Re: [RESEND PATCH V2 QDMA 1/1] dmaengine: amd: qdma: Add AMD QDMA driver

[Lizhi Hou]

On 7/12/23 14:19, Randy Dunlap wrote:
> Hi--
>
> On 7/12/23 09:25, Lizhi Hou wrote:
> > diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> > index 644c188d6a11..89b26e68988a 100644
> > --- a/drivers/dma/Kconfig
> > +++ b/drivers/dma/Kconfig
> > @@ -85,6 +85,19 @@ config AMCC_PPC440SPE_ADMA
> >   	help
> >   	  Enable support for the AMCC PPC440SPe RAID engines.
> >   
> > +config AMD_QDMA
> > +	tristate "AMD Queue-based DMA"
> > +	depends on HAS_IOMEM
> > +	select DMA_ENGINE
> > +	select DMA_VIRTUAL_CHANNELS
> > +	select REGMAP_MMIO
> > +	help
> > +	  Enable support for the AMD Queue-based DMA subsystem.The primary
> Need a space...                                  DMA subsystem. The primary

Oh, ok. I will fix it.


Thanks,

Lizhi

> > +	  mechanism to transfer data using the QDMA is for the QDMA engine to
> > +	  operate on instructions (descriptors) provided by the host operating
> > +	  system. Using the descriptors, the QDMA can move data in both the Host
> > +	  to Card (H2C) direction, or the Card to Host (C2H) direction.