create mode 100644 Documentation/devicetree/bindings/dma/snps,dw-axi-
> dmac.yaml
>
> --
> 1.9.1